H01H 36/0046
Limit switches, also fail-safe operation or anti-tamper considerations
Official title: {Limit switches, also fail-safe operation or anti-tamper considerations}
H01H36/0046 (Limit switches, also fail-safe operation or anti-tamper considerations) appears on 163 US grants and 102 published applications in this corpus.
Search patents in H01H- Granted patents
- 163
- Published applications
- 102
- Assignees
- 113
- Inventors
- 259
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 7 |
| 2003 | 2 | 6 |
| 2004 | 5 | 7 |
| 2005 | 5 | 5 |
| 2006 | 6 | 5 |
| 2007 | 8 | 9 |
| 2008 | 2 | 3 |
| 2009 | 2 | 7 |
| 2010 | 3 | 7 |
| 2011 | 4 | 1 |
| 2012 | 5 | 4 |
| 2013 | 3 | 2 |
| 2014 | 4 | 3 |
| 2015 | 4 | 3 |
| 2016 | 2 | 2 |
| 2017 | 5 | 5 |
| 2018 | 4 | 7 |
| 2019 | 8 | 4 |
| 2020 | 4 | 2 |
| 2021 | 5 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 5 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotation angle detection sensor2 Jul 2024US 12,027,330 B2Nippon Aleph Corporation
- Electronic apparatus, non-contact switch, and photoelectric sensor25 Jun 2024US 12,020,888 B2OMRON Corporation
- Reed switch assembly and refrigerator4 Jun 2024US 12,000,650 B2LG Electronics Inc.
- Transformer comprising a load break rotary switch23 Jan 2024US 11,881,372 B2Hitachi Energy Ltd
- Sensing device for sensing the position of a movable object2 Jan 2024US 11,862,413 B2Framatome
- Reed switch unit16 Jul 2026US 2026/0204501 A1Sumitomo Wiring Systems, Ltd.
- Limit switch and associated method26 Mar 2026US 2026/0088237 A1Honeywell International Inc.
- Directed activation reed sensor18 Dec 2025US 2025/0383411 A1Dongguan Littelfuse Electronics Company Limited
- Security device with magnet array17 Apr 2025US 2025/0125109 A1
- Transformer comprising a load break rotary switch2 Nov 2023US 2023/0352251 A1Hitachi Energy Switzerland AG
Most cited
By later US patents
- Surgical robotic tools, data architecture, and use2,959US 6,331,181 B1Intuitive Surgical, Inc. · 2001
- Mechanical actuator interface system for robotic surgical tools2,625US 6,491,701 B2Intuitive Surgical, Inc. · 2002
- Mechanical actuator interface system for robotic surgical tools2,486US 7,524,320 B2Intuitive Surgical, Inc. · 2009
- Surgical robotic tools, data architecture, and use2,161US 6,866,671 B2Intuitive Surgical, Inc. · 2005
- Surgical robotic tools, data architecture, and use1,817US 7,048,745 B2Intuitive Surgical, Inc. · 2006