H01H 2221/072
Stroke amplification
H01H2221/072 (Stroke amplification) appears on 17 US grants and 18 published applications in this corpus.
Search patents in H01H- Granted patents
- 17
- Published applications
- 18
- Assignees
- 21
- Inventors
- 46
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Switch actuator13 May 2025US 12,300,457 B2Sensata Technologies, Inc.
- Push switch and push switch system26 Nov 2024US 12,154,731 B2Alps Alpine Co., Ltd.
- Push switch device26 Mar 2024US 11,942,284 B2OMRON Corporation
- Vacuum circuit interrupter with piezoelectric actuator and vacuum circuit breaker incorporating same15 Feb 2022US 11,251,004 B2Camlin Technologies Limited
- Electronic switch and remote control device including electronic switch2 Mar 2021US 10,937,607 B2Citizen Electronics Co., Ltd.
- Switch actuator20 Apr 2023US 2023/0123429 A1Sensata Technologies, Inc.
- Push switch and push switch system23 Mar 2023US 2023/0086523 A1Alps Alpine Co., Ltd.
- Switch device13 Oct 2022US 2022/0328264 A1OMRON Corporation
- Electronic switch and remote control device including electronic switch20 Aug 2020US 2020/0266011 A1Citizen Electronics Co., Ltd.
- Vacuum circuit interrupter with piezoelectric actuator and vacuum circuit breaker incorporating same27 Jun 2019US 2019/0198271 A1Camlin Technologies Limited
Most cited
By later US patents
- Push-button switch and a keyboard comprising the same27US 4,529,849 AFujitsu Limited · 1985
- Linear motion compensator15US 7,232,965 B2Square D Company · 2007
- Compound operation input device8US 8,039,767 B2Hosiden Corporation · 2011
- Electronic touch pad key assembly with stroke amplifier7US 4,594,481 AGeneral Electric Company · 1986
- Key module for key-actuated membrane switch panels6US 4,800,245 ACherry Mikroschalter GmbH · 1989