Y10T 137/7739
Pop closing valves
Y10T137/7739 (Pop closing valves) appears on 9 US grants and 8 published applications in this corpus.
Search patents in Y10T- Granted patents
- 9
- Published applications
- 8
- Assignees
- 9
- Inventors
- 17
- Latest grant
- 8 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Bleed valves8 Dec 2020US 10,859,178 B2Hamilton Sundstrand Corporation
- Reverse flow relief valve for a fuel cell system29 Aug 2017US 9,748,588 B2Intelligent Energy Limited
- Relief valve15 Aug 2017US 9,732,867 B2Halkey-Roberts Corporation
- High pressure relief valve flow disruptor24 May 2016US 9,347,575 B2Hamilton Sundstrand Corporation
- Fuel cell system and reverse flow relief valve15 Oct 2013US 8,557,454 B2Intelligent Energy Limited
- Bleed valves28 Nov 2019US 2019/0360598 A1Hamilton Sundstrand Corporation
- High pressure relief valve flow disruptor8 Oct 2015US 2015/0285391 A1Hamilton Sundstrand Corporation
- Relief Valve23 Oct 2014US 2014/0311593 A1Halkey-Roberts Corporation
- Reverse flow relief valve for a fuel cell system9 Jan 2014US 2014/0011105 A1Intelligent Energy Limited
- Fuel cell system10 Feb 2011US 2011/0033763 A1Intelligent Energy Limited
Most cited
By later US patents
- Temperature responsive line valve106US 4,778,104 AMemory Metals, Inc. · 1988
- Vacuum-control valve for milking systems6US 4,955,408 AWestfalia Separator AG · 1990
- Relief valve3US 9,732,867 B2Halkey-Roberts Corporation · 2017
- Bleed valves2US 10,859,178 B2Hamilton Sundstrand Corporation · 2020
- Pressure limiting valve1US 8,047,227 B2Robert Bosch GmbH · 2011