Y10T 137/87008
Screw-actuated differential valves
Y10T137/87008 (Screw-actuated differential valves) appears on 7 US grants and 4 published applications in this corpus.
Search patents in Y10T- Granted patents
- 7
- Published applications
- 4
- Assignees
- 6
- Inventors
- 16
- Latest grant
- 25 Oct 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve25 Oct 2016US 9,477,234 B2Kovea Co., Ltd.
- Rechargeable subsea force generating device and method17 Jul 2012US 8,220,773 B2Hydril USA Manufacturing LLC
- Flow control valve for refrigeration system10 Jul 2007US 7,240,694 B2Danfoss A/S
- Valve with pressurization rate reduction device25 Oct 2005US 6,957,661 B1Harsco Technologies LLC
- Surge prevention device7 Jun 2005US 6,901,962 B2Allied Healthcare Products, Inc.
- Valve7 May 2015US 2015/0122361 A1Kovea Co., Ltd.
- Rechargeable Subsea Force Generating Device and Method24 Jun 2010US 2010/0155072 A1Hydril USA Manufacturing LLC
- Flow control valve for refrigeration system12 Jan 2006US 2006/0005890 A1Danfoss A/S
- Surge prevention device16 May 2002US 2002/0056479 A1Allied Healthcare Products, Inc.
Most cited
By later US patents
- Surge prevention device42US 6,901,962 B2Allied Healthcare Products, Inc. · 2005
- Anesthesia machine having proportion limiting control system24US 4,266,573 AAirco, Inc. · 1981
- Flow control valve for refrigeration system12US 7,240,694 B2Danfoss A/S · 2007
- Rechargeable subsea force generating device and method11US 8,220,773 B2Hydril USA Manufacturing LLC · 2012
- Valve with pressurization rate reduction device10US 6,957,661 B1Harsco Technologies LLC · 2005