H01H 2033/66223
Details relating to the sealing of vacuum switch housings
Official title: {Details relating to the sealing of vacuum switch housings}
H01H2033/66223 (Details relating to the sealing of vacuum switch housings) appears on 75 US grants and 50 published applications in this corpus.
Search patents in H01H- Granted patents
- 75
- Published applications
- 50
- Assignees
- 37
- Inventors
- 182
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 4 | 1 |
| 2016 | 1 | 4 |
| 2017 | 3 | 2 |
| 2018 | 5 | 4 |
| 2019 | 2 | 5 |
| 2020 | 4 | 0 |
| 2021 | 1 | 3 |
| 2022 | 1 | 2 |
| 2023 | 2 | 6 |
| 2024 | 7 | 5 |
| 2025 | 3 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Overmolded electrical device with low electrical stress parting lines29 Sep 2026US 12,749,637 B2G & W Electric Company
- Circuit breaker with indicator of breaker position14 Oct 2025US 12,444,911 B2Jst Power Equipment, Inc.
- Vacuum circuit breaker5 Aug 2025US 12,381,051 B2Mitsubishi Electric Corporation
- Vacuum degree detection device, monitoring system, and vacuum arc extinguishing chamber thereof17 Jun 2025US 12,334,287 B2Xi' An Jiaotong University
- Circuit breaker with terminal bushings having dynamic seal24 Sep 2024US 12,100,939 B2Jst Power Equipment, Inc.
- Non-metal shields and use of foamy materials in vacuum interrupter, and switchgear employing same24 Sep 2026US 2026/0290727 A1
- Vacuum circuit breaker6 Aug 2026US 2026/0229431 A1Hd Hyundai Electric Co., Ltd.
- Electrical switch with spring system9 Apr 2026US 2026/0100316 A1Diomedes Oy
- Modular Pole Assembly for Overhead Line Systems4 Sep 2025US 2025/0279254 A1ABB Schweiz AG
- Gas insulation device21 Aug 2025US 2025/0266224 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- High voltage vacuum type circuit interrupter121US 4,568,804 AJoslyn Mfg. and Supply Co. · 1986
- Vacuum circuit interrupter16US 4,394,554 AMeidensha Corporation · 1983
- Vacuum interrupter with simplified enclosure and method of assembly15US 4,880,947 AWestinghouse Electric Corp. · 1989
- Vacuum-type circuit interrupter with means for protecting its bellows against mechanical damage14US 4,071,727 AGeneral Electric Company · 1978
- Vacuum switch12US 4,249,050 ATokyo Shibaura Denki Kabushiki Kaisha · 1981