Surgical instrument battery pack with voltage polling
US-2024058001-A1 · Feb 22, 2024 · US
Preventing polarity reversal
Preventing polarity reversal · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M2200/30 |
| Official title | Preventing polarity reversal |
| Display label | Preventing polarity reversal |
| Total patents | 141 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 11 |
| 2017 | 11 |
| 2018 | 9 |
| 2019 | 17 |
| 2020 | 18 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 12 |
| 2024 | 7 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical device
US-2019393466-A1 · Dec 26, 2019 · US
Positive electrode active material for secondary battery, and secondary battery including the same
US-2019372115-A1 · Dec 5, 2019 · US
Positive electrode active material for secondary battery, and secondary battery including the same
US-10439216-B2 · Oct 8, 2019 · US
Method and system for battery binding
US-2019283621-A1 · Sep 19, 2019 · US
Battery reverse voltage prevention system and method
US-2019288506-A1 · Sep 19, 2019 · US
Secondary Battery
US-2019273224-A1 · Sep 5, 2019 · US
Secondary Battery and Vehicle
US-2019221877-A1 · Jul 18, 2019 · US
Manual service disconnect system and method for energy storage
US-2019131805-A1 · May 2, 2019 · US
Non-Aqueous Electrolyte Secondary Battery
US-2019123395-A1 · Apr 25, 2019 · US
Surgical instrument battery pack with voltage polling
US-2018310933-A1 · Nov 1, 2018 · US
Positive electrode active material for secondary battery, and secondary battery including the same
US-2018294477-A1 · Oct 11, 2018 · US
Battery Pack and Method for Detecting Whether or Not Busbar is Opened Using the Battery Pack
US-2018226690-A1 · Aug 9, 2018 · US
Lithium secondary battery pack, as well as electronic device, charging system, and charging method using said pack
US-10044072-B2 · Aug 7, 2018 · US
Power supply device
US-10038224-B2 · Jul 31, 2018 · US
Method of manufacturing energy storage apparatus, energy storage device, and energy storage apparatus
US-2018205059-A1 · Jul 19, 2018 · US
Battery pack interface
US-2018169851-A1 · Jun 21, 2018 · US
Surgical instrument battery pack with voltage polling
US-9974539-B2 · May 22, 2018 · US
Separator having porous coating layer, and electrochemical device containing the same
US-9960400-B2 · May 1, 2018 · US
Power supply device
US-2017373353-A1 · Dec 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M2200/30?
- CPC H01M2200/30 is the Cooperative Patent Classification code for “Preventing polarity reversal.”
- How many patents are filed under CPC H01M2200/30 (Preventing polarity reversal)?
- Our database includes 141 publications tagged with this CPC code.
- Is patent activity under CPC H01M2200/30 growing?
- Publication counts under this code: 7 in 2024 vs 9 in 2025 (latest complete years).