H01H 2235/00
Springs
H01H2235/00 (Springs) appears on 569 US grants and 585 published applications in this corpus.
Search patents in H01H- Granted patents
- 569
- Published applications
- 585
- Assignees
- 305
- Inventors
- 1,277
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 3 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 3 |
| 2009 | 3 | 8 |
| 2010 | 3 | 13 |
| 2011 | 2 | 12 |
| 2012 | 14 | 10 |
| 2013 | 7 | 12 |
| 2014 | 9 | 19 |
| 2015 | 11 | 67 |
| 2016 | 38 | 63 |
| 2017 | 77 | 82 |
| 2018 | 85 | 95 |
| 2019 | 90 | 53 |
| 2020 | 54 | 37 |
| 2021 | 36 | 19 |
| 2022 | 23 | 27 |
| 2023 | 22 | 18 |
| 2024 | 20 | 12 |
| 2025 | 8 | 6 |
| 2026 | 2 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 2235/01Spiral springIndexing code341
- H01H 2235/018Spring seatIndexing code55
- H01H 2235/002Linear coil spring combined with dome springIndexing code28
- H01H 2235/004Two parallel coil springsIndexing code27
- H01H 2235/022Actuating strikerIndexing code27
- H01H 2235/028Blade springIndexing code27
- H01H 2235/03Two serial springsIndexing code24
- H01H 2235/016PreloadingIndexing code18
Recent patents
- Control devices having independently suspended buttons for controlled actuation7 Jul 2026US 12,676,267 B2Lutron Technology Company LLC
- Key structure for keyboard17 Mar 2026US 12,580,140 B2Voyetra Turtle Beach, Inc.
- Contact material for thermal fuse and thermosensitive pellet-type thermal fuse using the same25 Nov 2025US 12,482,624 B2SCHOTT Japan Corporation
- Computer input device21 Oct 2025US 12,451,304 B2Elasto Lc
- Key device8 Jul 2025US 12,354,814 B2Maintek Computer (Suzhou) Co., Ltd.
- Control devices having independently suspended buttons for controlled actuation8 Oct 2026US 2026/0311942 A1Lutron Technology Company LLC
- Battery configuration contactor assembly13 Aug 2026US 2026/0237572 A1Sensata Technologies, Inc.
- Key structure6 Aug 2026US 2026/0229426 A1Darfon Electronics Corp.
- Insulation rod and switch23 Jul 2026US 2026/0213086 A1Mitsubishi Electric Corporation
- Electrical contactor comprising a spring for rapidly driving contacts18 Jun 2026US 2026/0171339 A1Safran Electrical & Power
Most cited
By later US patents
- Force switch1,496US 7,479,608 B2Ethicon Endo-Surgery, Inc. · 2009
- Force switch1,492US 7,714,239 B2Ethicon Endo-Surgery, Inc. · 2010
- Force switch1,429US 8,269,121 B2Ethicon Endo-Surgery, Inc. · 2012
- Active braking electrical surgical instrument and method for braking such an instrument1,413US 8,627,993 B2Ethicon Endo-Surgery, Inc. · 2014
- Adapter assemblies for interconnecting surgical loading units and handle assemblies848US 10,163,589 B2Covidien LP · 2018