F16D 2048/0272
Two valves, where one valve is supplying fluid to the cylinder and
Official title: {Two valves, where one valve is supplying fluid to the cylinder and the other valve is for draining fluid to the sump}
F16D2048/0272 (Two valves, where one valve is supplying fluid to the cylinder and) appears on 19 US grants and 9 published applications in this corpus.
Search patents in F16D- Granted patents
- 19
- Published applications
- 9
- Assignees
- 17
- Inventors
- 35
- Latest grant
- 18 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Actuation method for a hydraulic system with a pump and multiple valves, and hydraulic system18 Jul 2023US 11,703,094 B2Schaeffler Technologies AG & Co. KG
- Hydraulic circuit, torque transmission device having a hydraulic circuit, and method for operating a hydraulic circuit25 May 2021US 11,015,707 B2Avl Commercial Driveline & Tractor Engineering GmbH
- Vehicle driveline having torque transfer device that is operated on fluid pressure6 Nov 2018US 10,119,578 B2American Axle & Manufacturing, Inc.
- PTM multiplex hydraulic diagram with two position spool valve6 Jan 2015US 8,925,702 B2BorgWarner Inc.
- Drive system for vehicle18 Mar 2014US 8,672,112 B2Aisin Seiki Kabushiki Kaisha
- Actuation method for a hydraulic system with a pump and multiple valves, and hydraulic system16 Jun 2022US 2022/0186794 A1Schaeffler Technologies AG & Co. KG
- Hydraulic circuit, torque transmission device having a hydraulic circuit, and method for operating a hydraulic circuit17 Sep 2020US 2020/0292068 A1Avl Commercial Driveline & Tractor Engineering GmbH
- Vehicle driveline having torque transfer device that is operated on fluid pressure17 Nov 2016US 2016/0333945 A1American Axle & Manufacturing, Inc.
- Drive system for vehicle3 May 2012US 2012/0103751 A1Aisin Seiki Kabushiki Kaisha
- Hydraulic actuator11 Aug 2011US 2011/0192695 A1BorgWarner TorqTransfer Systems AB
Most cited
By later US patents
- Clutch automation device18US 4,799,160 ARenault Agriculture SA · 1989
- Control system for forward-reverse clutches and low pressure supply line11US 3,938,637 AKabushiki Kaisha Daikin Seisakusho · 1976
- Hydraulic control for a transmission with high-low powershift and masterclutch11US 4,646,895 AJ. I. Case Company · 1987
- Method of controlling clutch pressure of transmission and control apparatus therefor11US 6,328,674 B1Komatsu Ltd. · 2001
- System for controlling a power transmission of a four-wheel drive vehicle7US 4,470,489 AFuji Jukogyo Kabushiki Kaisha · 1984