F16D 2500/1027
Details about the hydraulic valves
F16D2500/1027 (Details about the hydraulic valves) appears on 59 US grants and 60 published applications in this corpus.
Search patents in F16D- Granted patents
- 59
- Published applications
- 60
- Assignees
- 37
- Inventors
- 162
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 7 |
| 2010 | 1 | 4 |
| 2011 | 2 | 5 |
| 2012 | 5 | 2 |
| 2013 | 3 | 1 |
| 2014 | 6 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 3 | 8 |
| 2018 | 3 | 3 |
| 2019 | 8 | 2 |
| 2020 | 2 | 3 |
| 2021 | 7 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 3 |
| 2024 | 2 | 2 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Piston clutch4 Nov 2025US 12,460,685 B1Deere & Company
- Methods and systems for improving the operation of transmissions for motor vehicles7 Oct 2025US 12,435,786 B2Transgo, LLC
- Installation space-saving and safe control unit for the electrohydraulic actuation of motor vehicle assemblies22 Apr 2025US 12,281,680 B2Schaeffler Technologies AG & Co. KG
- Valve device of a pneumatically actuatable friction clutch5 Nov 2024US 12,135,091 B2Zf Cv Systems Europe BV
- Method for the open-loop control of an electrically controllable valve in a vehicle transmission27 Feb 2024US 11,913,506 B2ZF Friedrichshafen AG
- Device and method for determining a hydraulic fluid parameter of a transmission of a vehicle29 Aug 2024US 2024/0288067 A1Punch Powertrain N.V.
- Installation space-saving and safe control unit for the electrohydraulic actuation of motor vehicle assemblies15 Aug 2024US 2024/0271670 A1Schaeffler Technologies AG & Co. KG
- Method for the Open-Loop Control of an Electrically Controllable Valve in a Vehicle Transmission14 Dec 2023US 2023/0400069 A1ZF Friedrichshafen AG
- Methods And Systems For Improving The Operation Of Transmissions For Motor Vehicles20 Jul 2023US 2023/0228303 A1Transgo, LLC
- Valve device of a pneumatically actuatable friction clutch2 Mar 2023US 2023/0069417 A1Zf Cv Systems Europe BV
Most cited
By later US patents
- Pressure control valve device30US 8,701,707 B2ZF Friedrichshafen AG · 2014
- Method and device for the hydraulic actuation of a clutch, especially for automobiles16US 5,850,898 AFahrzeugtechnik Ebern GmbH · 1998
- Clutch torque point learning method and clutch control method16US 6,658,341 B2Isuzu Motors Limited · 2003
- Modulating relief valve with dual functioning load piston11US 4,620,560 ACaterpillar Inc. · 1986
- Clutch assembly for a motor vehicle10US 5,004,086 AZahnradfabrik Friedrichshafen AG · 1991