F16F 9/364
Of multi-tube dampers
Official title: {of multi-tube dampers}
F16F9/364 (Of multi-tube dampers) appears on 73 US grants and 27 published applications in this corpus.
Search patents in F16F- Granted patents
- 73
- Published applications
- 27
- Assignees
- 39
- Inventors
- 138
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 6 |
| 2022 | 3 | 3 |
| 2023 | 3 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Shock absorber18 Mar 2025US 12,252,210 B2Hitachi Astemo, Ltd.
- Shock absorber12 Mar 2024US 11,927,241 B2Hitachi Astemo, Ltd.
- Shock absorber12 Mar 2024US 11,927,243 B2Hitachi Astemo, Ltd.
- Hydraulic vibration damper having a rebound stop and a compression stop3 Oct 2023US 11,773,941 B2thyssenkrupp AG
- Vibration damper, and motor vehicle with a vibration damper of this type23 May 2023US 11,655,874 B2thyssenkrupp AG
- Oil seal assembly and shock absorber20 Nov 2025US 2025/0354593 A1
- Motor vehicle vibration damper21 Nov 2024US 2024/0384774 A1ZF Friedrichshafen AG
- Shock absorber19 May 2022US 2022/0154797 A1Hitachi Astemo, Ltd.
- Production method for cylinder device28 Apr 2022US 2022/0126406 A1Hitachi Astemo, Ltd.
- System center/inner tube with o-ring seal24 Feb 2022US 2022/0056977 A1thyssenkrupp AG
Most cited
By later US patents
- Pneumatic spring and strut assembly54US 4,555,096 AFord Motor Company · 1985
- Cylinder piston rod unit29US 4,987,826 AFichtel & Sachs AG · 1991
- Control valve for shock absorbers29US 5,363,945 AMonroe Auto Equipment Company · 1994
- Hydraulic shock absorber with piston seal structure for enhancement of initial response27US 5,115,892 AAtsugi Unisia Corporation · 1992
- Hydraulic shock absorber for vehicles26US 4,166,523 AHonda Giken Kogyo Kabushiki Kaisha · 1979