| 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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| 04/29/2014 | US8707691 Hydrostatic drive |
| 04/29/2014 | US8707690 Hydraulic pump controller for construction machine |
| 04/15/2014 | US8695333 Method for when necessary automatically limiting a pressure in a hydraulic system during operation |
| 04/10/2014 | US20140100749 System for controlling torque converter temperature during torque converter stall conditions |
| 04/10/2014 | US20140097057 Control device for vehicular lockup clutch |
| 04/08/2014 | US8689551 Hydrostatic transaxle |
| 04/08/2014 | US8689550 Hydraulic control system in working machine |
| 04/08/2014 | US8689548 Power system for vehicle and vehicle having the power system |
| 04/01/2014 | US8683796 Variable drive apparatus |
| 04/01/2014 | US8683795 Control valve for a hydraulic refueling boom system |
| 04/01/2014 | US8683794 Controller of vehicle with hydrostatic continuously variable transmission |
| 03/27/2014 | US20140083087 Hydraulic tank pressurization system |
| 03/25/2014 | US8677742 Accumulator with solenoid valve |
| 03/18/2014 | US8671673 Travel control apparatus for working vehicle |
| 03/18/2014 | US8671672 Pneumatic actuator structure |
| 03/11/2014 | US8667990 Hydraulic oscillating motor |
| 03/11/2014 | US8667792 Dead-volume management in compressed-gas energy storage and recovery systems |
| 03/11/2014 | US8667790 Universal hole cutter |
| 03/06/2014 | US20140060034 Electro-Hydraulic Control Design for Pump Discharge Pressure Control |
| 03/06/2014 | US20140060018 Hydraulic control system |
| 03/04/2014 | US8661808 High-efficiency heat exchange in compressed-gas energy storage systems |
| 03/04/2014 | US8661806 Adaptive, low-impact vehicle energy harvester |
| 03/04/2014 | US8661804 Control system for swashplate pump |
| 02/26/2014 | EP2699818A1 Engine augmentation of hydraulic control system |
| 02/18/2014 | US8650869 Automatic hydraulic/pneumatic flow rectifier for bi-directional pumps |
| 02/13/2014 | WO2014023744A1 Pumping device |
| 02/13/2014 | DE102012213985A1 Pumpeneinrichtung Pump means |
| 02/12/2014 | EP2694848A1 Hydroelectric control valve for remote locations |
| 02/11/2014 | US8646265 Hydraulic power apparatus |
| 02/06/2014 | WO2014022228A1 Pump control system and method |
| 02/06/2014 | WO2014021965A2 Closed-cycle hydro-jet thruster |
| 02/06/2014 | US20140033944 Energy recovery system for a mobile machine |
| 02/06/2014 | US20140033941 Energy recovery system for a mobile machine |
| 02/06/2014 | US20140033698 Meterless hydraulic system having force modulation |
| 02/06/2014 | US20140033697 Meterless hydraulic system having force modulation |
| 02/06/2014 | US20140033693 Reduced Parasitic Hydraulic Fan System with Reversing Capability |
| 02/04/2014 | US8640450 Compressed fluid motor |
| 01/29/2014 | CN103547806A A gerotor pump, a gerotor motor and a gerotor transmission system |
| 01/28/2014 | US8635867 Hydrostatic transmission |
| 01/21/2014 | US8632314 Cooling fan driving device and fan rotational speed control method |
| 01/21/2014 | US8631821 Flexible sump |
| 01/21/2014 | US8631651 Hydraulic system thermal contraction compensation apparatus and method |
| 01/16/2014 | US20140014453 Lock-up device for torque converter |
| 01/14/2014 | US8627658 Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression |
| 01/14/2014 | US8627657 Vehicle hydrostatic transmission device |
| 01/14/2014 | US8627656 Oil supply device for vehicle |
| 01/14/2014 | CA2764391C Engine clutch and method of using same |
| 01/07/2014 | US8621860 Control system for work vehicle |
| 01/07/2014 | US8621859 Hydraulic system |
| 01/07/2014 | US8621857 Adsorption-enhanced compressed air energy storage |
