H01H 85/42
Using an arc-extinguishing gas
Official title: using an arc-extinguishing gas (characterised by the composition of the gas H01H33/22)
H01H85/42 (Using an arc-extinguishing gas) appears on 61 US grants and 24 published applications in this corpus.
Search patents in H01H- Granted patents
- 61
- Published applications
- 24
- Assignees
- 33
- Inventors
- 112
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 3 | 4 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric circuit cut-off device17 Jun 2025US 12,334,293 B2Pacific Engineering Corp.
- Fuse with compartmentalized body and parallel fuse elements5 Sep 2023US 11,749,483 B1Littelfuse, Inc.
- Cutout life indicator gauge24 Jan 2023US 11,561,265 B2Hubbell Incorporated
- Fuses, vehicle circuit for electric vehicle and electric vehicle17 Aug 2021US 11,094,492 B2Cooper Xi'an Fuse Co., Ltd.
- Relay26 Nov 2019US 10,490,380 B2BYD Company Limited
- System for protecting against short-circuits4 Jun 2026US 2026/0152072 A1Pyroalliance
- Fuse with cast arc suppressing materials for improved breaking capacity12 Jun 2025US 2025/0191869 A1Littelfuse, Inc.
- Hard Anodized Aluminum Housing for Electric Fuses27 Mar 2025US 2025/0104955 A1Eaton Intelligent Power Limited
- Electric circuit cut-off device30 Nov 2023US 2023/0386777 A1Pacific Engineering Corp.
- Arc-mitigating fuse with gas evolving microbeads10 Feb 2022US 2022/0044903 A1Littelfuse, Inc.
Most cited
By later US patents
- Arc-extinguishing composition and articles manufactured therefrom38US 4,975,551 AS&C Electric Company · 1990
- Electric fuse for small current intensities32US 4,140,988 AGould Inc. · 1979
- Exothermically assisted arc limiting fuses31US 5,793,275 A1998
- Cartridge fuse for d-c circuits26US 3,935,553 A1976
- Fuse with corrugated filament25US 4,636,765 ALittelfuse, Inc. · 1987