H01H 2001/0005
Redundant contact pairs in one switch for safety reasons
Official title: {Redundant contact pairs in one switch for safety reasons}
H01H2001/0005 (Redundant contact pairs in one switch for safety reasons) appears on 82 US grants and 57 published applications in this corpus.
Search patents in H01H- Granted patents
- 82
- Published applications
- 57
- Assignees
- 60
- Inventors
- 153
- Latest grant
- 16 Jun 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 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 4 |
| 2005 | 2 | 6 |
| 2006 | 7 | 3 |
| 2007 | 1 | 4 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 6 | 5 |
| 2011 | 2 | 2 |
| 2012 | 3 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 6 |
| 2019 | 5 | 4 |
| 2020 | 4 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 6 |
| 2024 | 4 | 2 |
| 2025 | 1 | 0 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oil level sensing and fault detection16 Jun 2026US 12,656,166 B2Textron Innovations Inc.
- MEMS relay with safety function19 May 2026US 12,633,483 B2Robert Bosch GmbH
- Safety switch with fool-proof function and toaster3 Mar 2026US 12,564,289 B2Dongguan Yorkwell Electrical Appliance Co., Ltd.
- Button structure21 Oct 2025US 12,451,305 B2Peratech IP Ltd
- Relay17 Sep 2024US 12,094,673 B2TDK Electronics Co., Ltd.
- Mems relay with safety function1 Feb 2024US 2024/0038472 A1Robert Bosch GmbH
- Key mechanism11 Jan 2024US 2024/0013990 A1Peratech Holdco Ltd
- Oil Level Sensing and Fault Detection23 Nov 2023US 2023/0375393 A1Textron Aviation Inc.
- Feedback-diverse, dual-controller-architecture functional safety system9 Nov 2023US 2023/0361766 A1Fort Robotics, Inc.
- Five-position switch14 Sep 2023US 2023/0290590 A1Essex Industries, Inc.
Most cited
By later US patents
- Nanotube-based switching elements90US 7,115,960 B2Nantero, Inc. · 2006
- Index rotary switch68US 4,891,476 AIllinois Tool Works Inc. · 1990
- Microminiature force-sensitive switch42US 4,543,457 ATransensory Devices, Inc. · 1985
- Nanotube device structure and methods of fabrication40US 7,071,023 B2Nantero, Inc. · 2006
- Electronic keyboard35US 4,467,150 ADigital Equipment Corporation · 1984