Two-dimensional amorphous carbon coating and methods of growing and differentiating stem cells
US-12264070-B2 · Apr 1, 2025 · US
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Raney-type electrodes
Raney-type electrodes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/98 |
| Official title | Raney-type electrodes |
| Display label | Raney-type electrodes |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pt—Ni—Ir catalyst for fuel cell
US-11936050-B2 · Mar 19, 2024 · US
Metal-hydrogen batteries for large-scale energy storage
US-11855294-B2 · Dec 26, 2023 · US
CO2 based and hydrogen based compounds for redox flow battery
US-11682785-B1 · Jun 20, 2023 · US
Pt-ni-ir catalyst for fuel cell
US-2022115675-A1 · Apr 14, 2022 · US
Pt—Ni—Ir catalyst for fuel cell
US-11258074-B2 · Feb 22, 2022 · US
Method for preparing a catalytic material of an electrode for electrochemical reduction reactions prepared by electroreduction
US-2022018033-A1 · Jan 20, 2022 · US
Two-dimensional amorphous carbon coating and methods of growing and differentiating stem cells
US-11192788-B2 · Dec 7, 2021 · US
Nanoporous oxygen reduction catalyst material
US-11196055-B2 · Dec 7, 2021 · US
Method for making nanoporous nickel composite material
US-11158843-B2 · Oct 26, 2021 · US
Proton conductive two-dimensional amorphous carbon film for gas membrane and fuel cell applications
US-11114674-B2 · Sep 7, 2021 · US
Two-dimensional amorphous carbon coating and methods of growing and differentiating stem cells
US-2021017026-A1 · Jan 21, 2021 · US
Method for making nanoporous nickel composite material
US-2020321602-A1 · Oct 8, 2020 · US
Pt-ni-ir catalyst for fuel cell
US-2019280309-A1 · Sep 12, 2019 · US
Pt-ni-ir catalyst for fuel cell
US-2019273265-A1 · Sep 5, 2019 · US
Catalyst
US-2019260035-A1 · Aug 22, 2019 · US
Flexible and implantable glucose fuel cell
US-10297835-B2 · May 21, 2019 · US
Metal-hydrogen batteries for large-scale energy storage
US-2019051907-A1 · Feb 14, 2019 · US
Proton conductive two-dimensional amorphous carbon film for gas membrane and fuel cell applications
US-2018337411-A1 · Nov 22, 2018 · US
Two-dimensional amorphous carbon coating and methods of growing and differentiating stem cells
US-2018244524-A1 · Aug 30, 2018 · US