H01H 9/36
Metal parts
H01H9/36 (Metal parts) appears on 251 US grants and 228 published applications in this corpus.
Search patents in H01H- Granted patents
- 251
- Published applications
- 228
- Assignees
- 100
- Inventors
- 534
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 3 |
| 2002 | 2 | 3 |
| 2003 | 7 | 4 |
| 2004 | 6 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 5 |
| 2007 | 2 | 5 |
| 2008 | 4 | 11 |
| 2009 | 4 | 10 |
| 2010 | 6 | 1 |
| 2011 | 3 | 7 |
| 2012 | 5 | 3 |
| 2013 | 5 | 11 |
| 2014 | 7 | 17 |
| 2015 | 11 | 14 |
| 2016 | 16 | 12 |
| 2017 | 11 | 13 |
| 2018 | 13 | 8 |
| 2019 | 14 | 10 |
| 2020 | 12 | 13 |
| 2021 | 14 | 9 |
| 2022 | 7 | 12 |
| 2023 | 15 | 18 |
| 2024 | 7 | 14 |
| 2025 | 9 | 10 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Arc extinguishing unit and air circuit breaker comprising same25 Aug 2026US 12,718,996 B2Ls Electric Co., Ltd.
- Switch disconnector with an arc extinguishing shield plate11 Aug 2026US 12,706,256 B2Eaton Intelligent Power Limited
- Device for extinguishing arcs in an electrical circuit14 Jul 2026US 12,683,097 B2ABB Schweiz AG
- High-voltage arc quenching systems and electrical switching devices comprising the same16 Jun 2026US 12,658,382 B2TE Connectivity Germany GmbH
- Circuit breaking unit and air circuit breaker including same5 May 2026US 12,620,536 B2Ls Electric Co., Ltd.
- Switch10 Sep 2026US 2026/0269149 A1Mitsubishi Electric Corporation
- Circuit breaker, power converter, energy storage system, and electric vehicle6 Aug 2026US 2026/0229429 A1Huawei Digital Power Technologies Co., Ltd.
- Arc path formation unit and direct current relay comprising same6 Aug 2026US 2026/0229435 A1Ls E-Mobility Solutions Co., Ltd.
- Electrical contactor with an integrated breaking device23 Jul 2026US 2026/0213088 A1Safran Electrical & Power
- A cassette casing unit of a moulded case circuit breaker (mccb)23 Jul 2026US 2026/0213099 A1Havells India Limited
Most cited
By later US patents
- Rapid electric-arc extinguishing assembly in circuit-breaking devices such as electric circuit breakers143US 4,375,021 AGeneral Electric Company · 1983
- Direct current switching apparatus45US 5,004,874 AEaton Corporation · 1991
- Circuit breaker with arc quenching device and vent38US 5,589,672 AFuji Electric Co., Ltd. · 1996
- Compact current limiting circuit breaker37US 4,963,849 AGeneral Electric Company · 1990
- Electric switch with counteracting electro-electro-dynamic forces35US 4,849,590 AKohler Co. · 1989