H01H 21/24
Biased to return to normal position upon removal of operating force
Official title: biased to return to normal position upon removal of operating force
H01H21/24 (Biased to return to normal position upon removal of operating force) appears on 377 US grants and 293 published applications in this corpus.
Search patents in H01H- Granted patents
- 377
- Published applications
- 293
- Assignees
- 246
- Inventors
- 685
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 2 |
| 2002 | 7 | 5 |
| 2003 | 10 | 11 |
| 2004 | 11 | 7 |
| 2005 | 14 | 17 |
| 2006 | 18 | 22 |
| 2007 | 9 | 14 |
| 2008 | 6 | 10 |
| 2009 | 5 | 14 |
| 2010 | 5 | 8 |
| 2011 | 11 | 7 |
| 2012 | 6 | 5 |
| 2013 | 4 | 8 |
| 2014 | 6 | 9 |
| 2015 | 10 | 22 |
| 2016 | 19 | 15 |
| 2017 | 8 | 9 |
| 2018 | 14 | 18 |
| 2019 | 14 | 13 |
| 2020 | 13 | 24 |
| 2021 | 28 | 21 |
| 2022 | 15 | 7 |
| 2023 | 10 | 9 |
| 2024 | 10 | 8 |
| 2025 | 4 | 3 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Trigger activated tools having activation lockouts2 Jun 2026US 12,646,662 B2Hubbell Incorporated
- Limit switch19 May 2026US 12,633,476 B2OMRON Corporation
- Combining electropermanent magnets and magnetorheological fluid to modify an operation of an input device21 Apr 2026US 12,608,088 B2Logitech Europe S. A.
- Vehicle door switch actuating apparatus with a large actuating surface10 Mar 2026US 12,573,569 B2Illinois Tool Works Inc.
- Input apparatus for a games console25 Nov 2025US 12,478,865 B2
- Limit switch17 Sep 2026US 2026/0279703 A1OMRON Corporation
- Switching system23 Jul 2026US 2026/0208819 A1
- Input device23 Jul 2026US 2026/0213093 A1Alps Alpine Co., Ltd.
- Actuating mechanism for a power circuit-breaker and power circuit-breaker23 Jul 2026US 2026/0213096 A1Eaton Intelligent Power Limited
- Button structure11 Jun 2026US 2026/0162916 A1Cheng Uei Precision Industry Co., Ltd.
Most cited
By later US patents
- Switch device158US 6,800,825 B1Alps Electric Co., Ltd. · 2004
- Foot-operated control157US 4,965,417 A1990
- Surgical foot pedal control including ribbon switch arrangement124US 6,452,123 B1Advanced Medical Optics, Inc. · 2002
- Dual dimensional shoe sensor and foot pedal operated switch for surgical control121US 6,452,120 B1Advanced Medical Optics, Inc. · 2002
- Back-flip medical footpedal85US 6,150,623 AAllergan, Inc. · 2000