Company patents
Electricite de France
Electricite de France's patent strategy reveals a strong, albeit fluctuating, commitment to solar energy, with Photovoltaic (Solar Cells) representing 28.0% of its portfolio and experiencing a significant 150.0% growth in 2025, though it has seen a 60.0% decline so far in 2026. Surprisingly, despite its core business, the company shows a notable decline in several key areas, including a 100.0% drop in Batteries & Fuel Cells and Business Methods & Fintech in 2025, indicating a shifting focus away from these previously explored domains.
Patent Trend by Technology Area
Yearly patent publications since 2023
Product themes
Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.
82 US filings (since 2023) · 12 categories · 27 themes
Methods and components for electrically connecting photovoltaic cells within a module and ensuring long-term reliability, including busbar designs, bypass diodes, and flexible module assembly techniques.
Systems that incorporate solar panels as a primary or auxiliary power source for various applications, including visual displays, remote devices, and portable battery charging, often emphasizing efficiency and adaptability.
Innovations in the physical and optical structure of photovoltaic modules, including cover plates, integrated features, and non-planar designs, to improve light absorption, aesthetics, or installation.
Methods and devices for monitoring the operational parameters of photovoltaic systems, detecting anomalies, and diagnosing specific faults like reverse connections, insulation failures, or efficiency drops, often using predictive models.
Software, algorithms, and associated hardware for monitoring, controlling, and optimizing battery performance, safety, and lifespan, including charge/discharge cycles, thermal regulation, and system integration.
Techniques and systems for precisely measuring electrical or electromagnetic properties of materials or components, often involving specialized resonators, waveguides, or multi-range measurement systems to ensure accuracy.
Integration of power converters with energy storage devices (batteries, supercapacitors) or grid interfaces, often involving AC/DC conversion, power flow management, and fault handling for hybrid power systems or specific applications like EVs or PV.
Mechanical structures and components for securely attaching photovoltaic modules to various surfaces (ground, roof, canopy) while allowing for adjustment, sealing, and integration with cleaning or support features.
Focuses on novel semiconductor materials, heterostructures, and doping profiles to improve photovoltaic conversion efficiency, stability, and spectral response.
Systems and methods for automatically removing dust, dirt, or debris from photovoltaic panel surfaces to maintain optimal energy conversion efficiency, often involving robotic or integrated mechanisms.
Power conversion and optimization circuits, such as inverters, optimizers, or charge controllers, directly integrated with individual photovoltaic modules or cells to enhance performance and manage power output.
Devices and methods for accurately measuring or monitoring electrical current draw and power usage in various systems, often for control, optimization, or safety purposes.
Design and control of power supply architectures that combine multiple power sources (e.g., AC grid, DC battery, generators) or modular battery units, often featuring switching, conversion, and redundancy for enhanced reliability and flexibility.
Valves specifically designed for managing fluid power in hydraulic or pneumatic systems, including components for pressure regulation, flow direction, and system centering.
Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.
Control systems designed to monitor, optimize, and manage energy generation, storage, distribution, and consumption within industrial facilities or interconnected power networks to improve efficiency and meet regulatory requirements.
Focuses on the structural integrity, housing, mounting, and physical integration of battery cells into robust and protected packs within electric vehicles, including manufacturing considerations.
Methods and systems for identifying anomalies, failures, or impending issues within electric motors or their associated drive and power management circuits, often by monitoring electrical or operational parameters.
Technologies for efficiently delivering power to electric vehicles, encompassing fast charging, wireless charging, and smart grid integration, alongside vehicle-side control and management of the charging process.
Processes and apparatus for disassembling spent batteries and recovering valuable materials (e.g., metals, electrolytes, plastics) through mechanical, chemical, or electrochemical methods for reuse or sustainable disposal.
Valves engineered to automatically open or close based on pressure differentials, preventing over-pressurization, controlling flow direction, or suppressing backflow in fluid systems.
Self-contained or easily transportable photovoltaic systems, often including integrated energy storage, charge controllers, and deployment mechanisms, for mobile or temporary power needs.
Methods and compositions for identifying, quantifying, or characterizing specific biological molecules (e.g., nucleic acids, proteins, metabolites, antibodies) or microbial species, often for diagnostic, prognostic, or quality control applications.
Systems and methods enabling the monitoring, configuration, and operation of industrial equipment and processes from a distance, often utilizing wireless communication protocols and networked platforms for enhanced flexibility and access.
Process and equipment for producing solid-state battery cells, including solid electrolyte synthesis (sulfide/oxide/polymer), thin-film deposition, lamination, sintering, dry-electrode fabrication, and stacking under controlled atmosphere.
Slurry compositions and coating processes for battery electrodes, including binder/active-material slurries, surface coating layers, and electrode-to-foil adhesion for cathode and anode.
Methods and systems for detecting fluid or gas leaks, or assessing the quality and continuity of seals in containers, systems, or structures. This often involves pressure changes, electrical properties, or acoustic analysis.
Patents
Showing 1-10 of 139