Capacitor based lightning clamp
US-9819175-B2 · Nov 14, 2017 · US
Protection of over-voltage protection device by short-circuiting
Protection of over-voltage protection device by short-circuiting · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H9/043 |
| Official title | {Protection of over-voltage protection device by short-circuiting} |
| Display label | Protection of over-voltage protection device by short-circuiting |
| Total patents | 192 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 29 |
| 2017 | 27 |
| 2018 | 22 |
| 2019 | 25 |
| 2020 | 14 |
| 2021 | 16 |
| 2022 | 8 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Arrester
US-2017324221-A1 · Nov 9, 2017 · US
Monitoring device degradation based on component evaluation
US-9737301-B2 · Aug 22, 2017 · US
Powered medical device including measurement of closure state of jaws
US-2017209145-A1 · Jul 27, 2017 · US
Protection circuit assembly and method for high voltage systems
US-2017170652-A1 · Jun 15, 2017 · US
Overvoltage protection circuit, led backlight driving circuit and lcd
US-2017127484-A1 · May 4, 2017 · US
Overvoltage protection device
US-9531187-B2 · Dec 27, 2016 · US
Hot-socket circuitry
US-9515643-B2 · Dec 6, 2016 · US
Overvoltage protection device with leakage current cut-off
US-2016352093-A1 · Dec 1, 2016 · US
Surge protection circuit and method for testing a surge protection circuit
US-9500699-B2 · Nov 22, 2016 · US
Phase-to-phase surge protective devices
US-2016329701-A1 · Nov 10, 2016 · US
On chip reverse polarity protection compliant with ISO and ESD requirements
US-9472948-B2 · Oct 18, 2016 · US
Overvoltage protection device
US-9461466-B2 · Oct 4, 2016 · US
Overvoltage protection device
US-2016276826-A1 · Sep 22, 2016 · US
Overvoltage protection device
US-2016248244-A1 · Aug 25, 2016 · US
Intrinsic Safety Barrier
US-2016248241-A1 · Aug 25, 2016 · US
Front end protection power controller
US-2016211764-A1 · Jul 21, 2016 · US
Intrinsically Safe Voltage Limiting Shunt Regulator Circuit
US-2016211752-A1 · Jul 21, 2016 · US
Overvoltage protection apparatus and luminaire having such an overvoltage protection apparatus
US-2016204600-A1 · Jul 14, 2016 · US
Protection method and device of an electrical network for aircraft
US-9368957-B2 · Jun 14, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H9/043?
- CPC H02H9/043 is the Cooperative Patent Classification code for “Protection of over-voltage protection device by short-circuiting.”
- How many patents are filed under CPC H02H9/043 (Protection of over-voltage protection device by short-circuiting)?
- Our database includes 192 publications tagged with this CPC code.
- Is patent activity under CPC H02H9/043 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).