B61G 9/16
With fluid springs or fluid shock-absorbers
Official title: with fluid springs or fluid shock-absorbers; Combinations thereof
B61G9/16 (With fluid springs or fluid shock-absorbers) appears on 11 US grants and 1 published applications in this corpus.
Search patents in B61G- Granted patents
- 11
- Published applications
- 1
- Assignees
- 8
- Inventors
- 15
- Latest grant
- 19 Feb 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for damping tractive and compressive forces19 Feb 2013US 8,376,159 B2Voith Patent GmbH
- Single acting sliding sill cushioning unit3 Sep 1996US 5,551,581 AFM Industries, Inc.
- Buffer14 Nov 1995US 5,465,944 AOleo International Holdings Limited
- Rail car double acting piston shock absorber14 Feb 1995US 5,388,711 AF M Industries, Inc.
- Repair of railway cushioning apparatus3 May 1988US 4,741,085 AHalliburton Company
Most cited
By later US patents
- Energy absorbers13US 4,660,687 AOleo International Holding Limited · 1987
- Rail car double acting piston shock absorber10US 5,388,711 AF M Industries, Inc. · 1995
- Device for damping tractive and compressive forces10US 8,376,159 B2Voith Patent GmbH · 2013
- Railway cushioning apparatus6US 4,739,889 AHalliburton Company · 1988
- Buffer5US 5,465,944 AOleo International Holdings Limited · 1995