Membrane electrode assembly, laminating method, electrochemical cell, stack, and electrolyzer
US-2024093392-A1 · Mar 21, 2024 · US
consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25B11/091 |
| Official title | consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds |
| Display label | consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds |
| Total patents | 737 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 34 |
| 2017 | 35 |
| 2018 | 42 |
| 2019 | 44 |
| 2020 | 58 |
| 2021 | 61 |
| 2022 | 83 |
| 2023 | 89 |
| 2024 | 102 |
| 2025 | 132 |
| 2026 | 28 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for improving solar energy conversion efficiency of semiconductor metal oxide photocatalysis using h2/n2 mixed gas plasma treatment
US-2016376716-A1 · Dec 29, 2016 · US
Photo-electrochemical cell, manufacturing method of photo-electrochemical cell, and photo-electrochemical reaction device
US-2016372271-A1 · Dec 22, 2016 · US
Hematite-based photoanodes with manganese, cobalt, and nickel additives
US-2016355935-A1 · Dec 8, 2016 · US
Photoelectrochemical devices, methods, and systems with a cupric oxide/cuprous oxide coated electrode
US-2016348256-A1 · Dec 1, 2016 · US
Method for producing photoelectrode
US-2016333485-A1 · Nov 17, 2016 · US
Electrochemical method of producing hydrogen peroxide using a titanium oxide nanotube catalyst
US-2016298245-A1 · Oct 13, 2016 · US
Organic hydride conversion device
US-9458544-B2 · Oct 4, 2016 · US
Electrochemical cell containing a graphene coated electrode
US-2016251765-A1 · Sep 1, 2016 · US
Anode for oxygen generation and manufacturing method for the same
US-2016244888-A1 · Aug 25, 2016 · US
Hydrogen evolution reaction catalyst
US-2016222530-A1 · Aug 4, 2016 · US
Catalysts and methods of use
US-9403154-B2 · Aug 2, 2016 · US
Nanostructured photocatalysts and doped wide-bandgap semiconductors
US-2016193595-A1 · Jul 7, 2016 · US
Manufacturing Method of Titanium Oxide Electrode, Active Oxygen Species Production System Including Same, Chlorine Production System, Dye-Sensitised Solar Cell and Electric Double-Layer Capacitor
US-2016168743-A1 · Jun 16, 2016 · US
Nanoporous materials for reducing the overpotential of creating hydrogen by water electrolysis
US-9365939-B2 · Jun 14, 2016 · US
Self-improving electrocatalysts for gas evolution reactions
US-2016153098-A1 · Jun 2, 2016 · US
Electrode composition, apparatus and method for removing nitrogen oxide
US-2016122886-A1 · May 5, 2016 · US
NanoTin Catalysts for Electrochemical Reduction of Carbon Dioxide to Formate
US-2016097136-A1 · Apr 7, 2016 · US
Photocatalyst material and photocatalyst device
US-2016093448-A1 · Mar 31, 2016 · US
Light absorbing layer for photoelectrode structure, photoelectrode structure including the same, and photoelectrochemical cell including the photoelectrode structure
US-9290852-B2 · Mar 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B11/091?
- CPC C25B11/091 is the Cooperative Patent Classification code for “consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds.”
- How many patents are filed under CPC C25B11/091 (consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds)?
- Our database includes 737 publications tagged with this CPC code.
- Is patent activity under CPC C25B11/091 growing?
- Publication counts under this code: 102 in 2024 vs 132 in 2025 (latest complete years).