H01H 33/64
Wherein the break is in gas
Official title: wherein the break is in gas (vacuum switches H01H33/66)
H01H33/64 (Wherein the break is in gas) appears on 74 US grants and 83 published applications in this corpus.
Search patents in H01H- Granted patents
- 74
- Published applications
- 83
- Assignees
- 42
- Inventors
- 226
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 2 | 5 |
| 2014 | 0 | 10 |
| 2015 | 8 | 9 |
| 2016 | 13 | 10 |
| 2017 | 9 | 12 |
| 2018 | 12 | 9 |
| 2019 | 9 | 8 |
| 2020 | 6 | 3 |
| 2021 | 2 | 4 |
| 2022 | 4 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Operating mechanism for circuit breakers16 Dec 2025US 12,500,052 B2Hitachi Energy Ltd
- Low voltage switch pole15 Jul 2025US 12,362,113 B2ABB AB
- Method for manufacturing a switching apparatus for electric systems17 Jun 2025US 12,334,285 B2ABB Schweiz AG
- Alternative gas current pause circuit interrupter8 Oct 2024US 12,112,905 B2Southern States, LLC
- High voltage disconnector29 Nov 2022US 11,515,109 B2Hitachi Energy Switzerland AG
- Alternative gas current pause circuit interrupter23 May 2024US 2024/0170240 A1Soutern States, LLC
- Operating mechanism for circuit breakers2 May 2024US 2024/0145192 A1Hitachi Energy Ltd
- Low voltage switch pole29 Jun 2023US 2023/0207238 A1ABB AB
- Method for manufacturing a switching apparatus for electric systems12 Jan 2023US 2023/0009581 A1ABB Schweiz AG
- Gas circuit breaker system and method thereof26 May 2022US 2022/0165522 A1
Most cited
By later US patents
- Air circuit breaker having an improved electric arc quenching chamber7US 10,192,700 B2Schneider Electric Industries SAS · 2019
- Switch7US 8,263,890 B2Mitsubishi Electric Corporation · 2012
- Electromagnetic switching device6US 8,461,950 B2Lsis Co., Ltd. · 2013
- Electrical switch5US 10,804,056 B2ABB AB · 2020
- Switchgear5US 9,117,608 B2Mitsubishi Electric Corporation · 2015