H01H 31/127
Drop-out fuses
Official title: {Drop-out fuses}
H01H31/127 (Drop-out fuses) appears on 92 US grants and 59 published applications in this corpus.
Search patents in H01H- Granted patents
- 92
- Published applications
- 59
- Assignees
- 33
- Inventors
- 151
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 3 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 3 | 6 |
| 2010 | 4 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 2 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 1 |
| 2016 | 2 | 4 |
| 2017 | 1 | 3 |
| 2018 | 4 | 0 |
| 2019 | 1 | 0 |
| 2020 | 3 | 4 |
| 2021 | 4 | 1 |
| 2022 | 2 | 3 |
| 2023 | 2 | 4 |
| 2024 | 4 | 4 |
| 2025 | 5 | 10 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutout cover6 Jan 2026US 12,518,941 B1Nsa Rup, LLC
- Upper contact assembly and fuse cutout having the same18 Nov 2025US 12,476,058 B2Goodwell Electric Corporation
- Utility probe with resilient fingers1 Jul 2025US 12,343,849 B2Utility Solutions, Inc.
- Insulation device and fuse cutout having the same20 May 2025US 12,308,196 B2Goodwell Electric Corporation
- Fuse end cap having displaceable alignment pin18 Mar 2025US 12,255,034 B2ABB Schweiz AG
- Mechanical fuse device for protecting switching apparatus30 Apr 2026US 2026/0117826 A1Hitachi Energy Ltd
- Flange, notch, or hook engaging portion for assisting quick opening of power lines using a cutout door20 Nov 2025US 2025/0357060 A1
- Device, System And Method For Closing A Fuse Cutout30 Oct 2025US 2025/0336632 A1
- Utility probe with resilient fingers2 Oct 2025US 2025/0303538 A1Utility Solutions, Inc.
- Load break assembly24 Jul 2025US 2025/0239421 A1
Most cited
By later US patents
- Method and apparatus for detecting and responding to downed conductors80US 5,341,265 AKearney-National, Inc. · 1994
- Contact assembly for a fuse cutout27US 4,414,527 AS&C Electric Company · 1983
- Composite dropout fuse device25US 4,011,537 AS&C Electric Company · 1977
- Hot-stick capable cutout cover23US 7,839,256 B2Hubbell Incorporated · 2010
- High-voltage fuse cutout22US 4,307,369 AS&C Electric Company · 1981