H01H 85/40
Using an arc-extinguishing liquid
Official title: using an arc-extinguishing liquid (characterised by the composition of the liquid H01H33/22)
H01H85/40 (Using an arc-extinguishing liquid) appears on 21 US grants and 14 published applications in this corpus.
Search patents in H01H- Granted patents
- 21
- Published applications
- 14
- Assignees
- 15
- Inventors
- 39
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Application of chambered oil fuse16 Jun 2026US 12,658,396 B2Eaton Intelligent Power Limited
- Excitation protection device acting step by step with single excitation source25 Mar 2025US 12,261,003 B2Xi' An Sinofuse Electric Co., Ltd.
- High breaking capacity fuse with fire-extinguishing pads31 Oct 2023US 11,804,351 B1Littelfuse, Inc.
- Systems and methods for providing fluid-affected fuses19 Sep 2023US 11,764,023 B2Rivian IP Holdings, LLC
- Electrical interruption switching element with a tubular separating element with varying wall thickness14 Sep 2021US 11,120,957 B2
- Application of Chambered Oil Fuse14 Nov 2024US 2024/0379314 A1Eaton Intelligent Power Limited
- Excitation Protection Device Acting Step by Step with Single Excitation Source25 Jul 2024US 2024/0249899 A1Xi' An Sinofuse Electric Co., Ltd.
- Systems and methods for providing fluid-affected fuses28 Apr 2022US 2022/0130631 A1Rivian IP Holdings, LLC
- Electrical interruption switching element with a tubular separating element with varying wall thickness18 Feb 2021US 2021/0050166 A1
- Electrical interrupter switching element having passive interruption tripping, in particular for interrupting high currents at high voltages26 Nov 2020US 2020/0373110 A1
Most cited
By later US patents
- Circuit interrupting device13US 4,220,942 AS&C Electric Company · 1980
- Subsea fuse assembly11US 9,035,739 B2Siemens Aktiengesellschaft · 2015
- Fuses8US 8,212,646 B2Converteam Technology Ltd. · 2012
- Bayonet-type fuse and fuseholder assembly6US 5,227,758 AGeneral Electric Company · 1993
- Current limiting fuse5US 4,058,785 AGeneral Electric Company · 1977