H01H 35/00
Switches operated by change of a physical condition
Official title: Switches operated by change of a physical condition (operated by change of magnetic or electric field H01H36/00; thermally-actuated switches H01H37/00)
H01H35/00 (Switches operated by change of a physical condition) appears on 2,267 US grants and 943 published applications in this corpus.
Search patents in H01H- Granted patents
- 2,267
- Published applications
- 943
- Assignees
- 956
- Inventors
- 3,177
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 60 | 0 |
| 1977 | 61 | 0 |
| 1978 | 60 | 0 |
| 1979 | 32 | 0 |
| 1980 | 58 | 0 |
| 1981 | 57 | 0 |
| 1982 | 53 | 0 |
| 1983 | 35 | 0 |
| 1984 | 41 | 0 |
| 1985 | 48 | 0 |
| 1986 | 48 | 0 |
| 1987 | 63 | 0 |
| 1988 | 56 | 0 |
| 1989 | 55 | 0 |
| 1990 | 67 | 0 |
| 1991 | 69 | 0 |
| 1992 | 76 | 0 |
| 1993 | 61 | 0 |
| 1994 | 66 | 0 |
| 1995 | 46 | 0 |
| 1996 | 36 | 0 |
| 1997 | 38 | 0 |
| 1998 | 57 | 0 |
| 1999 | 46 | 0 |
| 2000 | 39 | 0 |
| 2001 | 44 | 5 |
| 2002 | 46 | 27 |
| 2003 | 44 | 36 |
| 2004 | 38 | 26 |
| 2005 | 21 | 34 |
| 2006 | 40 | 33 |
| 2007 | 30 | 46 |
| 2008 | 44 | 37 |
| 2009 | 31 | 48 |
| 2010 | 30 | 46 |
| 2011 | 36 | 39 |
| 2012 | 38 | 35 |
| 2013 | 30 | 55 |
| 2014 | 36 | 43 |
| 2015 | 48 | 42 |
| 2016 | 48 | 41 |
| 2017 | 34 | 45 |
| 2018 | 48 | 53 |
| 2019 | 49 | 61 |
| 2020 | 47 | 38 |
| 2021 | 36 | 39 |
| 2022 | 31 | 32 |
| 2023 | 30 | 30 |
| 2024 | 24 | 25 |
| 2025 | 29 | 18 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 35/24Switches operated by change of fluid pressure, by fluid pressure waves, or951
- H01H 35/14Switches operated by change of acceleration629
- H01H 35/02Switches operated by change of position, inclination or orientation of the switch249
- H01H 35/18Switches operated by change of liquid level or of liquid density212
- H01H 35/06Switches operated by change of speed107
- H01H 35/006Switches operated by mechanical overload condition68
- H01H 35/42Switches operated by change of humidity59
- H01H 35/003Switches operated by other part of human body than hands10
Recent patents
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- Sensor assemblies utilizing a one-piece thermal isolated fitting tube and methods of assembling the same16 Jun 2026US 12,658,388 B2Sensata Technologies, Inc.
- Centrifugal switch activated device26 May 2026US 12,641,736 B2
- Centrifugal switch activated device10 Sep 2026US 2026/0271199 A1
- Simulation verification method and apparatus for gas density relay27 Aug 2026US 2026/0251713 A1Shanghai Roye Electric Co., Ltd.
- Welding-type systems using fluid sensors with bond resisting substances27 Aug 2026US 2026/0255500 A1Illinois Tool Works Inc.
- Limit detection system and limit detection method16 Jul 2026US 2026/0202575 A1Kabushiki Kaisha Toshiba
- Reed switch unit16 Jul 2026US 2026/0204501 A1Sumitomo Wiring Systems, Ltd.
Most cited
By later US patents
- Force switch1,496US 7,479,608 B2Ethicon Endo-Surgery, Inc. · 2009
- Force switch1,492US 7,714,239 B2Ethicon Endo-Surgery, Inc. · 2010
- Force switch1,429US 8,269,121 B2Ethicon Endo-Surgery, Inc. · 2012
- Active braking electrical surgical instrument and method for braking such an instrument1,413US 8,627,993 B2Ethicon Endo-Surgery, Inc. · 2014
- Video game control unit and attitude sensor571US 4,817,950 A1989