F16K 17/192
With closure member in the form of a movable liquid column
Official title: with closure member in the form of a movable liquid column
F16K17/192 (With closure member in the form of a movable liquid column) appears on 6 US grants and 8 published applications in this corpus.
Search patents in F16K- Granted patents
- 6
- Published applications
- 8
- Assignees
- 7
- Inventors
- 17
- Latest grant
- 24 Jun 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- In valves24 Jun 2014US 8,757,192 B2
- Liquid filled pressure/vacuum valve for petroleum underground storage tanks27 Mar 2012US 8,141,577 B2Franklin Fueling Systems, Inc.
- Liquid seal for recovering flared gas16 Feb 2010US 7,661,436 B2
- Liquid column pressure and vacuum vent13 Dec 2005US 6,973,938 B2Husky Corporation
- Pressure relief system for chemical storage tanks13 Mar 2001US 6,199,577 B1SEH America, Inc.
- Intercepting device19 Nov 2015US 2015/0330522 A1Lishui Likong Technology Ltd.
- Liquid filled pressure/vacuum valve for petroleum underground storage tanks14 Jun 2012US 2012/0145933 A1Franklin Fueling Systems, Inc.
- Device for a Liquid Lock for a Fermentation Receptacle for Biological Material8 Sep 2011US 2011/0217765 A1
- in Valves1 Sep 2011US 2011/0209778 A1
- Bottle trap with integral gas seal17 Dec 2009US 2009/0308463 A1
Most cited
By later US patents
- Liquid filled pressure/vacuum valve for petroleum underground storage tanks9US 8,141,577 B2Franklin Fueling Systems, Inc. · 2012
- Liquid column pressure and vacuum vent6US 6,973,938 B2Husky Corporation · 2005
- Pressure vacuum breaker5US 4,222,405 ARosenblad Corporation · 1980
- Liquid seal for recovering flared gas3US 7,661,436 B22010
- Pressure relief system for chemical storage tanks2US 6,199,577 B1SEH America, Inc. · 2001