Battery shell, battery, and electronic device
US-2024243391-A1 · Jul 18, 2024 · US
Hardness
Hardness · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M50/134 |
| Official title | Hardness |
| Display label | Hardness |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 16 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polypropylene composition with improved stress whitening performance
US-2023407072-A1 · Dec 21, 2023 · US
Battery
US-2023395905-A1 · Dec 7, 2023 · US
Surface-treated steel sheet for cell container
US-2023387517-A1 · Nov 30, 2023 · US
Battery packaging material, method for producing the same, and battery
US-2023387519-A1 · Nov 30, 2023 · US
Battery Cell Having a Plurality of Electrode Units in a Common Battery Cell Housing
US-2023387515-A1 · Nov 30, 2023 · US
Surface-treated steel plate for cell container
US-11824212-B2 · Nov 21, 2023 · US
Surface-treated steel sheet for cell container
US-11799156-B2 · Oct 24, 2023 · US
Electrochemical device and electronic device
US-2023291081-A1 · Sep 14, 2023 · US
Electrochemical apparatus and electronic device
US-2023291046-A1 · Sep 14, 2023 · US
Electronic apparatus and laminated battery
US-2023261288-A1 · Aug 17, 2023 · US
Outer packaging for electrical storage devices, method for manufacturing said outer packaging, and electrical storage device
US-2023223620-A1 · Jul 13, 2023 · US
Nickel-plated, heat-treated steel sheet for battery cans
US-11699824-B2 · Jul 11, 2023 · US
Battery
US-2023216119-A1 · Jul 6, 2023 · US
Battery and method for manufacturing the same
US-2023141351-A1 · May 11, 2023 · US
Power storage device and power storage module
US-2023019175-A1 · Jan 19, 2023 · US
Lithium-ion battery and electronic device
US-2023006265-A1 · Jan 5, 2023 · US
Surface-treated steel plate for cell container
US-2022166092-A1 · May 26, 2022 · US
Secondary battery and battery module, battery pack and apparatus containing the same
US-2022093921-A1 · Mar 24, 2022 · US
Lithium secondary battery and method of fabricating the same
US-2022037728-A1 · Feb 3, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M50/134?
- CPC H01M50/134 is the Cooperative Patent Classification code for “Hardness.”
- How many patents are filed under CPC H01M50/134 (Hardness)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC H01M50/134 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).