Dry-particle based adhesive and dry film and methods of making same
US-9525168-B2 · Dec 20, 2016 · US
Electrically conductive fillers
Electrically conductive fillers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/8673 |
| Official title | {Electrically conductive fillers} |
| Display label | Electrically conductive fillers |
| Total patents | 480 |
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 | 32 |
| 2016 | 44 |
| 2017 | 33 |
| 2018 | 49 |
| 2019 | 31 |
| 2020 | 46 |
| 2021 | 67 |
| 2022 | 55 |
| 2023 | 55 |
| 2024 | 34 |
| 2025 | 27 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of forming nitrogen-doped porous graphene envelope
US-2016346769-A1 · Dec 1, 2016 · US
Fuel cell stack assembly and method of assembly
US-2016329586-A1 · Nov 10, 2016 · US
Conductive film, fuel cell-use gas diffusion layer, fuel cell-use catalyst layer, fuel cell-use electrode, fuel cell-use membrane-electrode assembly, and fuel cell
US-2016315331-A1 · Oct 27, 2016 · US
Electroactive materials for rechargeable batteries
US-9478794-B2 · Oct 25, 2016 · US
Electrochemical cell and membranes related thereto
US-9472817-B2 · Oct 18, 2016 · US
Method for producing fuel cell electrode
US-2016301083-A1 · Oct 13, 2016 · US
Process for producing carbon substrates loaded with metal oxides and carbon substrates produced in this way
US-9463435-B2 · Oct 11, 2016 · US
Electrode material, redox flow battery electrode, redox flow battery, and method for producing electrode material
US-2016293970-A1 · Oct 6, 2016 · US
Cathode material for lithium—oxygen battery
US-9450278-B2 · Sep 20, 2016 · US
Rejuvenation of automotive fuel cells
US-9425461-B2 · Aug 23, 2016 · US
Process for producing carbon substrates loaded with metal oxides and carbon substrates produced in this way
US-9421518-B2 · Aug 23, 2016 · US
Carbon powder for catalyst, catalyst, electrode catalyst layer, membrane electrode assembly, and fuel cell using the carbon powder
US-2016233520-A1 · Aug 11, 2016 · US
Fuel cell
US-2016233526-A1 · Aug 11, 2016 · US
Electroactive polymers, manufacturing process thereof, electrode and use thereof
US-2016233509-A1 · Aug 11, 2016 · US
Fuel cell electrode having non-ionomer proton-conducting material
US-2016226074-A1 · Aug 4, 2016 · US
Conductive porous layer for batteries and fabrication method for same
US-9406940-B2 · Aug 2, 2016 · US
Mixed-metal oxide catalyst layer with sacrificial material
US-2016204442-A1 · Jul 14, 2016 · US
Positive electrode for lithium-air battery and method for preparing the same
US-2016190606-A1 · Jun 30, 2016 · US
Filtration-Active Fuel Cell
US-2016190627-A1 · Jun 30, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/8673?
- CPC H01M4/8673 is the Cooperative Patent Classification code for “Electrically conductive fillers.”
- How many patents are filed under CPC H01M4/8673 (Electrically conductive fillers)?
- Our database includes 480 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/8673 growing?
- Publication counts under this code: 34 in 2024 vs 27 in 2025 (latest complete years).