F16D 2048/0263
Passive valves between pressure source and actuating cylinder
Official title: {Passive valves between pressure source and actuating cylinder, e.g. check valves or throttle valves}
F16D2048/0263 (Passive valves between pressure source and actuating cylinder) appears on 47 US grants and 37 published applications in this corpus.
Search patents in F16D- Granted patents
- 47
- Published applications
- 37
- Assignees
- 36
- Inventors
- 103
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 6 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 6 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 4 |
| 2017 | 4 | 3 |
| 2018 | 3 | 3 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 3 |
| 2022 | 6 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and systems for improving the operation of transmissions for motor vehicles7 Oct 2025US 12,435,786 B2Transgo, LLC
- Method for actuating a hydraulic device17 Jun 2025US 12,331,830 B2Schaeffler Technologies AG & Co. KG
- Power take-off (PTO) assembly with a disconnect clutch28 Jan 2025US 12,208,680 B2Dana Belgium N.V.
- Method for actuating a decoupling unit12 Nov 2024US 12,140,191 B2Schaeffler Technologies AG & Co. KG
- Hydraulic control system4 Jul 2023US 11,692,600 B2Dana Motion Systems Italia S.R.L.
- Hydraulic assembly, friction clutch and method for operating a friction clutch22 Aug 2024US 2024/0280147 A1Schaeffler Technologies AG & Co. KG
- Power take-off (pto) assembly with a disconnect clutch27 Jun 2024US 2024/0209878 A1Dana Belgium N.V.
- Method for actuating a decoupling unit15 Feb 2024US 2024/0052895 A1Schaeffler Technologies AG & Co. KG
- Methods And Systems For Improving The Operation Of Transmissions For Motor Vehicles20 Jul 2023US 2023/0228303 A1Transgo, LLC
- Method for actuating a hydraulic device18 May 2023US 2023/0151807 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Multiple-clutch device45US 6,523,657 B1Mannesmann Sachs AG · 2003
- Power transmission system for working vehicle40US 7,673,712 B2Kanzaki Kokyukoki Mfg.Co., Ltd. · 2010
- Multiple-clutch device37US 6,464,059 B1Mannesmann Sachs AG · 2002
- Multiple-clutch device26US 6,454,074 B1Mannesmann Sachs AG · 2002
- Multiple-clutch device20US 6,491,149 B1Mannesmann Sachs AG · 2002