| Patents for F16D 31 - Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution (2,451) |
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| 03/13/2002 | EP1185799A2 Rotational control apparatus |
| 02/26/2002 | US6349543 Regenerative adaptive fluid motor control |
| 02/21/2002 | US20020020171 Rotary machine |
| 02/14/2002 | WO2002012732A2 Hydraulic control valve system with pressure compensated flow control |
| 02/12/2002 | US6345868 Fluid coupling for dual wheels |
| 02/07/2002 | US20020014075 Control system of a hydraulic construction machine |
| 02/05/2002 | US6343470 Control method for hydrostatic type continuously variable transmission |
| 01/29/2002 | US6341682 Hydraulic power transmission joint |
| 01/29/2002 | US6341489 Axle driving apparatus |
| 01/24/2002 | US20020007633 Hydrostatic continuously variable transmission |
| 01/24/2002 | US20020007632 Hydrostatic continuously variable transmission |
| 01/17/2002 | DE10102766A1 Shaft coupling for all-wheel-drive vehicle has driving rotor and at least one driven rotor co-axial with rotation axis |
| 01/08/2002 | US6337788 Fault condition protection |
| 01/08/2002 | US6336539 Drain mechanism for hydraulic power transmission joint |
| 12/20/2001 | WO2000071905A3 Split-torque power transmission |
| 12/19/2001 | EP1163453A1 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes |
| 12/18/2001 | US6330799 Adaptive cooling system control system |
| 12/04/2001 | US6324842 Axle driving apparatus |
| 11/20/2001 | US6318079 Hydraulic control valve system with pressure compensated flow control |
| 11/14/2001 | EP1153224A1 A compact, resistance regulated, multiple output hydraulic package and seal valve arrangement |
| 11/13/2001 | US6314730 Axle driving apparatus |
| 11/13/2001 | US6314728 Hydraulic door operator |
| 11/08/2001 | WO2001084006A1 Starting hydraulic coupling |
| 11/06/2001 | US6311488 Cooling fan drive apparatus |
| 10/18/2001 | DE10017131A1 Axialverstellvorrichtung Axial setting |
| 10/11/2001 | US20010027905 Axial setting device |
| 10/02/2001 | US6296095 Coupling assembly with double shear channel |
| 09/25/2001 | US6293381 Hydraulic power transmission joint |
| 09/04/2001 | US6283264 Hydraulic power transmission joint |
| 09/04/2001 | US6282892 Pump controller for construction machine |
| 08/16/2001 | EP1124069A2 Fluid coupling for dual wheels |
| 08/09/2001 | US20010012486 Hydraulic delivery device |
| 08/08/2001 | CN2442030Y Pump system clutch for vehicle |
| 07/24/2001 | US6263670 Loop flushing circuit for lubricating rotating elements in a hydrostatic transmission module |
| 07/10/2001 | US6257387 Hydraulic power transmission joint |
| 07/04/2001 | CN1068102C Volumetric coupling device and device with it |
| 07/03/2001 | US6253549 Toroidal hydraulic actuator |
| 05/08/2001 | US6227816 Hydraulic delivery device |
| 05/08/2001 | US6227221 Single-fluid apparatus for supplying vehicle power and lubrication fluid requirements and a system and method for fluid distribution and delivery |
| 05/08/2001 | US6226988 Rotary shaft coupler with rotary valve plate position dependent on direction of shaft rotation |
| 05/08/2001 | US6226987 Travel drive apparatus for hydraulic drive work vehicles and control therefor |
| 04/24/2001 | US6220029 Operating arrangement |
| 04/17/2001 | US6216560 Axle driving apparatus |
| 04/12/2001 | WO2001025649A1 Regenerative adaptive fluid control |
| 04/11/2001 | CN1290821A Loop flushing circuit for lubricating rotary element in static hydraulic driving unit |
| 03/13/2001 | US6199380 Axle driving apparatus |
| 03/08/2001 | WO1999056038A8 Hydraulic torque transmitting device |
| 02/20/2001 | US6189668 Rotational output control system |
| 02/14/2001 | EP1075612A1 Hydraulic torque transmitting device |
| 01/02/2001 | US6168000 Hydraulic rotary clutch |
