H01H 2021/287
With adjustable head
Official title: {with adjustable head, e.g. the actuator head can have different positions in relation to the limit switch itself}
H01H2021/287 (With adjustable head) appears on 12 US grants and 9 published applications in this corpus.
Search patents in H01H- Granted patents
- 12
- Published applications
- 9
- Assignees
- 10
- Inventors
- 30
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Limit switch19 May 2026US 12,633,476 B2OMRON Corporation
- Sensing device for sensing the position of a movable object2 Jan 2024US 11,862,413 B2Framatome
- Limit switch31 Aug 2021US 11,107,650 B2OMRON Corporation
- Limit switch6 Jul 2021US 11,056,295 B2OMRON Corporation
- Limit switch18 May 2021US 11,011,331 B2OMRON Corporation
- System and method for fault-tolerant end of travel detection for greater than 360 degree motion26 Jun 2025US 2025/0205904 A1Macdonald, Dettwiler and Associates Inc.
- Limit switch28 Mar 2024US 2024/0105406 A1OMRON Corporation
- Sensing device for sensing the position of a movable object23 Mar 2023US 2023/0091585 A1Framatome
- Limit switch28 Jan 2021US 2021/0027958 A1OMRON Corporation
- Limit switch31 Dec 2020US 2020/0411258 A1OMRON Corporation
Most cited
By later US patents
- Neutral position limit switch lever head11US 4,406,933 ASquare D Company · 1983
- Limit switch8US 4,133,991 AMatsushita Electric Works, Ltd. · 1979
- Limit switch lever6US 5,486,661 AEaton Corporation · 1996
- Switch, particularly position switch, with a multi-directional head6US 6,627,827 B2Schneider Electric Industries SAS · 2003
- Position sensor with directing mechanism1US 6,518,522 B1Crouzet Automatismes · 2003