F16F 1/322
Snap-action springs
Official title: {Snap-action springs}
F16F1/322 (Snap-action springs) appears on 6 US grants and 3 published applications in this corpus.
Search patents in F16F- Granted patents
- 6
- Published applications
- 3
- Assignees
- 6
- Inventors
- 14
- Latest grant
- 17 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Activation mechanism for a battery for an electronic ignition mechanism and a battery17 May 2022US 11,335,915 B2Diehl & Eagle Picher GmbH
- Methods to dynamically alter the stiffness of nonlinear structures24 Sep 2019US 10,422,397 B1HRL Laboratories, LLC
- Concealed fire sprinkler10 Oct 2017US 9,782,614 B2Protector Safety Ind., Ltd.
- Spring strut for vehicles20 Jun 2000US 6,076,814 AMannesmann Sachs AG
- Snap spring positioning device14 Dec 1993US 5,269,499 A
- Bistable cells and inflatable membranes including bistable cells7 Aug 2025US 2025/0250968 A1Toyota Jidosha Kabushiki Kaisha
- Activation mechanism for a battery for an electronic ignition mechanism and a battery17 Dec 2020US 2020/0395620 A1Diehl & Eagle Picher GmbH
- Concealed fire sprinkler6 Apr 2017US 2017/0095683 A1Protector Safety Ind., Ltd.
Most cited
By later US patents
- Piezoelectric fuel injector valve21US 3,995,813 A1976
- Concealed fire sprinkler21US 9,782,614 B2Protector Safety Ind., Ltd. · 2017
- Snap spring positioning device17US 5,269,499 A1993
- Spring strut for vehicles14US 6,076,814 AMannesmann Sachs AG · 2000
- Methods to dynamically alter the stiffness of nonlinear structures4US 10,422,397 B1HRL Laboratories, LLC · 2019