H01H 2239/034
Environmental protection
H01H2239/034 (Environmental protection) appears on 60 US grants and 47 published applications in this corpus.
Search patents in H01H- Granted patents
- 60
- Published applications
- 47
- Assignees
- 49
- Inventors
- 134
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 7 |
| 2016 | 3 | 1 |
| 2017 | 6 | 5 |
| 2018 | 0 | 4 |
| 2019 | 4 | 3 |
| 2020 | 6 | 4 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for reducing contactor freezing19 May 2026US 12,633,470 B2Ford Global Technologies, LLC
- User operation device and in-vehicle device configured for press-down operation8 Jul 2025US 12,351,025 B2Panasonic Automotive Systems Co., Ltd.
- Keycap particle evacuation structure16 Apr 2024US 11,961,688 B2Apple Inc.
- Time switch of controllable time adjustment30 Nov 2021US 11,189,447 B2
- Seal housing for an electrical device and sealed relay using the seal housing17 Aug 2021US 11,094,489 B2Tyco Electronics Componentes Electromecanicos Lda.
- Fuse module21 May 2026US 2026/0142114 A1Littelfuse, Inc.
- Electromagnetic relay1 Jan 2026US 2026/0004984 A1Denso Electronics Corporation
- Systems and methods for reducing contactor freezing4 Apr 2024US 2024/0113360 A1Ford Global Technologies, LLC
- Keycap particle evacuation structure22 Feb 2024US 2024/0062971 A1Apple Inc.
- User operation device and in-vehicle device configured for press-down operation29 Sep 2022US 2022/0305917 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Dual purpose, weather resistant data terminal keyboard assembly including audio porting211US 4,081,631 AMotorola, Inc. · 1978
- Touch switch and contactor therefor121US 4,243,861 ACornelius, Inc. · 1981
- Membrane switch assembly with improved spacer121US 4,345,119 AMotorola, Inc. · 1982
- Keyboard with metal cover and improved switches92US 4,771,139 A1988
- Keyboard pad structure for electronic devices88US 5,219,067 ATrimble Navigation Limited · 1993