Company patents

ELECTRIC HYDROGEN CO.

ELECTRIC HYDROGEN CO. shows a surprising shift in its patent strategy, with its core "Electrolysis & Electrochemistry" category, representing 71.4% of its portfolio, experiencing a significant decline of -86.7% so far in 2026, while "Batteries & Fuel Cells" is emerging as a key focus with a robust +33.3% growth in 2026, building on a +200.0% growth in 2025.

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.

42 US filings (since 2023) · 9 categories · 15 themes

Electrolyzer Cell Components

Design and engineering of non-catalytic parts within an electrolysis cell or stack, such as separators, gaskets, flow fields, porous transport layers, and manifold devices, to improve efficiency, sealing, or gas management.

Electrolysis & Electrochemistry
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35since 2023
+30.8%YoY
Electrolyzer Durability & Control

Methods and systems for enhancing the operational lifespan, stability, and performance management of electrolyzers, including strategies for preventing degradation, restoring activity, and regulating operating conditions.

Electrolysis & Electrochemistry
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31since 2023
+36.4%YoY
Electrochemical Chemical Synthesis

Utilization of electrochemical processes to synthesize a variety of chemical products, materials, or to treat waste streams, by selectively promoting redox reactions of specific feedstocks beyond hydrogen or CO2 reduction.

Electrolysis & Electrochemistry
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12since 2023
+200.0%YoY
High-Pressure Electrolysis Systems

Engineering solutions for safely and efficiently operating electrolysis devices at elevated pressures, including specialized sealing, pressure regulation, and system integration for high-pressure gas generation and handling.

Electrolysis & Electrochemistry
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9since 2023
0.0%YoY
Power Systems with Energy Storage & Grid Interaction

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.

Power Distribution & StoragePower Conversion (DC/AC, DC/DC)
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5since 2023
+100.0%YoY
CO2 Electroreduction Catalysts

Development of catalytic materials and membrane electrode assemblies (MEAs) specifically designed for the electrochemical reduction of carbon dioxide (CO2) or carbon monoxide (COx) into valuable chemicals or fuels.

Electrolysis & Electrochemistry
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4since 2023
0.0%YoY
Modular & Hybrid Power Supply Systems

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.

Power Distribution & Storage
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4since 2023
0.0%YoY
Advanced Power Converter Topologies

Focuses on novel circuit configurations for DC-DC, DC-AC, or AC-DC conversion, often involving resonant operation, multi-level structures, or switched capacitors to improve efficiency, power density, or voltage conversion ratios.

Power Conversion (DC/AC, DC/DC)
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4since 2023
+100.0%YoY
Gas Stream Purification

Technologies and systems for removing unwanted components or separating desired gases from a mixed gas stream, including adsorption, absorption, and membrane-based methods.

Separation Processes (Filtration, Distillation)
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3since 2023
n/a
Inverter and Drive Circuit Control

Methods and circuits for controlling the power electronic converters (inverters, bridges) that supply current and voltage to electric motors, including switching strategies, voltage command generation, and multi-phase configurations.

Motor Control
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2since 2023
new
Solid-State Battery Manufacturing

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.

Batteries & Fuel Cells
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1since 2023
new
Battery Material Recovery

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.

Batteries & Fuel Cells
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1since 2023
new
Advanced Material Characterization

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.

Electrical Measurement
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1since 2023
new
Power Consumption & Current Sensingfiltered

Devices and methods for accurately measuring or monitoring electrical current draw and power usage in various systems, often for control, optimization, or safety purposes.

Electrical Measurement
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1since 2023
new
Semiconductor Electrical Test

Techniques and apparatus for electrically testing semiconductor devices, integrated circuits, or wafers during manufacturing or post-assembly, including built-in self-test (BIST) and contact reliability assessment.

Electrical Measurement
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1since 2023
new

Patents

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