F16F 9/48
Arrangements for providing different damping effects at different parts of the stroke
Official title: Arrangements for providing different damping effects at different parts of the stroke ({F16F9/346, F16F9/516} , F16F9/53 take precedence)
F16F9/48 (Arrangements for providing different damping effects at different parts of the stroke) appears on 586 US grants and 476 published applications in this corpus.
Search patents in F16F- Granted patents
- 586
- Published applications
- 476
- Assignees
- 296
- Inventors
- 954
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 14 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 2 |
| 2002 | 13 | 10 |
| 2003 | 9 | 10 |
| 2004 | 10 | 12 |
| 2005 | 8 | 7 |
| 2006 | 7 | 15 |
| 2007 | 6 | 11 |
| 2008 | 9 | 10 |
| 2009 | 4 | 12 |
| 2010 | 3 | 8 |
| 2011 | 2 | 12 |
| 2012 | 10 | 16 |
| 2013 | 10 | 14 |
| 2014 | 13 | 16 |
| 2015 | 19 | 20 |
| 2016 | 16 | 26 |
| 2017 | 25 | 29 |
| 2018 | 23 | 25 |
| 2019 | 20 | 37 |
| 2020 | 36 | 22 |
| 2021 | 26 | 35 |
| 2022 | 28 | 34 |
| 2023 | 29 | 27 |
| 2024 | 23 | 28 |
| 2025 | 19 | 19 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Electronically controlled internal damper4 Aug 2026US 12,698,817 B2Hl Mando Corporation
- Damper14 Jul 2026US 12,680,592 B2öHlins Group AB
- Damper limiting system16 Jun 2026US 12,655,884 B2thyssenkrupp AG
- Vibration damper for a motor vehicle8 Oct 2026US 2026/0309203 A1thyssenkrupp AG
- Shock absorbing device and suspension device17 Sep 2026US 2026/0276053 A1Astemo, Ltd.
- Railway damper valve assembly, and railway damper comprising such a railway damper valve assembly30 Jul 2026US 2026/0217288 A1Dellner Dampers AB
- Progressive end-stop control valves for vibration dampers30 Jul 2026US 2026/0218772 A1thyssenkrupp AG
- Hydraulic damper30 Jul 2026US 2026/0218773 A1Beijingwest Industries Co., Ltd.
Most cited
By later US patents
- Position-sensitive shock absorber199US 6,296,092 B1Fox Factory, Inc. · 2001
- Position dependent damper for a vehicle suspension system193US 8,801,017 B2Oshkosh Corporation · 2014
- Position-sensitive shock absorber184US 6,415,895 B2Fox Factory, Inc. · 2002
- Position dependent damper for a vehicle suspension system154US 9,291,230 B2Oshkosh Defense, LLC · 2016
- Position dependent damper for a vehicle suspension system139US 9,809,080 B2Oshkosh Defense, LLC · 2017