Rechargeable alkaline battery comprising metal hydroxide separator
US-12482807-B2 · Nov 25, 2025 · US
Pressing
Pressing · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/30 |
| Official title | Pressing |
| Display label | Pressing |
| Total patents | 37 |
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 | 3 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Secondary zinc-manganese dioxide batteries for high power applications
US-11996546-B2 · May 28, 2024 · US
Fabrication process to make electrodes by rolling
US-11936030-B2 · Mar 19, 2024 · US
All-solid-state battery and method of manufacturing the same
US-2023411667-A1 · Dec 21, 2023 · US
Zinc electrode improvements
US-11670759-B2 · Jun 6, 2023 · US
Energy storage device, method for manufacturing the same and energy storage apparatus
US-2023155180-A1 · May 18, 2023 · US
Coating on nickelate cathode materials
US-11611072-B2 · Mar 21, 2023 · US
Fabrication process to make electrodes by rolling
US-2022173370-A1 · Jun 2, 2022 · US
Zinc electrode improvements
US-2021344001-A1 · Nov 4, 2021 · US
Zinc electrode improvements
US-11069889-B2 · Jul 20, 2021 · US
Zinc electrode improvements
US-2021020916-A1 · Jan 21, 2021 · US
Secondary zinc-manganese dioxide batteries for high power applications
US-2020388828-A1 · Dec 10, 2020 · US
Coating on nickelate cathode materials
US-2020328411-A1 · Oct 15, 2020 · US
Electrode thin film and method for manufacturing the same
US-10777332-B2 · Sep 15, 2020 · US
Zinc electrodes for batteries
US-10763500-B2 · Sep 1, 2020 · US
Nickel-zinc battery
US-10734685-B2 · Aug 4, 2020 · US
Alkaline dry battery
US-10516173-B2 · Dec 24, 2019 · US
Nickel-zinc battery
US-2019173132-A1 · Jun 6, 2019 · US
Rechargeable battery module
US-10283750-B2 · May 7, 2019 · US
Mixed material cathode for secondary alkaline batteries
US-10276860-B2 · Apr 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/30?
- CPC H01M4/30 is the Cooperative Patent Classification code for “Pressing.”
- How many patents are filed under CPC H01M4/30 (Pressing)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/30 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).