H01H 2235/028
Blade spring
H01H2235/028 (Blade spring) appears on 27 US grants and 36 published applications in this corpus.
Search patents in H01H- Granted patents
- 27
- Published applications
- 36
- Assignees
- 37
- Inventors
- 97
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 5 |
| 2016 | 2 | 4 |
| 2017 | 7 | 3 |
| 2018 | 2 | 0 |
| 2019 | 2 | 3 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Keyboard button with a thin sheet spring design12 Mar 2024US 11,929,216 B1Dell Products L. P.
- Key switch22 Aug 2023US 11,735,376 B2PIAGGIO & C. S. p. A.
- Keyboard key having a haptic elastic piece abutting the return spring15 Dec 2020US 10,867,762 B2Lite-On Electronics (Guangzhou) Limited
- Electric control mechanism, and an aircraft17 Nov 2020US 10,840,040 B2Airbus Helicopters
- Travel switch with high-safety lever structure17 Dec 2019US 10,510,498 B2Albert Chi Man Ao
- Electronic device and electronic timepiece5 Mar 2026US 2026/0064085 A1Casio Computer Co., Ltd.
- Microswitch Capable of Switching Between Sound State and Silent State18 Dec 2025US 2025/0385058 A1Dongguan City Kaihua Electronics Co., Ltd
- Improved key structure for keyboard20 Feb 2025US 2025/0062088 A1Voyetra Turtle Beach, Inc.
- Control module for an electronic device adapted to withstand shocks13 Jun 2024US 2024/0194431 A1ETA SA Manufacture Horlogere Suisse
- Key switch15 Sep 2022US 2022/0293351 A1PIAGGIO & C. S. p. A.
Most cited
By later US patents
- Dual load control device48US 8,289,716 B2Leviton Manufacturing Co., Inc. · 2012
- Control button having a single return spring for multiple buttons11US 8,237,069 B2Lutron Electronics Co., Inc. · 2012
- Electrical switch having a variable return force9US 7,442,894 B2Coactive Technologies, Inc. · 2008
- Electronic device with push button6US 8,598,479 B2Hon Hai Precision Industry Co., Ltd. · 2013
- Side button structure for electronic device4US 8,633,411 B2FIH (Hong Kong) Limited · 2014