H01H 33/7053
Having a bridging element around two hollow tubular contacts
Official title: {having a bridging element around two hollow tubular contacts}
H01H33/7053 (Having a bridging element around two hollow tubular contacts) appears on 10 US grants and 1 published applications in this corpus.
Search patents in H01H- Granted patents
- 10
- Published applications
- 1
- Assignees
- 6
- Inventors
- 21
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compressed gas switch3 Jun 2025US 12,322,935 B2Siemens Energy Global GmbH & Co. KG
- Gas pressure circuit breaker7 Jul 1987US 4,678,878 ASiemens Aktiengesellschaft
- Pneumatic puffer circuit breaker11 Sep 1984US 4,471,188 AAlsthom-Atlantique
- Gas circuit breaker22 May 1984US 4,450,329 AMitsubishi Denki Kabushiki Kaisha
- Contact arrangement for air-blast switches with a tubular element of ferromagnetic material29 Nov 1983US 4,418,255 ASiemens Aktiengesellschaft
Most cited
By later US patents
- High-voltage circuit-interrupters20US 4,086,461 AReyrolle Parsons Limited · 1978
- Contact system for high-voltage power circuit breakers9US 4,032,737 ASiemens Aktiengesellschaft · 1977
- Pneumatic puffer circuit breaker9US 4,471,188 AAlsthom-Atlantique · 1984
- Quenching contact arrangement for a compressed-gas circuit breaker6US 4,080,521 ASiemens Aktiengesellschaft · 1978
- Gas circuit breaker4US 4,450,329 AMitsubishi Denki Kabushiki Kaisha · 1984