Y10T 137/6174
Valve heads
Y10T137/6174 (Valve heads) appears on 17 US grants and 4 published applications in this corpus.
Search patents in Y10T- Granted patents
- 17
- Published applications
- 4
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 10 Jun 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 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 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Tunable fluid end10 Jun 2014US 8,746,654 B2
- Tunable fluid end13 May 2014US 8,720,857 B2
- Tunable valve assembly30 Jul 2013US 8,496,224 B1
- Symmetrical valve configuration3 May 2005US 6,886,586 B2Mueller International, LLC
- Variable force actuator with a double needle poppet assembly29 Mar 2005US 6,871,668 B2Delphi Technologies, Inc.
Most cited
By later US patents
- Choke for controlling the flow of drilling mud105US 4,257,442 A1981
- Compressor valve35US 4,483,363 A1984
- Valve assembly for reciprocating plunger pump27US 4,716,924 APartek Corporation of Houston · 1988
- High pressure valve for positive pressure pumps including means for installing and removing the valve18US 4,520,842 A1985
- Valve16US 4,337,920 ACameron Iron Works, Inc. · 1982