F16F 13/262
Changing geometry of passages between working and equilibration chambers
Official title: {changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length (F16F13/28 takes precedence)}
F16F13/262 (Changing geometry of passages between working and equilibration chambers) appears on 89 US grants and 53 published applications in this corpus.
Search patents in F16F- Granted patents
- 89
- Published applications
- 53
- Assignees
- 46
- Inventors
- 187
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 4 |
| 2003 | 5 | 5 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 3 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 3 |
| 2013 | 3 | 1 |
| 2014 | 0 | 2 |
| 2015 | 5 | 0 |
| 2016 | 3 | 1 |
| 2017 | 2 | 5 |
| 2018 | 2 | 1 |
| 2019 | 6 | 5 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Vibration damping system for power unit112US 4,709,779 ANissan Motor Co., Ltd. · 1987
- Two-chamber engine mount having variable disc stops and variable choke canal means51US 4,836,515 AFirma Carl Freudenberg · 1989
- Vibration isolator39US 4,877,225 ABridgestone Corporation · 1989
- Arrangement for damping through wire-drawing of a fluid and suspension system in particular of an automotive vehicle fitted with such a damping arrangement32US 5,842,688 AAutomobiles Peugeot/Automobiles Citroen · 1998
- Two chamber engine mount with hydraulic damping31US 4,681,306 AMetzeler Kautschuk GmbH · 1987