F16F 2228/06
Stiffness
F16F2228/06 (Stiffness) appears on 682 US grants and 900 published applications in this corpus.
Search patents in F16F- Granted patents
- 682
- Published applications
- 900
- Assignees
- 372
- Inventors
- 1,535
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 5 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 1 |
| 2010 | 3 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 7 |
| 2013 | 1 | 3 |
| 2014 | 5 | 8 |
| 2015 | 7 | 21 |
| 2016 | 15 | 33 |
| 2017 | 25 | 47 |
| 2018 | 33 | 74 |
| 2019 | 62 | 91 |
| 2020 | 78 | 104 |
| 2021 | 52 | 110 |
| 2022 | 84 | 90 |
| 2023 | 89 | 104 |
| 2024 | 90 | 71 |
| 2025 | 68 | 68 |
| 2026 | 51 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Active crew seat vibration control6 Oct 2026US 12,753,823 B2Lockheed Martin Corporation
- Controlled damper with proportional valve and cross-flow bypass sleeve29 Sep 2026US 12,747,769 B2Beijingwest Industries Co., Ltd.
- Systems for damping a solar photovoltaic array tracker22 Sep 2026US 12,744,492 B2FTC Solar, Inc.
- End-stop control valves for providing progessive damping forces in vibration dampers15 Sep 2026US 12,736,103 B2thyssenkrupp AG
- Hydraulic devices including coated surfaces25 Aug 2026US 12,716,119 B2Maxterial, Inc.
- Vibration damper, motor vehicle and method for filling8 Oct 2026US 2026/0309202 A1thyssenkrupp AG
- Damper device8 Oct 2026US 2026/0309204 A1Thk Co., Ltd.
- Telescopic Tube Assembly with Idle Stroke and Integrated Damper8 Oct 2026US 2026/0309205 A1
- Compact torsional spring system1 Oct 2026US 2026/0298302 A1Massachusetts Institute of Technology
- Shock-absorber cylinder having an adjustable length and/or shock-absorbing effect1 Oct 2026US 2026/0298306 A1Airbus Operations GmbH
Most cited
By later US patents
- Automatic self-injection device555US 5,478,316 ABecton, Dickinson and Company · 1995
- Suspension damper with remotely-operable valve147US 9,239,090 B2Fox Factory, Inc. · 2016
- Integrated and self-contained suspension assembly having an on-the-fly adjustable air spring139US 7,703,585 B2Fox Factory, Inc. · 2010
- Methods and apparatus for controlling a fluid damper108US 8,955,653 B2Fox Factory, Inc. · 2015
- Cooler for a suspension damper93US 8,763,770 B2Fox Factory, Inc. · 2014