H01H 13/52
The contact returning to its original state immediately upon removal of operating
Official title: the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
H01H13/52 (The contact returning to its original state immediately upon removal of operating) appears on 478 US grants and 474 published applications in this corpus.
Search patents in H01H- Granted patents
- 478
- Published applications
- 474
- Assignees
- 278
- Inventors
- 908
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 3 |
| 2003 | 6 | 4 |
| 2004 | 5 | 4 |
| 2005 | 1 | 1 |
| 2006 | 8 | 9 |
| 2007 | 3 | 10 |
| 2008 | 2 | 10 |
| 2009 | 11 | 17 |
| 2010 | 7 | 8 |
| 2011 | 6 | 14 |
| 2012 | 19 | 13 |
| 2013 | 8 | 31 |
| 2014 | 23 | 26 |
| 2015 | 20 | 21 |
| 2016 | 19 | 21 |
| 2017 | 36 | 45 |
| 2018 | 35 | 35 |
| 2019 | 41 | 33 |
| 2020 | 25 | 42 |
| 2021 | 39 | 34 |
| 2022 | 25 | 21 |
| 2023 | 23 | 7 |
| 2024 | 10 | 21 |
| 2025 | 8 | 15 |
| 2026 | 12 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Trigger switch22 Sep 2026US 12,744,170 B2OMRON Corporation
- Switch device15 Sep 2026US 12,738,432 B2Alps Alpine Co., Ltd.
- Balanced low travel key switch device4 Aug 2026US 12,700,555 B2Sunrex Technology Corp.
- Pressing operation body and switch device21 Jul 2026US 12,688,986 B2Alps Alpine Co., Ltd.
- ECG button assembly and electronic device14 Jul 2026US 12,683,099 B2Huawei Technologies Co., Ltd.
- Button structure24 Sep 2026US 2026/0290721 A1Cheng Uei Precision Industry Co., Ltd.
- Push-button arrangement for a gaming machine and a gaming machine17 Sep 2026US 2026/0279701 A1Oy Veikkaus Ab
- Pressing Feedback Apparatus and Method, and Electronic Device10 Sep 2026US 2026/0267419 A1Honor Device Co., Ltd.
- Balance Frame Trigger Photoelectric Conduction Mechanism Applied to Key Switch3 Sep 2026US 2026/0260826 A1Dongguan City Kaihua Electronics Co., Ltd
- Switch for firearm-mounted light23 Jul 2026US 2026/0210675 A1
Most cited
By later US patents
- Waterproof switch apparatus for electronic device217US 5,258,592 AMatsushita Electric Industrial Co., Ltd. · 1993
- Electrical switch106US 5,950,813 ATRW Inc. · 1999
- Switch device97US 7,763,819 B2Aisin Seiki Kabushiki Kaisha · 2010
- Portable apparatus and portable timepiece96US 9,105,413 B2Seiko Instruments Inc. · 2015
- Keyswitch assembly having mechanism for controlling touch of keys75US 5,382,762 ABrother Kogyo Kabushiki Kaisha · 1995