Y10T 137/6164
Valve heads and/or seats
Y10T137/6164 (Valve heads and/or seats) appears on 59 US grants and 12 published applications in this corpus.
Search patents in Y10T- Granted patents
- 59
- Published applications
- 12
- Assignees
- 32
- Inventors
- 87
- Latest grant
- 3 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 2 |
| 2005 | 3 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 3 | 2 |
| 2014 | 5 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Valve system3 Oct 2017US 9,776,792 B1
- Coaxial valve having a sealing element16 Sep 2014US 8,833,386 B2
- Butterfly valve and system employing same and method for using same field1 Jul 2014US 8,763,987 B2MKS Instruments, Inc.
- Tunable fluid end10 Jun 2014US 8,746,654 B2
- Tunable fluid end13 May 2014US 8,720,857 B2
- Tunable Fluid End6 Feb 2014US 2014/0034862 A1
- Tunable Fluid End6 Feb 2014US 2014/0034863 A1
- Valve System21 Nov 2013US 2013/0306662 A1
- Coaxial valve having a sealing element17 Jan 2013US 2013/0015386 A1Ewald Schneider
- Butterfly valve and system employing same and method for using same field5 May 2011US 2011/0101259 A1MKS Instruments, Inc.
Most cited
By later US patents
- Choke for controlling the flow of drilling mud105US 4,257,442 A1981
- Method and apparatus for controlling back pressure66US 4,355,784 AWarren Automatic Tool Co. · 1982
- Two-way valve54US 6,220,299 B1Gambro Lundia AB · 2001
- Vortex flow regulators for storm sewer catch basins53US 5,080,137 A1992
- Diaphragm valve48US 4,295,485 AWaterfield Engineering Limited · 1981