Electric vehicles (EVs) are not just a glimpse of the future—they are transforming transportation today.
With the global push for sustainability, EVs are at the heart of this movement, driving the shift toward cleaner, smarter mobility.
From advanced charging networks to breakthrough technologies, the EV charging sector is evolving at an unprecedented pace.
In this report, we spotlight the top 20 companies redefining the EV charging landscape in 2025. These leaders are innovating to enhance accessibility, boost efficiency, and power the future of transportation.
Curious to explore the latest trends in sustainable tech? Discover more insights here.
Let’s dive into the companies electrifying the roads of tomorrow.
#1 AUDI AG
Headquarters: Ingolstadt, Germany
Audi is a leading German automobile manufacturer known for luxury vehicles, innovative technology, and progressive design.
Key Patents in Electric Vehicle Charging Infrastructure
Electric Vehicle, Charging Station And Operating Method (US2023322116A1)
A method for simplifying and improving the charging experience of electric vehicles at public charging stations.
The method involves the charging station automatically sending a status update to an approaching EV when it enters the charging station area.
The update is displayed on the EV’s infotainment screen and prompts the driver to request charging. If the driver agrees, the EV is added to the waiting list.
This provides transparency about availability and avoids conflicts. If the driver declines, the EV doesn’t join the queue.
The station can also notify waiting EVs if a charging slot becomes free. This prevents vehicles camping out.
Automatic Releasing Of A Charging Station For Electric Vehicles (US2023242156A1)
A method for charging an electric vehicle is provided, which includes a charging station charging an electric vehicle connected to the charging station and situated at a charging location of the charging station.
A related system for charging an electric vehicle is also provided.
A method for operating an arrangement comprising a charging station and a motor vehicle, an arrangement comprising a charging station and a motor vehicle, and a method for operating a motor vehicle and a method for operating a charging station (DE102020106343A1)
Enabling an electric vehicle (EV) to provide backup power to a charging station and grid during power outages. If the charging station loses power, the EV detects the lack of communication with the station and connects its battery to the charging point.
This provides power to the station and grid through the EV’s inverter. The EV disconnects when current or power limits are reached, or communication resumes.
This allows the charging station to keep functioning during power outages by leveraging the EV’s stored energy.
Method for operating a charging infrastructure arrangement and corresponding charging infrastructure arrangement (DE102020133254A1)
Operating charging infrastructure for electric vehicles that provides efficient charging and cost optimization by dynamically adjusting charging parameters based on factors like location, station utilization, and electricity prices.
The method involves determining a target charging output for the grid, transmitting a cost signal to the vehicle, receiving a charging profile, aggregating loading profiles, and using categories and parameters to optimize charging behavior.
The charging infrastructure also uses the charging profiles to plan routes, limit speeds, and control recuperative braking.
#2 Siemens Mobility Ltd
Headquarters: Munich, Germany
Siemens Mobility provides sustainable and efficient transport solutions, specializing in rail automation and intelligent traffic systems.
Key Patents in Electric Vehicle Charging Infrastructure
Electric vehicle charging system (GB2603739A)
An electric vehicle charging system and method of charging an electric vehicle are disclosed.
The electric vehicle charging system is formed of a distributed system comprising a central control module housing communications, user authentication and energy metering devices and a local charging module housing at least one outlet connector for connecting to an electric vehicle.
Electric vehicle charging system (GB2603440A)
An electric vehicle charging system and method of charging an electric vehicle are disclosed.
The electric vehicle charging system is formed of a distributed system comprising a central control module housing communication, user authentication and metering devices and a local charging module housing at least two outlet connectors for connecting to an electric vehicle.
The method of charging briefly comprises using a cyclical variation in charge between each of two vehicles connected to the local charging module.
Distributed electric vehicle charging system (GB2597742A)
Distributed electric vehicle charging system that allows remote charging of electric vehicles in locations like on-street parking where dedicated chargers cannot be installed.
The system uses a central control module connected to the power grid and local charging modules placed remotely.
The modules communicate with the central control over a network to authenticate charging sessions.
The central switch closes to send power over the local feed when authorized. The local controller activates the local switch to connect to the vehicle.
This enables remote charging without modifying street lighting or needing bulky street chargers.
#3 Honda Motor Co., Ltd.
