Electrical Switch
US-2022384120-A1 · Dec 1, 2022 · US
Contacts (liquid contacts H01H29/04)
Contacts (liquid contacts H01H29/04) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H1/00 |
| Official title | Contacts (liquid contacts H01H29/04) |
| Display label | Contacts (liquid contacts H01H29/04) |
| Total patents | 70 |
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 | 6 |
| 2016 | 11 |
| 2017 | 9 |
| 2018 | 14 |
| 2019 | 14 |
| 2020 | 3 |
| 2022 | 3 |
| 2023 | 5 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circuit breakers incorporating reset lockout mechanisms
US-2022230829-A1 · Jul 21, 2022 · US
Circuit breakers incorporating reset lockout mechanisms
US-11342152-B2 · May 24, 2022 · US
Safety monitoring device for monitoring safety-related states in a passenger conveyor system and method for operating same
US-2020346893-A1 · Nov 5, 2020 · US
Multiple core transformer assembly
US-10690700-B2 · Jun 23, 2020 · US
Surgical generator for ultrasonic and electrosurgical devices
US-RE47996-E · May 19, 2020 · US
MEMS switch and electronic device
US-10508025-B2 · Dec 17, 2019 · US
Position detection systems and methods
US-10502590-B2 · Dec 10, 2019 · US
Electronic switching device of a battery management system, and battery
US-10468728-B2 · Nov 5, 2019 · US
Multiple core transformer assembly
US-2019285668-A1 · Sep 19, 2019 · US
Switching device comprising a resetting device
US-10395864-B2 · Aug 27, 2019 · US
Photoelectric sensor
US-10338087-B2 · Jul 2, 2019 · US
Circuit breakers incorporating reset lockout mechanisms
US-2019189379-A1 · Jun 20, 2019 · US
Multiple core transformer assembly
US-10317431-B2 · Jun 11, 2019 · US
Appliance user interface and method of operation
US-10260188-B2 · Apr 16, 2019 · US
Photoelectric sensor
US-2019101561-A1 · Apr 4, 2019 · US
Controllable tripout for an electrical circuit breaker
US-10249461-B2 · Apr 2, 2019 · US
Power meter with automatic configuration
US-10234484-B2 · Mar 19, 2019 · US
Mems switch and electronic device
US-2019077655-A1 · Mar 14, 2019 · US
Position detection systems and methods
US-10222239-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H1/00?
- CPC H01H1/00 is the Cooperative Patent Classification code for “Contacts (liquid contacts H01H29/04).”
- How many patents are filed under CPC H01H1/00 (Contacts (liquid contacts H01H29/04))?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC H01H1/00 growing?
- Publication counts under this code: 5 in 2023 vs 3 in 2025 (latest complete years).