F16D 31/06
Fluid couplings or clutches with pumping sets of the volumetric type, i.e.
Official title: using pumps of types differing from those before-mentioned
F16D31/06 (Fluid couplings or clutches with pumping sets of the volumetric type, i.e.) appears on 24 US grants and 13 published applications in this corpus.
Search patents in F16D- Granted patents
- 24
- Published applications
- 13
- Assignees
- 16
- Inventors
- 44
- Latest grant
- 17 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid friction clutch17 Nov 2020US 10,837,500 B2BorgWarner Ludwigsburg GmbH
- Hydro-mechanical transmission with multiple modes of operation29 Sep 2020US 10,788,112 B2Mathers Hydraulics Technologies Pty Ltd
- Speed changing control method and speed changing mechanism thereof6 Oct 2015US 9,151,341 B2Nanjing AFU Automobile Control System Co., Ltd.
- Radial piston damped torsional coupling and machine using same25 Jun 2013US 8,469,826 B2Caterpillar Inc.
- Hydraulic traction system for vehicles19 Oct 2010US 7,814,999 B2
- Fluid friction clutch21 Mar 2019US 2019/0085912 A1BorgWarner Ludwigsburg GmbH
- Hydro-mechanical transmission with multiple modes of operation11 Jan 2018US 2018/0010676 A1Mather Hydraulics Technologies Pty Ltd
- Ball hydraulic Clutch9 Mar 2017US 2017/0067515 A1
- Positive Displacement Type Clutch System, Power Transfer System Including Positive Displacement Type Clutch And Braking System, And Transmission System Including Multiple Positive Displacement Type Clutch System10 Sep 2015US 2015/0252860 A1
- Radial Piston Damped Torsional Coupling And Machine Using Same28 Mar 2013US 2013/0079159 A1Caterpillar Inc.
Most cited
By later US patents
- Radial piston damped torsional coupling and machine using same114US 8,469,826 B2Caterpillar Inc. · 2013
- Hydrostatic transmissions33US 4,495,768 AInventors Compendium International Corp. · 1985
- Coupling device32US 6,575,281 B2Visteon Global Technologies, Inc. · 2003
- Hydraulic power transmission system23US 4,696,148 A1987
- Continuously variable transmission16US 5,392,664 A1995