H01H 36/00
Switches actuated by change of magnetic field or of electric field
Official title: Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
H01H36/00 (Switches actuated by change of magnetic field or of electric field) appears on 1,110 US grants and 805 published applications in this corpus.
Search patents in H01H- Granted patents
- 1,110
- Published applications
- 805
- Assignees
- 670
- Inventors
- 2,057
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 15 | 0 |
| 1978 | 21 | 0 |
| 1979 | 11 | 0 |
| 1980 | 16 | 0 |
| 1981 | 14 | 0 |
| 1982 | 19 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 16 | 0 |
| 1987 | 15 | 0 |
| 1988 | 14 | 0 |
| 1989 | 15 | 0 |
| 1990 | 16 | 0 |
| 1991 | 24 | 0 |
| 1992 | 12 | 0 |
| 1993 | 20 | 0 |
| 1994 | 14 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 17 | 0 |
| 1998 | 14 | 0 |
| 1999 | 24 | 0 |
| 2000 | 26 | 0 |
| 2001 | 17 | 1 |
| 2002 | 17 | 21 |
| 2003 | 18 | 19 |
| 2004 | 25 | 29 |
| 2005 | 16 | 24 |
| 2006 | 18 | 26 |
| 2007 | 23 | 29 |
| 2008 | 13 | 21 |
| 2009 | 16 | 35 |
| 2010 | 21 | 32 |
| 2011 | 20 | 22 |
| 2012 | 28 | 23 |
| 2013 | 19 | 37 |
| 2014 | 35 | 31 |
| 2015 | 34 | 33 |
| 2016 | 25 | 29 |
| 2017 | 39 | 40 |
| 2018 | 32 | 57 |
| 2019 | 51 | 48 |
| 2020 | 42 | 53 |
| 2021 | 34 | 29 |
| 2022 | 42 | 37 |
| 2023 | 33 | 36 |
| 2024 | 44 | 35 |
| 2025 | 24 | 34 |
| 2026 | 19 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 36/0006Permanent magnet actuating reed switches559
- H01H 36/02Actuated by movement of a float carrying a magnet186
- H01H 36/0073Actuated by relative movement between two magnets149
- H01H 36/008Change of magnetic field wherein the magnet and switch are fixed59
- H01H 2036/0093Micromechanical switches actuated by a change of the magnetic fieldIndexing code42
- H01H 2036/0086Movable or fixed contacts formed by permanent magnetsIndexing code34
Recent patents
- Magnet removal and replacement apparatus and methods for use with cochlear implants6 Oct 2026US 12,752,113 B2Advanced Bionics AG
- Power tool and switch device thereof15 Sep 2026US 12,738,434 B2Delta Electronics, Inc.
- Input device25 Aug 2026US 12,719,000 B2Mitsubishi Electric Corporation
- Switch and electronic device25 Aug 2026US 12,719,001 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Input device18 Aug 2026US 12,712,546 B2Alps Alpine Co., Ltd.
- Oil Level Sensing and Fault Detection8 Oct 2026US 2026/0309537 A1Textron Aviation Inc.
- Reed sensor with wrap-back switch design1 Oct 2026US 2026/0302109 A1Dongguan Littelfuse Electronics Company Limited
- Underwater tensile rope stress detection system17 Sep 2026US 2026/0279706 A1University of Massachusetts
- Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece27 Aug 2026US 2026/0253824 A1Magswitch Automation Company
- Electrostatic-sensing input device6 Aug 2026US 2026/0227878 A1Alps Alpine Co., Ltd.
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