| 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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| 10/27/2009 | US7607297 Total power controller |
| 10/27/2009 | US7607296 Device and method of controlling hydraulic drive of construction machinery |
| 10/22/2009 | US20090260354 Axle Driving Apparatus |
| 10/15/2009 | US20090255248 Hydraulic Arrangement |
| 10/15/2009 | US20090255247 Method of controlling a hydraulic actuator |
| 10/14/2009 | CN101558235A Flow deflection devices and method for energy capture machines |
| 10/13/2009 | US7600463 Oil pressure supply circuit for industrial vehicle |
| 10/06/2009 | US7597168 Low engine speed steering performance |
| 10/06/2009 | US7596946 Axle driving apparatus |
| 10/06/2009 | US7596945 Load control device for engine of work vehicle |
| 10/06/2009 | US7596893 Work machine |
| 10/01/2009 | US20090242705 Hydraulic system protected from external impacts |
| 10/01/2009 | US20090241535 On-demand hydraulic pump for a transmission and method of operation |
| 10/01/2009 | US20090241531 Hydraulic control device for starting device |
| 09/29/2009 | US7594397 Clutch mechanism of hydrostatic continuously variable transmission |
| 09/29/2009 | US7594396 Hydraulic controller for working machine |
| 09/24/2009 | US20090236169 Working Vehicle and HST Unit |
| 09/24/2009 | US20090235657 Cooling system and a transmission system having said cooling system integrated therewith |
| 09/24/2009 | US20090235656 Coiled Tubing Injector with a Weight on Bit Circuit |
| 09/24/2009 | US20090235655 Hystat transmission having pressure override control |
| 09/23/2009 | CN101539178A Deflective transmission-type clutch |
| 09/22/2009 | US7591133 Actuator system having a valve manifold |
| 09/17/2009 | US20090229678 Hydraulic valve assembly with valve locking mechanism |
| 09/16/2009 | CN100540934C Hydrostatic coupling assembly with toothed ring machine |
| 09/15/2009 | US7588132 External control type fan-coupling device |
| 09/15/2009 | US7588104 Hydraulic transaxle apparatus for a four-wheel-drive vehicle and four-wheel-drive vehicle using the apparatus |
| 09/10/2009 | US20090223215 Work machine, control system and method for controlling an engine in a work machine |
| 09/08/2009 | US7584611 Control system for hydraulic construction machine |
| 09/08/2009 | US7584609 Buoyancy pump power system |
| 09/03/2009 | US20090217655 Cooling System for Construction Machine |
| 09/03/2009 | US20090217654 Load control device for engine of work vehicle |
| 09/02/2009 | EP1799482A4 Variable resolution control system |
| 09/02/2009 | CN101523073A Hydraulic transmission assembly |
| 09/01/2009 | US7581392 Straight traveling hydraulic circuit |
| 08/27/2009 | US20090211834 Hydraulic Four-Wheel-Drive Working Vehicle |
| 08/27/2009 | US20090211238 Fluid Control Device And Method For The Production Thereof |
| 08/25/2009 | US7578126 Wave power installation |
| 08/20/2009 | US20090205328 Construction machine |
| 08/19/2009 | CN100529431C Hydraulic drive system and improved filter sub-system therefor |
| 08/19/2009 | CN100529430C Air servo cylinder |
| 08/19/2009 | CN100529429C Hydraulic drive system and improved control valve assembly therefor |
| 08/18/2009 | US7574860 Damper valve and hydraulic power steering apparatus |
| 08/18/2009 | US7574859 Monocylindrical hybrid two-cycle engine, compressor and pump, and method of operation |
| 08/13/2009 | WO2009099532A1 Internal combustion engines |
| 08/13/2009 | US20090199553 Hybrid working vehicle |
| 08/11/2009 | US7571558 Backhoe hydraulic system |
| 08/11/2009 | CA2448428C Method and apparatus for driving hydraulic motors with agricultural tractors |
| 08/06/2009 | US20090194382 Clutch |
| 08/06/2009 | US20090193801 Hydraulic drive system |
