Lead-acid battery
US-11145847-B2 · Oct 12, 2021 · US
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Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M2/28 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 16 |
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 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 1 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Short-circuit prevention member, power storage battery, power storage device, and power storage system
US-2021028434-A1 · Jan 28, 2021 · US
Lead storage battery
US-2020266495-A1 · Aug 20, 2020 · US
Separator and battery
US-2019245184-A1 · Aug 8, 2019 · US
Methods for making lead-carbon couplings, lead-carbon electrode sheets and lead-carbon batteries
US-10361420-B2 · Jul 23, 2019 · US
Separator and battery
US-10312491-B2 · Jun 4, 2019 · US
Separator for lead-acid battery, and lead-acid battery
US-10270136-B2 · Apr 23, 2019 · US
Lead-acid battery
US-2019058180-A1 · Feb 21, 2019 · US
Lead-acid battery
US-10211445-B2 · Feb 19, 2019 · US
Electrode tab pad plate
US-10153476-B2 · Dec 11, 2018 · US
Seal ring and associated method
US-9966578-B2 · May 8, 2018 · US
Methods for making lead-carbon couplings, lead-carbon electrode sheets and lead-carbon batteries
US-2017263912-A1 · Sep 14, 2017 · US
Lead-acid battery
US-2017263913-A1 · Sep 14, 2017 · US
Lead-acid battery
US-9356321-B2 · May 31, 2016 · US
Seal ring and associated method
US-9166214-B2 · Oct 20, 2015 · US
Lead-acid battery
US-2015200424-A1 · Jul 16, 2015 · US