H01H 21/34
Adapted for actuation at a limit or other predetermined position in the
Official title: adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
H01H21/34 (Adapted for actuation at a limit or other predetermined position in the) appears on 26 US grants and 9 published applications in this corpus.
Search patents in H01H- Granted patents
- 26
- Published applications
- 9
- Assignees
- 23
- Inventors
- 52
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control apparatus for lifting mechanism18 Nov 2025US 12,476,057 B2Zhejiang Jiecang Linear Motion Technology Co., Ltd.
- Limit switch1 Oct 2024US 12,106,913 B2OMRON Corporation
- Auto cancel mechanism for turn signal switch device13 Oct 2020US 10,800,324 B2Honda Motor Co., Ltd.
- Determining an open/close status of a barrier4 Feb 2020US 10,551,407 B2BlackBerry Limited
- Stage curtain motorized rigging limit switch14 Aug 2018US 10,049,835 B2
- Control apparatus for lifting mechanism12 Sep 2024US 2024/0304400 A1Zhejiang Jiecang Linear Motion Technology Co., Ltd.
- Limit switch16 Mar 2023US 2023/0078664 A1OMRON Corporation
- Lighted Guard System20 May 2021US 2021/0146492 A1Rockford Systems, LLC
- Auto cancel mechanism for turn signal switch device10 Sep 2020US 2020/0282900 A1Honda Motor Co., Ltd.
- Determining an open/close status of a barrier1 Feb 2018US 2018/0031604 A1BlackBerry Limited
Most cited
By later US patents
- Vehicular transmission sensor apparatus responsive to gear selection17US 5,338,907 ATexas Instruments Incorporated · 1994
- Vehicular transmission sensor apparatus responsive to gear selection14US 5,191,178 ATexas Instruments Incorporated · 1993
- Inhibitor switch having an improved bearing portion12US 5,969,313 ANiles Parts Co., Ltd. · 1999
- Safety device8US 4,138,601 AYamaha Hatsudoki Kabushiki Kaisha · 1979
- Position indicator assembly8US 5,099,092 AEaton Corporation · 1992