H01H 33/6642
Having cup-shaped contacts, the cylindrical wall of which being provided with inclined
Official title: {having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil}
H01H33/6642 (Having cup-shaped contacts, the cylindrical wall of which being provided with inclined) appears on 75 US grants and 43 published applications in this corpus.
Search patents in H01H- Granted patents
- 75
- Published applications
- 43
- Assignees
- 31
- Inventors
- 157
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 4 |
| 2004 | 5 | 3 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 4 | 2 |
| 2013 | 0 | 4 |
| 2014 | 3 | 3 |
| 2015 | 1 | 4 |
| 2016 | 4 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Vacuum interrupter22 Apr 2025US 12,283,444 B2Mitsubishi Electric Corporation
- Contact point monitoring module device for vacuum circuit breaker and vacuum circuit breaker comprising same26 Mar 2024US 11,942,292 B2Ls Electric Co., Ltd.
- Vacuum interrupter8 Aug 2023US 11,721,503 B2Mitsubishi Electric Corporation
- Operation device and operation member23 Aug 2022US 11,424,086 B2Alps Alpine Co., Ltd.
- Vacuum circuit interrupter with piezoelectric actuator and vacuum circuit breaker incorporating same15 Feb 2022US 11,251,004 B2Camlin Technologies Limited
- Contact disk for a vacuum switch, vacuum switch and production method for a contact disk21 Nov 2024US 2024/0387124 A1Siemens Aktiengesellschaft
- Contact carrier for a vacuum switch, vacuum switch and production method for a contact carrier14 Nov 2024US 2024/0379309 A1Siemens Aktiengesellschaft
- Production process for a contact element for vacuum switches, contact element and vacuum switch3 Oct 2024US 2024/0331960 A1Siemens Aktiengesellschaft
- High-flow current capacity contact and vacuum interrupter applied therefor19 Sep 2024US 2024/0312741 A1Xi' An Jiaotong University
- Vacuum interrupter18 May 2023US 2023/0154705 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Tubular supported axial magnetic field interrupter52US 4,871,888 A1989
- Axial magnetic field interrupter39US 4,982,059 ACooper Industries, Inc. · 1991
- Vacuum type circuit interrupter with a contact having integral axial magnetic field means24US 4,117,288 AWestinghouse Electric Corp. · 1978
- Vacuum interrupter23US 4,704,506 AHitachi, Ltd. · 1987
- Vacuum interrupter23US 4,839,481 ACooper Industries, Inc. · 1989