Y10T 137/7783
Valve closes in responses to reverse flow
Y10T137/7783 (Valve closes in responses to reverse flow) appears on 82 US grants and 29 published applications in this corpus.
Search patents in Y10T- Granted patents
- 82
- Published applications
- 29
- Assignees
- 55
- Inventors
- 115
- Latest grant
- 29 Aug 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 4 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 3 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 8 |
| 2011 | 1 | 2 |
| 2012 | 4 | 1 |
| 2013 | 4 | 1 |
| 2014 | 4 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reverse flow relief valve for a fuel cell system29 Aug 2017US 9,748,588 B2Intelligent Energy Limited
- Backflow and flow rate control valve29 Dec 2015US 9,223,316 B2Schlumberger Technology Corporation
- Automated data delivery systems11 Nov 2014US 8,886,757 B2Automated Business Companies
- Passive overpressure and underpressure protection for a cryogen vessel2 Sep 2014US 8,820,347 B2Siemens Aktiengesellschaft
- Fluid pressure regulation apparatus and fuel supply apparatus15 Apr 2014US 8,695,571 B2Toyota Jidosha Kabushiki Kaisha
- Reverse flow relief valve for a fuel cell system9 Jan 2014US 2014/0011105 A1Intelligent Energy Limited
- Automated data delivery systems16 May 2013US 2013/0125015 A1Automated Business Companies
- Fluid pressure regulation apparatus and fuel supply apparatus13 Dec 2012US 2012/0312395 A1Toyota Jidosha Kabushiki Kaisha
- Drill String Valve and Method5 May 2011US 2011/0100471 A1Hydril USA Manufacturing LLC
- Fuel cell system10 Feb 2011US 2011/0033763 A1Intelligent Energy Limited
Most cited
By later US patents
- Check valve104US 4,141,379 ACutter Laboratories, Inc. · 1979
- Water flow control device100US 6,681,418 B12004
- Valving connector and ink handling system for thermal ink-jet printbar92US 5,691,753 AXerox Corporation · 1997
- Pressure regulator for endotracheal tube cuff or the like66US 4,159,722 ASherwood Medical Industries Inc. · 1979
- Exhalation valve assembly65US 4,241,756 AC. R. Bard, Inc. · 1980