H02G 5/065
Particle traps
Official title: {Particle traps (gettering in vacuum switches H01H33/6683; in discharge or vacuum tubes H01J7/18, H01J19/70)}
H02G5/065 (Particle traps) appears on 72 US grants and 33 published applications in this corpus.
Search patents in H02G- Granted patents
- 72
- Published applications
- 33
- Assignees
- 31
- Inventors
- 113
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 1 | 4 |
| 2018 | 6 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Grounding structure, method for assembling grounding structure and gas-insulated transmission line2 Sep 2025US 12,407,151 B2Hitachi Energy Ltd
- Insulation supporting assembly and gas-insulated transmission line5 Aug 2025US 12,381,382 B2Hitachi Energy Ltd
- Gas insulated apparatus30 Jan 2024US 11,888,295 B2Mitsubishi Electric Corporation
- Post insulator and direct current power transmission device17 Oct 2023US 11,791,068 B2North China Electric Power University
- Integrated tank foot particle trap14 Mar 2023US 11,605,515 B2Hitachi Energy Switzerland AG
- Grounding structure, method for assembling grounding structure and gas-insulated transmission line17 Aug 2023US 2023/0261447 A1Hitachi Energy Switzerland AG
- Post insulator and direct current power transmission device29 Sep 2022US 2022/0310288 A1North China Electric Power University
- Insulation supporting assembly and gas-insulated transmission line5 May 2022US 2022/0140588 A1ABB Power Grids Switzerland AG
- Gas insulated apparatus6 Jan 2022US 2022/0006271 A1Mitsubishi Electric Corporation
- Integrated tank foot particle trap30 Dec 2021US 2021/0407750 A1ABB Power Grids Switzerland AG
Most cited
By later US patents
- Circuit breaker with particle trap20US 6,307,172 B1Mitsubishi Electric Power Products, Inc. · 2001
- Particle trapping elbow joint for enclosed high voltage electric bus apparatus14US 4,029,890 AGeneral Electric Company · 1977
- Particle trap contact for gas insulated transmission lines13US 4,084,064 AWestinghouse Electric Corp. · 1978
- Particle trapping sheath coupling for enclosed electric bus apparatus11US 4,029,891 AGeneral Electric Company · 1977
- Particle trap for compressed gas insulated transmission systems11US 4,554,399 AThe United States of America as represented by the United States Department of Energy · 1985