| 08/06/2009 | US20090193800 Service pack tandem pump |
| 08/05/2009 | EP2084420A2 Coiled tubing injector with a weight on bit circuit |
| 07/29/2009 | CN101493122A Seal assembly for reducing fluid loss from transmission pump |
| 07/28/2009 | US7566207 Dual pump transmission |
| 07/28/2009 | US7565801 Swing drive device and work machine |
| 07/23/2009 | US20090183504 Compressed air engine and power train system |
| 07/22/2009 | CN100516578C Electrical loop flushing system |
| 07/21/2009 | US7562472 Work machine |
| 07/16/2009 | US20090178401 Hydrostatic Transaxle |
| 07/16/2009 | US20090178400 Neutral Valve Structure |
| 07/14/2009 | US7559870 Torque-limiting coupling |
| 07/14/2009 | US7559197 Combiner valve control system and method |
| 07/09/2009 | US20090173067 Hydraulic control valve system with isolated pressure compensation |
| 07/09/2009 | US20090173066 Hydraulic brake energy regeneration system for electric energy storage and vehicle drive assist |
| 07/07/2009 | US7555978 Hydraulic actuating device |
| 07/07/2009 | US7555899 Regulator device and a valve unit for a hydraulic pump |
| 07/07/2009 | US7555897 Independent system of energy and heat supply |
| 07/02/2009 | US20090165453 Method for supplying a fluid to a transmission component |
| 07/02/2009 | US20090165450 Hydraulic system |
| 06/25/2009 | WO2009079459A1 Effort reducing start mechanism for hydraulically propelled vehicles |
| 06/25/2009 | US20090158728 Smart flow sharing system |
| 06/23/2009 | US7549287 Hydrostatic auto/manual speed control |
| 06/18/2009 | US20090151345 Brake system for vehicle having regenerative braking function |
| 06/17/2009 | EP1945960B1 Clutch |
| 06/17/2009 | CN101460757A Petroleum to pneumatic engine conversion zero emission &fuel cost |
| 06/16/2009 | US7546731 Axle driving apparatus |
| 06/16/2009 | US7546729 Method and system for limiting torque load associated with an implement |
| 06/10/2009 | DE102008056225A1 Fluidübertragungsrohr Fluid transfer tube |
| 06/09/2009 | US7543449 Hydraulic system for linear drives controlled by a displacer element |
| 06/09/2009 | US7543448 Control system for hydraulic construction machine |
| 06/09/2009 | US7543447 Control system for traveling working vehicle |
| 06/04/2009 | US20090139225 Hydraulic inerter mechanism |
| 06/04/2009 | US20090139222 System for storing, delivering and recovering energy |
| 05/28/2009 | US20090133396 Hydraulic circuit arrangement with a device for limiting control and method for pressure control by controlling displacement |
| 05/27/2009 | CN101443571A Machine and system for power generation through movement of water |
| 05/26/2009 | US7536858 Axle driving apparatus |
| 05/26/2009 | US7536856 System for controlling a power output |
| 05/26/2009 | CA2504225C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 05/20/2009 | DE102005053154B4 Schalt-Kupplung Switching clutch |
| 05/14/2009 | US20090125201 Method for setting the filling pressure for a clutch |
| 05/14/2009 | US20090120086 Method of controlling a cyclically commutated hydraulic pump |
| 05/14/2009 | US20090120084 Hydraulic Unit |
| 05/12/2009 | US7530434 Hydraulic system |
| 05/12/2009 | US7530226 Access method and apparatus that limit motion according to load and position |
| 05/12/2009 | US7530224 Hydraulic speed-increasing transmission for water current powered turbine |
| 04/30/2009 | US20090107135 Low power hmt with by-pass valve |
| 04/29/2009 | CN101421532A Variable mode manipulator and drive system |
| 04/28/2009 | US7523611 Hydrostatic transmission with external manifold |
| 04/28/2009 | US7523610 Neutral valve structure |
| 04/23/2009 | US20090101102 Compact Output Speed Reduction System |
| 04/21/2009 | US7520131 Pump unit |