Nickel-plated, heat-treated steel sheet for battery cans
US-2018366691-A1 · Dec 20, 2018 · US
for protecting against corrosion
for protecting against corrosion · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M50/145 |
| Official title | for protecting against corrosion |
| Display label | for protecting against corrosion |
| Total patents | 247 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 16 |
| 2017 | 17 |
| 2018 | 28 |
| 2019 | 20 |
| 2020 | 20 |
| 2021 | 21 |
| 2022 | 18 |
| 2023 | 23 |
| 2024 | 25 |
| 2025 | 35 |
| 2026 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface-treated steel plate for cell container
US-2018351138-A1 · Dec 6, 2018 · US
Nonaqueous secondary battery and method for manufacturing same
US-10141547-B2 · Nov 27, 2018 · US
Battery packaging material, battery, and method for producing same
US-10141548-B2 · Nov 27, 2018 · US
Battery-packaging material
US-10128471-B2 · Nov 13, 2018 · US
3D-structured solid state battery
US-10109887-B1 · Oct 23, 2018 · US
Packaging material for lithium cell
US-10109825-B2 · Oct 23, 2018 · US
Secondary battery
US-10109826-B2 · Oct 23, 2018 · US
Packaging material for power storage device and method for manufacturing packaging material for power storage device
US-2018301671-A1 · Oct 18, 2018 · US
Coin type battery
US-10103361-B2 · Oct 16, 2018 · US
Exterior material for lithium ion battery
US-2018205047-A1 · Jul 19, 2018 · US
Coin type battery
US-2018138467-A1 · May 17, 2018 · US
Packaging material for power storage device and power storage device using the packaging material
US-2018108880-A1 · Apr 19, 2018 · US
Packaging material for batteries, and battery
US-2018076423-A1 · Mar 15, 2018 · US
Packaging material for power storage device
US-2018076421-A1 · Mar 15, 2018 · US
Energy storage device
US-9905369-B2 · Feb 27, 2018 · US
Aluminum plastic film packaging material for use in lithium battery to prolong service life
US-2018034010-A1 · Feb 1, 2018 · US
Packaging material for power storage device
US-2018019449-A1 · Jan 18, 2018 · US
Outer packaging material for electric storage device and electric storage device using the same
US-2017365825-A1 · Dec 21, 2017 · US
Secondary battery packaging material and secondary battery
US-2017346047-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M50/145?
- CPC H01M50/145 is the Cooperative Patent Classification code for “for protecting against corrosion.”
- How many patents are filed under CPC H01M50/145 (for protecting against corrosion)?
- Our database includes 247 publications tagged with this CPC code.
- Is patent activity under CPC H01M50/145 growing?
- Publication counts under this code: 25 in 2024 vs 35 in 2025 (latest complete years).