F16F 9/432
Via piston rod sealing or guiding means
Official title: {via piston rod sealing or guiding means}
F16F9/432 (Via piston rod sealing or guiding means) appears on 31 US grants and 20 published applications in this corpus.
Search patents in F16F- Granted patents
- 31
- Published applications
- 20
- Assignees
- 18
- Inventors
- 44
- Latest grant
- 3 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 5 |
| 2015 | 4 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Gas-charging and flanging machine3 May 2022US 11,318,521 B2Shenzhen New Canghai Machinery Co., Ltd
- Shock strut with integral shrink piston actuator21 Jul 2020US 10,717,520 B2Goodrich Corporation
- Gas cylinder actuator with safety device14 Apr 2020US 10,619,695 B2Special Springs S.R.L.
- Overtravel pressure relief for a gas spring7 Jan 2020US 10,527,121 B2DADCO, Inc.
- Front fork29 Oct 2019US 10,458,507 B2Kyb Motorcycle Suspension Co., Ltd.
- Motor vehicle vibration damper21 Nov 2024US 2024/0384774 A1ZF Friedrichshafen AG
- Gas-charging and flanging machine30 Jul 2020US 2020/0238364 A1Shenzhen New Canghai Machinery Co., Ltd
- Shock strut with integral shrink piston actuator23 May 2019US 2019/0152588 A1Goodrich Corporation
- Front fork26 Apr 2018US 2018/0112735 A1Kyb Motorcycle Suspension Co., Ltd.
- Overtravel relief assembly for a gas spring29 Mar 2018US 2018/0087595 A1DADCO, Inc.
Most cited
By later US patents
- Method for filling gas into gas spring24US 4,044,866 ATokico Ltd. · 1977
- Gas filling arrangement for a telescopic suspension unit15US 4,114,866 ATokico Ltd. · 1978
- Overtravel relief assembly for a gas spring10US 10,113,605 B2DADCO, Inc. · 2018
- Method for filling gas into sealed cylinder device10US 4,071,057 ATokico Ltd. · 1978
- Gas filling method for gas spring10US 4,131,139 ATokico Ltd. · 1978