Y10T 137/2589
Pilot valve operated
Y10T137/2589 (Pilot valve operated) appears on 37 US grants and 9 published applications in this corpus.
Search patents in Y10T- Granted patents
- 37
- Published applications
- 9
- Assignees
- 29
- Inventors
- 69
- Latest grant
- 15 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compressed air supply installation and method for operating a pneumatic installation15 Dec 2020US 10,865,813 B2WABCO GmbH
- Valve for valve assembly13 Jun 2017US 9,677,575 B2Hydac Fluidtechnik GmbH
- Compressed air supply system for a commercial vehicle and method for operating a compressed air supply system30 Oct 2012US 8,297,297 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Differential transmission with cleaning feature5 Apr 2011US 7,918,315 B2Deere & Company
- Flow control apparatus15 May 2007US 7,216,662 B2Jtekt Corporation
- Valve for valve assembly23 Apr 2015US 2015/0107699 A1Hydac Fluidtechnik GmbH
- Compressed Air Supply Installation, Pneumatic System and Method for Operating a Pneumatic Installation24 Oct 2013US 2013/0276899 A1WABCO GmbH
- Compressed Air Supply System for a Commercial Vehicle and Method for Operating a Compressed Air Supply System18 Mar 2010US 2010/0065129 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Differential Transmission With Cleaning Feature9 Jul 2009US 2009/0173579 A1Deere & Company
- Flow control apparatus8 Sep 2005US 2005/0194043 A1Toyoda Koki Kabushiki Kaisha
Most cited
By later US patents
- Electrically operated proportional flow control hydraulic valve and manually operable remote control device therefor91US 4,121,610 AAMBAC Industries, Incorporated · 1978
- Apparatus and method for automatically disabling pressure relief valve of backflow preventer54US 5,669,405 AAmes Company, Inc. · 1997
- Hydraulic valve having pressure compensated demand flow41US 4,253,482 AGresen Manufacturing Company · 1981
- Proportional-flow electrohydraulic control30US 4,510,963 AElectro-Hydraulic Controls, Inc. · 1985
- Flow regulator with pressure relief combination valve30US 7,063,100 B2HydraForce, Inc. · 2006