Headquarters: Tokyo, Japan
Honda is a multinational conglomerate known for manufacturing automobiles, motorcycles, and power equipment, emphasizing innovation and sustainability.
Key Patents in Electric Vehicle Charging Infrastructure
Cooperative Automotive Mobile Charging Infrastructure (US2020353831A1)
A cooperative mobile charging infrastructure for electric vehicles and personal transport devices that allows EV owners to provide charging to electric bikes and scooters using their own vehicles.
The system involves EV owners notifying a central service when they’re available to provide mobile charging, and a user requests mobile charging for their personal device.
The service matches an available EV owner’s location with the requesting user’s location, and provides that EV’s location to the user.
The user then goes to that EV to connect their device for charging. The EV owner provides the charging using their auxiliary port and cable.
V1G or V2G selection (US11173804B2)
Adjusting electric vehicle (EV) charging timing, power, or location in coordination with the electrical grid (V1G) or vehicle to grid bidirectional power flow (V2G) selection.
The method involves receiving an EV charging preference profile, determining when the EV is present, and selectively using V1G or V2G charging based on the preference and other factors like battery cycle count and upcoming trip time.
Electric Vehicle (Ev) Charging Station Management (US2021049519A1)
EV charging station management involves handling reservation requests for multiple EVs, monitoring their locations and estimated arrival times, and dynamically updating reservations to optimize charging availability.
Charging is enabled or disabled based on the updated reservation.
#4 GM Global Technology Operations LLC
Headquarters: Detroit, Michigan, USA
A subsidiary of General Motors, focusing on global engineering, design, and technology development for automotive advancements.
Key Patents in Electric Vehicle Charging Infrastructure
Power distribution system including a remote controllable power outlet and mobile electric vehicle charger with an actuatable grid connection mechanism (DE102021130244A1)
A power distribution system includes a charging station, multiple power outlet assemblies, and at least one power line.
The charging station contains a charging station control module. The plurality of AC outlet assemblies are operable to provide power to a vehicle.
The at least one power line electrically connects the charging station to each of the plurality of power outlet assemblies.
The charging station is configured to supply power to any one of the plurality of power outlet assemblies via the at least one power line.
System And Method For Charging An Electric Vehicle From Another Electric Vehicle (DE102022126705A1)
Vehicle-to-vehicle (V2V) electric vehicle charging system using real-time communication between vehicles to enable peer-to-peer charging.
A central server coordinates the process by providing real-time vehicle locations. A requesting vehicle sends a charging request to other vehicles.
An offering vehicle responds with an acceptance. The vehicles then connect physically to transfer charge.
#5 ABB Schweiz AG
Headquarters: Zurich, Switzerland
ABB is a global technology company specializing in electrification, automation, and robotics, driving industrial transformation.
Key Patents in Electric Vehicle Charging Infrastructure
Charging Of Electric Vehicles (WO2022013149A1)
Method and system to prevent grid overload when charging electric vehicles at a station with onboard energy storage.
The charging station has multiple charging points and an onboard energy storage system. Before each vehicle charge, the station informs the storage system that a vehicle is approaching.
The storage system then ramps down charging from the grid to avoid feeding back excess power. This prevents grid overload since the vehicle will draw power directly from the station rather than the grid.
The station can also manage charging budgets and reactive compensation to avoid overloading the grid.
Electric vehicle charging arrangement for charging an electric vehicle (DE202019105511U1)
Electric vehicle charging arrangement that reduces electromagnetic compatibility (EMC) emissions during charging.
The charging station has multiple power supply stages to convert AC to DC for charging. The charging cable has a heavy current protective line as ground, parallel high current power supply lines, and an electromagnetic shield surrounding them.
This shielded cable configuration significantly reduces EMC emissions compared to unshielded DC cables used in charging stations today.
#6 Enel X Way SRL
Headquarters: Rome, Italy
Enel X Way focuses on innovative energy solutions, including electric vehicle charging infrastructure and smart energy management.
Key Patents in Electric Vehicle Charging Infrastructure
Techniques For Charging Electric Vehicles For Ridesharing (WO2023148620A1)
Optimizing electric vehicle (EV) charging to enhance benefits like lower costs, faster charge times, reduced emissions, and better user experiences by analyzing ridesharing characteristics.
The system communicates with EVs using a protocol to receive trip details like SOC and location.
