Lead acid battery separator and lead acid battery
US-2020365947-A1 · Nov 19, 2020 · US
Grids
Grids · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/72 |
| Official title | Grids |
| Display label | Grids |
| Total patents | 180 |
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 | 11 |
| 2016 | 13 |
| 2017 | 4 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 28 |
| 2021 | 30 |
| 2022 | 20 |
| 2023 | 21 |
| 2024 | 17 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lithium metal secondary battery using lithium metal as negative electrode active material
US-10840538-B2 · Nov 17, 2020 · US
Method for Manufacturing Flexible Battery, and Flexible Battery Manufactured Thereby
US-2020212495-A1 · Jul 2, 2020 · US
Lithium secondary battery
US-2020194798-A1 · Jun 18, 2020 · US
Use and fabrication of microscaffolds and nanoscaffolds
US-2020161662-A1 · May 21, 2020 · US
Intermittently coated dry electrode for energy storage device and method of manufacturing the same
US-2020152967-A1 · May 14, 2020 · US
Cell, battery and electronic device
US-2020044274-A1 · Feb 6, 2020 · US
Downhole mud powered battery
US-10547060-B2 · Jan 28, 2020 · US
Ultra-thin copper foil structure, collector plate, electromagnetic interference shield, copper clad laminate and printed circuit board, and method for manufacturing porous ultra-thin copper foil
US-2019382909-A1 · Dec 19, 2019 · US
Lithium secondary battery including nonaqueous electrolyte having lithium-ion conductivity
US-2019372153-A1 · Dec 5, 2019 · US
Lithium metal anode electrode
US-10483534-B2 · Nov 19, 2019 · US
All-solid-state battery
US-2019334178-A1 · Oct 31, 2019 · US
Rechargeable battery
US-2019280256-A1 · Sep 12, 2019 · US
Sealed battery
US-2019280254-A1 · Sep 12, 2019 · US
Battery structure and method of manufacturing the same
US-10381627-B2 · Aug 13, 2019 · US
Cylindrical alkaline secondary battery
US-10374260-B2 · Aug 6, 2019 · US
Current collector for a stacked battery design
US-2019190030-A1 · Jun 20, 2019 · US
Method of manufacturing lithium ion battery device and lithium ion battery device
US-2019148778-A1 · May 16, 2019 · US
Method for embedding a battery tab attachment in a self-standing electrode without current collector or binder
US-2019088929-A1 · Mar 21, 2019 · US
Method and apparatus for continuously mixing battery pastes
US-10177369-B2 · Jan 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/72?
- CPC H01M4/72 is the Cooperative Patent Classification code for “Grids.”
- How many patents are filed under CPC H01M4/72 (Grids)?
- Our database includes 180 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/72 growing?
- Publication counts under this code: 17 in 2024 vs 11 in 2025 (latest complete years).