| 11/30/2000 | WO2000071905A2 Split-torque power transmission |
| 11/29/2000 | EP1055837A2 Hydrostatic coupling |
| 11/29/2000 | EP1055836A2 Hydrostatic coupling |
| 11/28/2000 | US6151895 Hydrostatic transmission system |
| 11/22/2000 | EP1054177A2 Drain valve for hydrostatic coupling |
| 11/22/2000 | EP1054176A2 Drain mechanism for hydraulic power transmission joint |
| 11/02/2000 | EP1048871A2 Hydrostatic coupling |
| 11/02/2000 | EP1048870A2 Hydrostatic coupling |
| 11/02/2000 | EP1048869A2 Hydrostatic coupling |
| 10/26/2000 | DE10019709A1 Drehmomentübertragungsverbindung Torque transmission connection |
| 10/25/2000 | EP1046830A1 Hydraulic power transmission joint |
| 10/03/2000 | US6126549 Coupling device |
| 09/28/2000 | WO2000057065A1 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes |
| 09/28/2000 | DE19913275A1 Hydraulische Steueranordnung zum Betreiben einer Winde im Fieren-, Hieven- und Mooring-Betrieb The hydraulic control arrangement for operating a winch in the easing, Hieven- and mooring mode |
| 09/20/2000 | EP0647291B1 A gas compressor |
| 08/08/2000 | USRE36807 Axle driving apparatus |
| 07/19/2000 | CN2388407Y Clutch main cylinder |
| 06/28/2000 | EP1013953A1 Machine for producing kinetic energy |
| 05/23/2000 | US6067077 Position sensing for force feedback devices |
| 05/09/2000 | US6059680 Speed sensitive on-demand torque coupling differential |
| 04/19/2000 | CN1250847A Fittings for hydraulic operation |
| 04/06/2000 | DE19844001A1 Hydraulically actuated armature for valves, flaps in aircraft, ships, plant has variable delivery pump with control input for hydraulic signal connected to control motor pressure port |
| 01/27/2000 | WO2000004300A1 Torque converter for automatic transmission |
| 01/20/2000 | DE19829720A1 Visco-Lok Kupplung mit doppeltem Scherkanal Visco-Lok coupling with double shear channel |
| 01/05/2000 | CN1048076C Hydraulic pumping unit |
| 12/30/1999 | DE19927400A1 Hydraulic advancing unit, eg for use in vehicles |
| 12/29/1999 | EP0966626A1 Hydraulic coupling having supplemental actuation |
| 12/22/1999 | EP0965755A2 Transmission device |
| 12/22/1999 | EP0794851A4 Motor driven hydraulic tool |
| 12/14/1999 | US6001039 Rotational speed difference sensitive type joint assembly |
| 12/14/1999 | US6000513 Rotational output control system |
| 11/16/1999 | US5984066 Automotive transmission |
| 11/16/1999 | US5983635 Rotary shaft coupler with rotary valve plate position dependent on direction of shaft rotation |
| 11/04/1999 | WO1999056038A1 Hydraulic torque transmitting device |
| 10/21/1999 | WO1999052614A1 Improvements in position sensing for force feedback devices |
| 09/28/1999 | US5956953 Concentric radial piston transmission with flexible cam ring |
| 09/22/1999 | EP0943829A1 Rotational speed difference sensitive coupling |
| 09/16/1999 | DE19855749A1 Operation arrangement for movable vehicle parts, rear end cover, bonnet cover |
| 09/14/1999 | US5950431 Tandem pump apparatus |
| 08/24/1999 | US5941502 Electric valve assembly and method of making same |
| 08/18/1999 | EP0936370A1 Rotational speed difference sensitive type joint assembly |
| 06/02/1999 | DE19747066A1 Infinitely-variable hydraulic transmission suitable for automobiles |
| 05/12/1999 | EP0682754B1 Vehicle drivetrain hydraulic coupling |
| 03/18/1999 | WO1999013238A1 Machine for producing kinetic energy |
| 03/18/1999 | CA2303076A1 Machine for producing kinetic energy |
| 02/25/1999 | WO1999009331A1 Hydraulic, rotary transmission system |
| 02/25/1999 | DE19735784A1 Hydraulic clutch for use in road vehicle |
| 01/19/1999 | US5860501 Clutch device |
| 01/13/1999 | EP0890036A1 Hydrostatic coupling comprising a planetary gear pump |
| 12/23/1998 | EP0886083A2 Limited slip differential |