Based on this, it selectively transmits the optimal charging location between two stations to the EV.
This leverages ridesharing patterns to prioritize charging stations that align with the trip needs.
Techniques For Balancing An Electric Load Of A System By Estimating Power Losses Of Dc Charging Stations Of The System (WO2023170604A1)
This disclosure discusses systems, methods, and techniques for charging a plurality of electric vehicles (EVs).
In one aspect, a system may include a plurality of electric vehicle supply equipment (EVSE), and the EVSEs are coupled between a power grid and the EVs.
The system may also include a plurality of power meters, and a respective power meter may measure an amount of power received from a respective EV.
The system may determine an instance of communication connectivity between the system and the EVs. After establishing communication, the system may communicate with the EVs using any communication protocol and/or standard.
#7 Dr Ing. HCF Porsche AG
Headquarters: Stuttgart, Germany
Porsche is a German automobile manufacturer specializing in high-performance sports cars, SUVs, and sedans.
Key Patents in Electric Vehicle Charging Infrastructure
Multi-charging station with at least two charging controls for an electric vehicle (DE102019102281A1)
Multi-standard electric vehicle (EV) charging station with multiple charging plugs for charging EVs with different standards.
The station has a separate charging control for each plug. When an EV connects to a plug, the corresponding control handles charging according to the EV’s standard.
The other plugs are deactivated. This allows charging multiple EVs with different standards simultaneously without conflicts. The controls coordinate via a bus.
The station can also disable unused plugs when a vehicle removes its plug or based on charging standard.
Method And Charging Station For Load Management With Fall-Back Solution (US2021178925A1)
Method for charging stations to efficiently manage charging power distribution between multiple points, while ensuring supply in case of faults.
The method involves dynamically allocating transformer power between charging points using algorithms based on factors like customer contracts, priority, and network conditions.
But if the charging station itself faults, it switches to a static mode that equally distributes power.
This fallback ensures continued charging even if the load management system fails.
#8 Rivian IP Holdings LLC
Headquarters: Irvine, California, USA
Rivian is an American electric vehicle automaker and automotive technology company focusing on adventure-oriented vehicles.
Key Patents in Electric Vehicle Charging Infrastructure
Electric Vehicle Fleet Charging Station And Procedure (DE102021110589A1)
Charging system for electric vehicles that enables charging of large numbers of vehicles in areas with many vehicles, like fleets or multi-story parking lots.
The system uses central control cabinets with isolated power modules to provide high power charging. Dispenser chains are connected to the modules.
Each chain can have multiple dispensers. Vehicles connect to a specific dispenser in the chain. A control hub in the cabinet coordinates charging by selectively supplying power to individual dispensers based on vehicle identifiers.
This allows charging multiple vehicles concurrently from a single cabinet without needing a dispenser for each vehicle.
Power Sharing System And Method Of A Charging Station (DE102021125100A1)
Various disclosed embodiments include illustrative charging systems, charging stations, methods of charging a vehicle, and methods of providing charging power to a vehicle. In various embodiments, an illustrative electric vehicle charging system includes a wiring closet having at least two direct current (DC) power outlets.
#9 Siemens AG
Headquarters: Munich, Germany
Siemens is a global conglomerate specializing in electrification, automation, and digitalization across various industries.
Key Patents in Electric Vehicle Charging Infrastructure
Electric charging infrastructure and procedures for operating an electric charging infrastructure (DE102019217829A1)
The invention describes an electrical charging infrastructure for mobile energy storage devices. It includes interfaces to supply and charging networks, with a control section managing power flow.
A network regulator releases power, a balancing device adjusts it, and a distribution device allocates the load to charging interfaces within the network.
Charging system, load distribution device and method for charging vehicle batteries (DE102019204337A1)
The invention introduces a method and system for simultaneously charging multiple EV batteries. It includes a mains connection, control unit, charging outlets, and vehicle interfaces to manage charging currents.
The system connects directly to a medium-voltage grid, enabling efficient load distribution for fleet charging.
Charging schedules prevent peak loads, optimize power usage, and meet vehicle charging needs without exceeding grid capacity, avoiding costly network expansions.
#10 Huawei Digital Power Technologies Co., Ltd.
Headquarters: Shenzhen, China
A subsidiary of Huawei, focusing on digital power solutions, including data center energy, solar power, and electric vehicle charging.
