Verification device and method for verifying an electrical overvoltage between electrical conductors
US-2019204389-A1 · Jul 4, 2019 · US
of short duration, e.g. lightning
of short duration, e.g. lightning · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/22 |
| Official title | of short duration, e.g. lightning |
| Display label | of short duration, e.g. lightning |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 21 |
| 2017 | 14 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 16 |
| 2021 | 24 |
| 2022 | 20 |
| 2023 | 12 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Jet Stream Lightning Protection Device
US-2018346145-A1 · Dec 6, 2018 · US
Lighting relay panel features for improved safety and reliability
US-10129950-B1 · Nov 13, 2018 · US
Ground/voltage open input
US-2018323604-A1 · Nov 8, 2018 · US
Lighting Relay Panel Features for Improved Safety and Reliability
US-2018313896-A1 · Nov 1, 2018 · US
Lighting Relay Panel Features for Improved Safety and Reliability
US-2018317300-A1 · Nov 1, 2018 · US
EOS event detection circuit for detecting EOS event on supply voltage rail coupled to power supply
US-10116129-B1 · Oct 30, 2018 · US
Extended drain non-planar MOSFETs for electrostatic discharge (ESD) protection
US-10103542-B2 · Oct 16, 2018 · US
Surge Protective Device with Abnormal Overvoltage Protection
US-2018269678-A1 · Sep 20, 2018 · US
Electrical device with power quality event protection and associated method
US-2018261995-A1 · Sep 13, 2018 · US
Electrical device with power quality event protection and associated method
US-10003185-B2 · Jun 19, 2018 · US
System and method for isolating and protecting a PoE (power over ethernet) device
US-9819500-B2 · Nov 14, 2017 · US
Power supply device and high potential test method thereof
US-9812854-B2 · Nov 7, 2017 · US
Power supply with current limit on individual conductors
US-2017288386-A1 · Oct 5, 2017 · US
Esd protection circuit and method with high immunity to hot plug insertion and other transient events
US-2017256933-A1 · Sep 7, 2017 · US
Electrically insulated tethers for transmission line arresters
US-9755420-B2 · Sep 5, 2017 · US
Sensor Device
US-2017227378-A1 · Aug 10, 2017 · US
Built-in test circuits for transient voltage protection devices
US-9711960-B2 · Jul 18, 2017 · US
Optimized ESD clamp circuitry
US-9679891-B2 · Jun 13, 2017 · US
Monitoring device and surge arrester system
US-9673614-B2 · Jun 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H3/22?
- CPC H02H3/22 is the Cooperative Patent Classification code for “of short duration, e.g. lightning.”
- How many patents are filed under CPC H02H3/22 (of short duration, e.g. lightning)?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC H02H3/22 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).