Y10T 137/7858
With means for selecting area of valve or seat
Y10T137/7858 (With means for selecting area of valve or seat) appears on 9 US grants and 5 published applications in this corpus.
Search patents in Y10T- Granted patents
- 9
- Published applications
- 5
- Assignees
- 10
- Inventors
- 21
- Latest grant
- 26 Mar 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and apparatus related to a purge valve for a capacitor26 Mar 2019US 10,242,808 B2Ioxus, Inc.
- Leaf valve structure1 Dec 2015US 9,200,692 B2Fine Sinter Co., Ltd.
- Internal leak detection and backflow prevention in a flow control arrangement7 Apr 2015US 8,997,789 B2Malema Engineering Corporation
- Meterless hydraulic system having load-holding bypass21 Oct 2014US 8,863,509 B2Caterpillar Inc.
- Methods and apparatus related to a purge valve for a capacitor24 Jun 2014US 8,760,850 B2Ioxus, Inc.
- Methods and apparatus related to a purge valve for a capacitor29 Jan 2015US 2015/0029639 A1loxus, Inc.
- Meterless hydraulic system having load-holding bypass28 Feb 2013US 2013/0047599 A1Caterpillar Inc.
- Leaf valve structure13 Sep 2012US 2012/0228071 A1Fine Sinter Co., Ltd.
- Methods and apparatus related to a purge valve for a capacitor15 Mar 2012US 2012/0063057 A1Ioxus, Inc.
- Internal Leak Detection and Backflow Prevention in a Flow Control Arrangement24 Dec 2009US 2009/0314369 A1Malema Engineering Corporation
Most cited
By later US patents
- Restriction valve device for hydraulic pressure fluids in vehicle shock absorbing mechanisms22US 4,597,411 A1986
- Fluid controller and improved backflow prevention therefor13US 5,620,026 AEaton Corporation · 1997
- Pressure compensating valve spool positioned by difference in pressure receiving areas for load and inlet pressures7US 5,152,140 AHitachi Construction Machinery Co., Ltd. · 1992
- Methods and apparatus related to a purge valve for a capacitor6US 10,242,808 B2Ioxus, Inc. · 2019
- Pressure limiting device with two pressure levels for a pressure cooker5US 4,370,999 ASeb S. A. · 1983