Key Patents in Electric Vehicle Charging Infrastructure
Charging Method, Charging Apparatus, And Charging System (EP4138261A1)
Charging system with flexible power sharing between charging stations to improve utilization and reduce costs.
The system allows charging stations to share power between stations and parking spaces. It involves connecting output ports of charging stations together, creating a network of charging stations.
If a station needs more power than its local output can provide, it can request power from another station over the network.
This allows stations to dynamically balance power demands and improve overall utilization.
Charging Control Method, Charging System, And Related Device (EP4124500A1)
The application introduces a charging control method and system to minimize the impact of EV charging on the power grid while enhancing user experience.
When a vehicle connects to a charging pile, the system communicates with a rectification device to determine energy sources.
If campus electricity load exceeds a set threshold, an energy storage device supplies power for charging. This approach ensures efficient energy use and grid stability during EV charging.
#11 Innogy eMobility Solutions GmbH
Headquarters: Essen, Germany
Innogy eMobility provides comprehensive electric vehicle charging solutions, including hardware and software services.
Key Patents in Electric Vehicle Charging Infrastructure
Charging Station For Charging Electric Vehicles (WO2020229088A1)
The invention relates to a charging station (100, 200) for charging electric vehicles (108, 208), comprising at least one first data interface (114, 214), designed to communicate with a control unit (242) of a home automation system (230).
And at least one second data interface (120, 220) that can be connected to the first data interface (114, 214) and is designed to communicate with at least one building-side electric load (240.1, 240.2) according to at least one home automation protocol.
AC charging station for charging electric vehicles (DE102019122922A1)
Enhancing grid stability in electrical distribution networks with a networked charging infrastructure. Charging stations and regenerative energy sources communicate network status to each other.
Charging stations use this data to dynamically regulate charging power based on grid conditions.
Regenerative sources send network status to nearby charging stations to enable them to adjust charging accordingly.
This allows charging stations to stabilize the grid by coordinating charging levels based on real-time network conditions received from nearby renewable sources.
#12 The Toronto-Dominion Bank
Headquarters: Toronto, Ontario, Canada
Commonly known as TD Bank, it is a leading Canadian multinational banking and financial services corporation.
Key Patents in Electric Vehicle Charging Infrastructure
Electric Vehicle Charger And Related Methods (CA3044622A1)
Charging electric vehicles without initiating power supply before authorizing payment.
The method involves identifying the payment method associated with the EV when it connects to the charger using powerline communication.
The charger then authorizes the payment method with the payment network before supplying power. This allows charging without immediate power delivery until payment is confirmed.
Electric Vehicle Charger And Related Methods (US2020380477A1)
Electric vehicle charger that authorizes payment methods using the charging connectors themselves instead of separate communication devices.
The charger communicates with the EV over the charging wires to identify the payment method associated with the EV.
It then communicates with a payment network to authorize the method before supplying power.
This eliminates the need for separate payment devices at the charger or in the EV. The charger initially supplies a low power level for communication before charging begins.
#13 Green Motion SA
Headquarters: Lausanne, Switzerland
Green Motion is a Swiss company specializing in the development and production of charging systems for electric vehicles.
Key Patent in Electric Vehicle Charging Infrastructure
Electrical vehicle charging station with power management (US11865942B2)
The invention concerns an electrical vehicle charging station for at least one electric vehicle in a network including at least a house, energy producers, and energy consumers.
#14 Acton Inc
Headquarters: Los Angeles, California, USA
Acton Inc designs and manufactures smart, connected micro-mobility solutions, including electric skateboards and scooters.
Key Patent in Electric Vehicle Charging Infrastructure
Ev Charging Station (US2022305928A1)
An EV charging station includes a charging source providing an electrical charge, and is configured to be coupled to the charging station or included with the charging station.
A charging interface and a communication link are provided. An on-line connector provided charging, locking and communication of the EV, the charging station configured to be coupled to an EV including an EV charging adapter.
#15 TZI Mühendislik Arge Danışmanlık Anonim Şirketi
Headquarters: Istanbul, Turkey
TZI specializes in engineering, research, and consultancy services, focusing on innovative technological solutions.
Key Patent in Electric Vehicle Charging Infrastructure
Mobile Electric Vehicle Charging Station (TR202020573U4)
This invention is a charging station that allows electric vehicles produced to prevent the rapid depletion of energy resources while driving, and allows the charging of autonomous or user hybrid vehicles with different energy storage and use capability. system.
