F16F 5/00
Liquid springs in which the liquid works as a spring by compression
Official title: Liquid springs in which the liquid works as a spring by compression, e.g. combined with throttling action; Combinations of devices including liquid springs {(dampers with solid or semi-solid material F16F9/30)}
F16F5/00 (Liquid springs in which the liquid works as a spring by compression) appears on 88 US grants and 36 published applications in this corpus.
Search patents in F16F- Granted patents
- 88
- Published applications
- 36
- Assignees
- 54
- Inventors
- 115
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 9 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 3 | 6 |
| 2004 | 3 | 1 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 3 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impact absorption elements, systems, and methods of use6 Oct 2026US 12,753,820 B2
- Footwear or orthotic sole with microprocessor control of a structural or support element with magnetorheological fluid6 May 2025US 12,290,134 B2
- Torsional vibration damper11 Mar 2025US 12,247,636 B2
- Device for damping the vibrations of a spindle of a machine tool, which spindle rotates about an axis of rotation7 Jan 2025US 12,186,850 B2Präwema Antriebstechnik GmbH
- Foam actuators18 Jun 2024US 12,011,516 B2Cornell University
- Hydraulic mount23 Apr 2026US 2026/0110347 A1Hyundai Motor Company
- Torsional Vibration Damper26 Sep 2024US 2024/0318704 A1Hasse & Wrede GmbH
- Footwear or orthotic sole with microprocessor control of a structural or support element with magnetorheological fluid22 Jun 2023US 2023/0189922 A1
- Impact Absorption Elements, Systems, and Methods of Use2 Mar 2023US 2023/0063721 A1
- Temperature compensated shock absorber14 Jul 2022US 2022/0221021 A1Safran Landing Systems Canada Inc.
Most cited
By later US patents
- Control system for a vehicle suspension155US 6,389,341 B1Davis Family Irrevocable Trust · 2002
- Dual piston strut152US 5,152,547 A1992
- Compressible liquid vibration control system116US 6,293,530 B1Liquidspring Technologies, Inc. · 2001
- Shock-absorbing units interconnectable to form shock-absorbing structures84US 5,238,231 A1993
- Shock strut with managed damping and force characteristics69US 6,120,009 AThe Boeing Company · 2000