Y10T 137/2635
Pilot valve operated
Y10T137/2635 (Pilot valve operated) appears on 46 US grants and 15 published applications in this corpus.
Search patents in Y10T- Granted patents
- 46
- Published applications
- 15
- Assignees
- 40
- Inventors
- 69
- Latest grant
- 8 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pressure relief valve8 Jun 2021US 11,028,932 B2FMC Technologies, Inc.
- Safety valve control system and method of use13 Feb 2018US 9,890,609 B2Safoco, Inc.
- Safety valve control system and method of use6 Jun 2017US 9,671,794 B1Safoco, Inc.
- Safety valve control system and method of use13 Sep 2016US 9,441,453 B2Safoco, Inc.
- Dual-pump supply system with bypass-controlled flow regulator3 Dec 2013US 8,596,993 B2Woodward, Inc.
- Pressure Relief Valve18 Jul 2019US 2019/0219186 A1FMC Technologies, Inc.
- Safety valve control system and method of use25 May 2017US 2017/0147012 A1Safoco, Inc.
- Safety valve control system and method of use2 Mar 2017US 2017/0060144 A1Safoco, Inc.
- Flow control system and method for controlling two positive displacement pumps20 Sep 2012US 2012/0234014 A1Hamilton Sundstrand Corporation
- Safety valve control system and method of use13 Sep 2012US 2012/0227983 A1Safoco, Inc.
Most cited
By later US patents
- Integrated control device for a fluid circuit and applications thereof38US 4,240,255 ALes Applications Hydrauliques R. Sarrazin S.A. · 1980
- Safety valve control system and method of use22US 9,441,453 B2Safoco, Inc. · 2016
- Safety valve control system and method of use22US 9,671,794 B1Safoco, Inc. · 2017
- Fluid flow regulating valve and method21US 6,170,508 B2LuK Getriebe-Systeme GmbH · 2001
- Pressure-control valve15US 6,601,602 B2Brueninghaus Hydromatik GmbH · 2003