Bipolar electrode, bipolar battery, and method for manufacturing bipolar electrode
US-2026100404-A1 · Apr 9, 2026 · US
Multi-step processes for manufacturing carriers for lead-acid accumulators
Multi-step processes for manufacturing carriers for lead-acid accumulators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/82 |
| Official title | Multi-step processes for manufacturing carriers for lead-acid accumulators |
| Display label | Multi-step processes for manufacturing carriers for lead-acid accumulators |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Current collector patterning for enhanced adhesion
US-12451494-B2 · Oct 21, 2025 · US
Battery cell and manufacturing method therefor, battery, and electrical device
US-2025246639-A1 · Jul 31, 2025 · US
Manufacturing method of power storage device
US-12261304-B2 · Mar 25, 2025 · US
Battery grid with varied corrosion resistance
US-12132209-B2 · Oct 29, 2024 · US
Acid battery pasting carrier
US-12074329-B2 · Aug 27, 2024 · US
Battery and method for manufacturing battery
US-2024222647-A1 · Jul 4, 2024 · US
Current collector patterning for enhanced adhesion
US-2024030458-A1 · Jan 25, 2024 · US
Manufacturing method of power storage device
US-2024030459-A1 · Jan 25, 2024 · US
Composite current collector, electrode sheet, secondary battery, battery module, battery pack, and electrical apparatus
US-2023187655-A1 · Jun 15, 2023 · US
Battery grid with varied corrosion resistance
US-2023124818-A1 · Apr 20, 2023 · US
Battery grid with varied corrosion resistance
US-11539051-B2 · Dec 27, 2022 · US
Current collector comprising primer coating layer having improved adhesive strength, and manufacturing method for same
US-2022344672-A1 · Oct 27, 2022 · US
Acid battery pasting carrier
US-2022293959-A1 · Sep 15, 2022 · US
Acid battery pasting carrier
US-11417889-B2 · Aug 16, 2022 · US
Uni-electrogrid lead acid battery and process of making the same and performance thereof
US-2022131158-A1 · Apr 28, 2022 · US
Electrode current collector, all solid state battery, and method for producing electrode current collector
US-10964953-B2 · Mar 30, 2021 · US
Battery grid with varied corrosion resistance
US-2021091384-A1 · Mar 25, 2021 · US
Energy storage devices containing a carbon nanotube aerogel and methods for making the same
US-10938037-B2 · Mar 2, 2021 · US
Battery grid with varied corrosion resistance
US-10892491-B2 · Jan 12, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/82?
- CPC H01M4/82 is the Cooperative Patent Classification code for “Multi-step processes for manufacturing carriers for lead-acid accumulators.”
- How many patents are filed under CPC H01M4/82 (Multi-step processes for manufacturing carriers for lead-acid accumulators)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/82 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).