Y10S 137/902
Slush pump check valves
Y10S137/902 (Slush pump check valves) appears on 29 US grants and 7 published applications in this corpus.
Search patents in Y10S- Granted patents
- 29
- Published applications
- 7
- Assignees
- 16
- Inventors
- 26
- Latest grant
- 14 Jul 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
Most cited
By later US patents
- Mud pump valve125US 5,088,521 AHarrisburg, Inc. · 1992
- Valve having convex sealing surface and concave seating surface121US 5,226,445 AHalliburton Company · 1993
- Valve body and seal assembly118US 7,168,440 B12007
- Valve seat for use with pumps for handling abrasive fluids102US 5,249,600 A1993
- Valve element for use in pumps for handling fluids containing abrasive materials78US 4,860,995 AUtex Industries, Inc. · 1989