H01H 2225/008
Two different sites for one circuit
Official title: Two different sites for one circuit, e.g. for safety
H01H2225/008 (Two different sites for one circuit) appears on 48 US grants and 35 published applications in this corpus.
Search patents in H01H- Granted patents
- 48
- Published applications
- 35
- Assignees
- 37
- Inventors
- 95
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 3 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 3 |
| 2020 | 4 | 3 |
| 2021 | 4 | 3 |
| 2022 | 3 | 5 |
| 2023 | 4 | 3 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Medium voltage or high voltage circuit breaker14 Apr 2026US 12,603,239 B2ABB Schweiz AG
- Relay switch device integrated with pre-charge system18 Feb 2025US 12,230,465 B2LG Energy Solution, Ltd.
- Sensing keyboard and sensing keyswitches thereof25 Jun 2024US 12,020,873 B2Darfon Electronics Corp.
- Electrical switch contact sets9 Apr 2024US 11,955,296 B2General Equipment and Manufacturing Company, Inc.
- Touch sensor unit26 Sep 2023US 11,769,640 B2Aisin Corporation
- Relay Switch Device Integrated With Pre-Charge System22 May 2025US 2025/0166952 A1LG Energy Solution, Ltd.
- Medium Voltage or High Voltage Circuit Breaker28 Dec 2023US 2023/0420202 A1ABB Schweiz AG
- Relay Switch Device Integrated With Pre-Charge System5 Oct 2023US 2023/0317392 A1LG Energy Solution, Ltd.
- Sensing keyboard and sensing keyswitches thereof27 Apr 2023US 2023/0129863 A1Darfon Electronics Corp.
- Electrical switch contact sets27 Oct 2022US 2022/0344109 A1General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc.
Most cited
By later US patents
- Data input terminal158US 5,367,298 A1994
- Switch overlay in a piston ventilator155US 6,123,073 ANellcor Puritan Bennett LLC · 2000
- Transparent keyboard switch and array133US 4,017,848 ARockwell International Corporation · 1977
- Sequential stroke keyboard90US 6,378,234 B12002
- Chording keyboard for generating binary data85US 4,467,321 A1984