H01H 1/0203
Specially adapted for vacuum switches
Official title: {specially adapted for vacuum switches}
H01H1/0203 (Specially adapted for vacuum switches) appears on 190 US grants and 88 published applications in this corpus.
Search patents in H01H- Granted patents
- 190
- Published applications
- 88
- Assignees
- 48
- Inventors
- 316
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 13 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 4 |
| 2003 | 3 | 3 |
| 2004 | 3 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 3 | 4 |
| 2015 | 0 | 3 |
| 2016 | 2 | 6 |
| 2017 | 5 | 4 |
| 2018 | 6 | 6 |
| 2019 | 10 | 7 |
| 2020 | 6 | 4 |
| 2021 | 4 | 2 |
| 2022 | 5 | 4 |
| 2023 | 3 | 7 |
| 2024 | 2 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Contact for a vacuum interrupter and production method for such a contact19 May 2026US 12,633,469 B2Siemens Aktiengesellschaft
- Short-circuit current limiter7 Oct 2025US 12,437,943 B2Siemens Aktiengesellschaft
- Compact vacuum interrupter15 Jul 2025US 12,362,114 B2Siemens Aktiengesellschaft
- Vacuum interrupter22 Apr 2025US 12,283,444 B2Mitsubishi Electric Corporation
- Vacuum interrupter15 Apr 2025US 12,278,067 B2Kabushiki Kaisha Toshiba
- Reinforced vacuum interrupter electrode, and making same from clad composite raw material starting stock20 Aug 2026US 2026/0245816 A1
- Powder, metal part, electrical contact, method of manufacturing powder, and method of manufacturing metal part29 May 2025US 2025/0170642 A1Sumitomo Electric Industries, Ltd.
- Vacuum interrupter, vacuum circuit breaker, and vacuum contactor30 Jan 2025US 2025/0037949 A1Kabushiki Kaisha Toshiba
- Method of Forming a Contact Piece for a Circuit Breaker5 Dec 2024US 2024/0399619 A1ABB Schweiz AG
- Contact disk for a vacuum switch, vacuum switch and production method for a contact disk21 Nov 2024US 2024/0387124 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Method and apparatus for forming compact bodies from conductive and non-conductive powders75US 4,325,734 AMcGraw-Edison Company · 1982
- Air conditioning unit for motor vehicle, particularly omnibuses22US 5,220,808 AWebasto Klimatechnik GmbH · 1993
- Contact material20US 6,210,809 B1Kabushiki Kaisha Toshiba · 2001
- Contact electrode material for vacuum interrupter and method of manufacturing the same19US 4,686,338 AMeidensha Corporation · 1987
- Vacuum interrupter18US 4,584,445 AMeidensha Corporation · 1986