Cell assembly for controlled guiding of reactive fluids
US-2024282978-A1 · Aug 22, 2024 · US
Extrusion
Extrusion · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/8864 |
| Official title | {Extrusion} |
| Display label | Extrusion |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Co-extruded negative electrode spacer
US-2024186556-A1 · Jun 6, 2024 · US
Apparatus and method for forming a multilayer extrusion comprising component layers of an electrochemical cell
US-11909083-B2 · Feb 20, 2024 · US
Direct methane fueled thin film SOFC technology
US-11894563-B2 · Feb 6, 2024 · US
All-solid-state battery comprising symmetrically arranged reference electrodes, device for producing the same, and manufacturing method using the device
US-2023207866-A1 · Jun 29, 2023 · US
Direct methane fueled thin film sofc technology
US-2022209247-A1 · Jun 30, 2022 · US
Gas diffusion electrode substrate and method for producing gas diffusion electrode substrate
US-11329293-B2 · May 10, 2022 · US
Metal single-atom catalyst and method for preparing the same
US-11173481-B2 · Nov 16, 2021 · US
Manufacturing apparatus of membrane electrode assembly with excellent mass transfer characteristics and durability, and manufacturing method using the same
US-11139499-B2 · Oct 5, 2021 · US
Gas diffusion electrode substrate and method for producing gas diffusion electrode substrate
US-2021305584-A1 · Sep 30, 2021 · US
Method and apparatus for manufacturing membrane electrode assembly
US-11088378-B2 · Aug 10, 2021 · US
Dual fiber electrode mats for batteries and applications of same
US-2020287229-A1 · Sep 10, 2020 · US
Fabrication method for micro-tubular solid oxide cells
US-10734656-B2 · Aug 4, 2020 · US
Metal single-atom catalyst and method for preparing the same
US-2020230589-A1 · Jul 23, 2020 · US
Apparatus and method for forming a multilayer extrusion comprising component layers of an electrochemical cell
US-2020212466-A1 · Jul 2, 2020 · US
Manufacturing apparatus of membrane electrode assembly with excellent mass transfer characteristics and durability, and manufacturing method using the same
US-2019372143-A1 · Dec 5, 2019 · US
Method and apparatus for manufacturing membrane electrode assembly
US-2019305349-A1 · Oct 3, 2019 · US
Nanofiber electrode and method of forming same
US-2018138519-A1 · May 17, 2018 · US
Nanofiber electrode and method of forming same
US-9905870-B2 · Feb 27, 2018 · US
Fabrication Method For Micro-Tubular Solid Oxide Cells
US-2018053947-A1 · Feb 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/8864?
- CPC H01M4/8864 is the Cooperative Patent Classification code for “Extrusion.”
- How many patents are filed under CPC H01M4/8864 (Extrusion)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/8864 growing?
- Publication counts under this code: 1 in 2023 vs 4 in 2024 (latest complete years).