F16D 2500/70446
Clutch cooling parameters
F16D2500/70446 (Clutch cooling parameters) appears on 56 US grants and 55 published applications in this corpus.
Search patents in F16D- Granted patents
- 56
- Published applications
- 55
- Assignees
- 51
- Inventors
- 173
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 3 | 3 |
| 2011 | 3 | 5 |
| 2012 | 0 | 3 |
| 2013 | 3 | 6 |
| 2014 | 6 | 2 |
| 2015 | 3 | 6 |
| 2016 | 3 | 3 |
| 2017 | 3 | 2 |
| 2018 | 4 | 3 |
| 2019 | 0 | 1 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for controlling a lubricant flow rate4 Jun 2024US 12,000,438 B2Dana Belgium N.V.
- Intelligent clutch pack lubrication in work vehicle powershift transmissions3 Oct 2023US 11,773,926 B2Deere & Company
- Method for controlling a drivline of a vehicle2 Aug 2022US 11,400,938 B2Volvo Truck Corporation
- Virtual clutch temperature gauge31 May 2022US 11,346,408 B2Eaton Cummins Automated Transmission Tech., LLC
- Lubrication system for power transmission unit13 Jul 2021US 11,060,604 B2Toyota Jidosha Kabushiki Kaisha
- High-pressure hydraulic clutch cooling system for work vehicles30 Jul 2026US 2026/0218761 A1Deere & Company
- Method for Operating a Fluid Supply System5 Oct 2023US 2023/0313851 A1ZF Friedrichshafen AG
- Intelligent clutch pack lubrication in work vehicle powershift transmissions20 Apr 2023US 2023/0122398 A1Deere & Company
- Method and apparatus for controlling a lubricant flow rate23 Jun 2022US 2022/0196082 A1Dana Belgium N.V.
- A method for controlling a drivline of a vehicle14 Oct 2021US 2021/0317885 A1Volvo Truck Corporation
Most cited
By later US patents
- Clutch system with at least one multiple-plate clutch arrangement31US 6,827,191 B2ZF Sachs AG · 2004
- Method and apparatus for calibrating clutch fill rates30US 5,853,076 ACase Corporation · 1998
- Hydraulic clutch control system with fluid coupling pre-heat circuit for rapid response at low ambient temperatures29US 5,562,190 ASundstrand Corporation · 1996
- Electrohydraulic control device for a drive train of a machine29US 5,613,581 ACaterpillar Inc. · 1997
- Temperature compensated closed loop control of a hydraulically controlled clutch and APU starting system24US 5,023,789 ASundstrand Corporation · 1991