#16 Hindusthan College of Engineering and Technology
Headquarters: Coimbatore, India
A premier institution offering undergraduate and postgraduate engineering and technology courses, fostering innovation and technical excellence.
Key Patent in Electric Vehicle Charging Infrastructure
Battery Management System For E-Vehicle Using Solar Power (IN202241024394A)
An electric vehicle charging station, also called EV charging station,-electric recharging point, charging point, charge point, electronic charging station (ECS), and electric vehicle supply equipment (EVSE).
It is an element in an infrastructure that supplies electric energy for the recharging of plug-in electric vehicles—including electric cars, neighborhood electric vehicles and plug-in hybrids.
For charging at home or work, some electric vehicles have converters on board that can plug into a standard electrical outlet or a high-capacity appliance outlet.
#17 Université Internationale de Rabat
Headquarters: Rabat, Morocco
A leading Moroccan university focused on multidisciplinary research, innovation, and global academic partnerships.
Key Patent in Electric Vehicle Charging Infrastructure
Multiport Aggregator For One-Way And Two-Way Dc And Ac Charging Stations (WO2022260504A1)
Multiport aggregator for optimizing charging latency and maximizing availability of charging stations for electric vehicles and vehicles with removable batteries.
The aggregator connects multiple charging stations to multiple vehicles and manages their charging and discharging to improve efficiency and capacity utilization.
It coordinates queuing, balancing, and load shifting between the vehicles and stations to optimize utilization of the charging infrastructure.
#18 Telent GmbH
Headquarters: Backnang, Germany
Telent GmbH provides communication and digitization solutions for critical infrastructure, emphasizing smart technologies and network integration.
Key Patent in Electric Vehicle Charging Infrastructure
Load Management In A Low Voltage Network (EP3689666A1)
The invention relates to a method for controlling charging points for electric vehicles in a low-voltage network, where end users and charging points are connected to the low-voltage network.
And where the end users and charging points are connected to a house transfer point and / or a measuring point, and the charging points are assigned to a virtual power node become.
#19 Lancium LLC
Headquarters: Houston, Texas, USA
Lancium develops energy-efficient cloud computing solutions powered by renewable energy sources, targeting sustainable technology development.
Key Patent in Electric Vehicle Charging Infrastructure
Behind-the-Meter Charging Station with Availability Notification (US2020274388A1)
A system includes a behind-the-meter vehicle charging station. The vehicle charging station includes a vehicle-charging interface configured to supply the vehicle-charging power to a vehicle.
The vehicle charging station further includes a communication unit configured to trigger a notification in response to a change in power availability.
Additionally, the system includes a control system configured to modulate power delivery to the behind-the-meter charging station based on one or more monitored power system conditions or an operational directive.
#20 TROJAN ENERGY LTD
Headquarters: Aberdeen, Scotland.
Trojan Energy was formed in 2016 with one mission: to ensure everyone benefits from the energy transition.
Making the switch to electric vehicles should be easy for everyone. But for households without a driveway, charging an EV can be expensive, unreliable and inconvenient.
Key Patent in Electric Vehicle Charging Infrastructure
Apparatus And System For Connecting Electric Vehicles To An Electrical Network And Method Of Use (WO2022208068A1)
Electric vehicle charging system for homes that allows residents to charge their EVs from their own electricity supply but also share the charging point with other EV users.
The system has a charge connector located on the street for public use, connected by a cable to a property-based charge point unit.
The unit controls power transmission to vehicles connected to the street connector. This allows residents to charge their EVs privately using their own supply, but also share the street connector with authorized third-party users.
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Looking Ahead
The future of EV charging infrastructure is accelerating rapidly. Established players and emerging innovators are redefining how we power vehicles, addressing the critical need for accessible, efficient, and eco-friendly solutions.
The race to enable seamless EV adoption while tackling grid challenges and cost barriers has never been more intense.
As technology evolves, expect breakthroughs in fast-charging capabilities, energy storage, and integration with renewable sources.
From ultra-fast chargers to intelligent grid solutions, the EV charging industry is undergoing a monumental shift.
However, navigating this dynamic landscape filled with emerging technologies and innovative solutions can feel overwhelming.
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