F16F 13/20
Characterised by comprising also a pneumatic spring
Official title: characterised by comprising also a pneumatic spring (F16F13/22, {F16F13/26} take precedence)
F16F13/20 (Characterised by comprising also a pneumatic spring) appears on 77 US grants and 33 published applications in this corpus.
Search patents in F16F- Granted patents
- 77
- Published applications
- 33
- Assignees
- 49
- Inventors
- 138
- Latest grant
- 10 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 4 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 7 |
| 2016 | 5 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Anti-vibration device10 Dec 2019US 10,502,279 B2Bridgestone Corporation
- Mounting assemblies and systems including same21 May 2019US 10,295,009 B2Firestone Industrial Products Company, LLC
- Engine mount15 Jan 2019US 10,180,173 B2Hyundai Motor Company
- Viscous isolator with air spring4 Dec 2018US 10,145,441 B2XCMG American Research Corporation
- Hydraulic engine mount with two channels24 Jul 2018US 10,029,553 B2Dtr Co., Ltd.
- Heat exchanger12 Mar 2020US 2020/0079183 A1DENSO International America, Inc.
- Anti-vibration device23 Aug 2018US 2018/0238414 A1Bridgestone Corporation
- Hydraulic engine mount with two channels1 Mar 2018US 2018/0056771 A1Dtr Co., Ltd.
- Viscous isolator with air spring21 Dec 2017US 2017/0363172 A1XCMG American Research Corporation
- Engine mount1 Jun 2017US 2017/0152911 A1Hyundai Motor Company
Most cited
By later US patents
- Flexible column viscous spring damper49US 4,401,298 AImperial Clevite Inc. · 1983
- Viscous spring damper46US 4,416,445 AImperial Clevite Inc. · 1983
- Vehicle engine mount45US 5,176,368 ATRW Inc. · 1993
- Vibration isolating apparatus41US 4,728,086 ABridgestone Corporation · 1988
- Vibration insulating device with flexible diaphragm between radially outer gas chamber and radially inner liquid chamber34US 4,790,520 ABridgestone Corporation · 1988