Y10T 137/87185
Controlled by supply or exhaust valve
Y10T137/87185 (Controlled by supply or exhaust valve) appears on 259 US grants and 21 published applications in this corpus.
Search patents in Y10T- Granted patents
- 259
- Published applications
- 21
- Assignees
- 88
- Inventors
- 239
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 12 | 0 |
| 1978 | 20 | 0 |
| 1979 | 17 | 0 |
| 1980 | 12 | 0 |
| 1981 | 17 | 0 |
| 1982 | 15 | 0 |
| 1983 | 6 | 0 |
| 1984 | 16 | 0 |
| 1985 | 14 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 5 |
| 2005 | 4 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 4 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 3 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic jack assemblies28 Jul 2026US 12,692,139 B2
- Hydraulic jack assemblies24 Sep 2024US 12,098,060 B1Roadtek Enterprises Inc.
- Solenoid flow control valve5 Apr 2022US 11,293,560 B2Kawasaki Jukogyo Kabushiki Kaisha
- Device for activity test of extraction check valve2 Nov 2021US 11,162,612 B2Ningxia Danchen Technology Co., LTD
- Hydraulic circuitry for skid steer loader valve17 Jul 2018US 10,024,443 B2Parker-Hannifin Corporation
- Hydraulic jack assemblies25 Sep 2025US 2025/0296823 A1Roadtek Enterprises Inc.
- Solenoid flow control valve15 Jul 2021US 2021/0215267 A1Kawasaki Jukogyo Kabushiki Kaisha
- Device For Activity Test Of Extraction Check Valve15 Oct 2020US 2020/0326016 A1Ningxia Danchen Technology Co., LTD
- Hydraulic circuitry for skid steer loader valve15 Dec 2016US 2016/0363227 A1Parker-Hannifin Corporation
- Valve, fluid control device9 Apr 2015US 2015/0096638 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Force balanced hydraulic spool valve49US 4,941,508 ADana Corporation · 1990
- Hydraulic valve having pressure compensated demand flow41US 4,253,482 AGresen Manufacturing Company · 1981
- Load responsive system with synthetic signal40US 3,971,216 AThe Scott Fetzer Company · 1976
- Multiple pressure compensated flow control valve device of parallel connection used with fixed displacement pump32US 4,020,867 ANisshin Sangyo Co., Ltd. · 1977
- Load independent valve control for a plurality of hydraulic users32US 5,138,837 AMannesmann Rexroth GmbH · 1992