H01H 2235/03
Two serial springs
H01H2235/03 (Two serial springs) appears on 24 US grants and 23 published applications in this corpus.
Search patents in H01H- Granted patents
- 24
- Published applications
- 23
- Assignees
- 28
- Inventors
- 63
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Contact material for thermal fuse and thermosensitive pellet-type thermal fuse using the same25 Nov 2025US 12,482,624 B2SCHOTT Japan Corporation
- Push switch16 Apr 2024US 11,961,687 B2Alps Alpine Co., Ltd.
- Universal control button for control panel9 May 2023US 11,644,857 B2Thales
- Trigger switch25 Apr 2023US 11,636,989 B2OMRON Corporation
- Key structure9 Aug 2022US 11,410,824 B2Acer Incorporated
- Electronic device and electronic timepiece5 Mar 2026US 2026/0064085 A1Casio Computer Co., Ltd.
- Switch device and operating method thereof16 May 2024US 2024/0161986 A1
- Contact material for thermal fuse and thermosensitive pellet-type thermal fuse using the same22 Jun 2023US 2023/0197393 A1SCHOTT Japan Corporation
- Trigger switch9 Jun 2022US 2022/0181101 A1OMRON Corporation
- Universal control button for control panel27 Jan 2022US 2022/0026942 A1Thales
Most cited
By later US patents
- Push button switch75US 4,755,645 AOki Electric Industry Co., Ltd. · 1988
- Switch13US 8,759,704 B2Mitsumi Electric Co., Ltd. · 2014
- Keyboard multiple switch assembly12US 4,274,752 AInternational Business Machines Corporation · 1981
- Push-button switch12US 4,831,223 AJelco. Co., Ltd. · 1989
- Key switch10US 5,512,722 ASMK Corporation · 1996