F16F 9/0236
Characterised by having a hollow piston rod
Official title: {characterised by having a hollow piston rod}
F16F9/0236 (Characterised by having a hollow piston rod) appears on 45 US grants and 51 published applications in this corpus.
Search patents in F16F- Granted patents
- 45
- Published applications
- 51
- Assignees
- 23
- Inventors
- 63
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 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 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 2 | 7 |
| 2015 | 5 | 4 |
| 2016 | 2 | 2 |
| 2017 | 7 | 6 |
| 2018 | 2 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 3 | 6 |
| 2023 | 1 | 3 |
| 2024 | 4 | 1 |
| 2025 | 2 | 0 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vibration proofing device3 Mar 2026US 12,565,070 B2Prospira Corporation
- Gas spring and relative safety system27 Jan 2026US 12,535,118 B2Cappeller Futura Srl
- High dynamic range suspension apparatus with selective fluid pressure communication14 Oct 2025US 12,442,429 B2Vorsprung Technologies, Ltd.
- Shock adjuster19 Aug 2025US 12,392,388 B1Fox Factory, Inc.
- Adjustable suspension comprising a fluid distribution device24 Dec 2024US 12,172,728 B2
- Extractable double-tube gas spring21 May 2026US 2026/0139722 A1Yili Industrial U.S. Co., Ltd.
- Gas spring30 Apr 2026US 2026/0117837 A1
- Height-Adjustable Seatpost with Suspension Function16 Apr 2026US 2026/0103255 A1
- Vibration proofing device19 Feb 2026US 2026/0048634 A1Prospira Corporation
- Multiple Stage Air Shock15 Aug 2024US 2024/0271679 A1
Most cited
By later US patents
- Integrated and self-contained suspension assembly having an on-the-fly adjustable air spring139US 7,703,585 B2Fox Factory, Inc. · 2010
- Cylinder for artificial leg83US 5,405,407 ANabco Limited · 1995
- Integrated and self-contained suspension assembly having an on-the-fly adjustable air spring29US 7,641,028 B2Fox Factory, Inc. · 2010
- Self contained gas spring interchangeable with coil spring28US 4,741,518 A1988
- Integrated and self-contained suspension assembly having an on-the-fly adjustable air spring16US 8,752,681 B2Fox Factory, Inc. · 2014