| 12/31/2013 | US8615992 Construction machine |
| 12/24/2013 | US8614522 Energy converting device |
| 12/17/2013 | US8607821 Stack valve |
| 12/17/2013 | US8607559 Fluid bypass system |
| 12/17/2013 | US8607557 Hydraulic control system for excavator |
| 12/10/2013 | US8601807 Hydraulic energy recovery system with dual-powered auxiliary hydraulics |
| 12/10/2013 | US8601806 Electric hydraulic motor system for large vehicles |
| 12/10/2013 | US8601804 Power generating apparatus of renewable energy type |
| 12/05/2013 | US20130318959 Hydraulic Circuits with Energy Conservation Features for Overrunning Load Conditions |
| 12/04/2013 | CN103423338A Hydraulic apparatus comprising an improved assembly of a hydraulic machine and a clutch |
| 12/03/2013 | US8596404 Commissioning a hybrid drive assembly of a vehicle |
| 12/03/2013 | US8596186 Arrangement for hydraulic eccentric adjustment to set a predefined displacement for a hydrostatic motor |
| 12/03/2013 | US8596058 Hydraulic system and universal testing machine |
| 12/03/2013 | US8596054 Absorber-replenisher in a hydrostatic circuit |
| 12/03/2013 | US8596051 Control valve actuation |
| 11/28/2013 | US20130312397 On Demand Displacement Control of Hydraulic Power System |
| 11/19/2013 | US8584453 Hydrostatic circuit lock valve components, circuits, systems, and method |
| 11/19/2013 | US8584452 Infinitely-variable, hydro-mechanical transmission using fixed displacement pumps and motors |
| 11/14/2013 | US20130298540 Closed-cycle hydro-jet thruster |
| 11/13/2013 | CN102439307B Return to neutral mechanism for hydraulic pump |
| 11/07/2013 | US20130291527 Hydraulic Power Control System and Method |
| 11/05/2013 | US8577560 Controller of hybrid construction machine |
| 11/05/2013 | US8573111 Active implement down force system with automatic latching of tractor power beyond pressure |
| 11/05/2013 | US8572956 Hydraulic pressure supply device of automatic transmission |
| 10/31/2013 | US20130284532 Secondary steering system with margin pressure detection |
| 10/31/2013 | US20130283777 Hydraulic control system having energy recovery |
| 10/29/2013 | US8567186 Control apparatus for working vehicle |
| 10/29/2013 | US8567184 Energy recovery system in a gas compression plant |
| 10/22/2013 | US8561399 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 10/22/2013 | US8561398 Fluid-based power generation system |
| 10/22/2013 | CA2557518C Hydraulic service module |
| 10/17/2013 | WO2013155076A1 Compressed air energy storage systems with split-cycle engines |
| 10/15/2013 | US8555629 Hydrostatic pump |
| 10/15/2013 | US8555628 Variable displacement pump and power steering apparatus using the variable displacement pump |
| 10/10/2013 | US20130263584 System and method for accumulator fluid mixing |
| 10/08/2013 | US8554425 Pressure control system for a hydraulic lift and flotation system |
| 10/08/2013 | US8552982 Position sensing methods for interface devices |
| 10/08/2013 | US8549853 Hydraulic control device and pressure switch |
| 10/01/2013 | US8544264 Pump flow control of hydraulic circuit and associated method |
| 10/01/2013 | US8544263 Construction equipment having electric control lever |
| 10/01/2013 | US8544262 Flow-control assembly with a rotating fluid expander |
| 09/24/2013 | US8543245 Systems and methods for specifying an operational parameter for a pumping system |
| 09/24/2013 | US8542468 Fault condition protection |
| 09/19/2013 | US20130239561 Hydraulic Transaxle |
| 09/17/2013 | US8534061 Dump truck |
| 09/17/2013 | US8534060 Drive device |
| 09/17/2013 | US8534059 Pressure reducing gas storage device, air-jet system, and motor vehicle |
| 09/17/2013 | US8534058 Energy storage and production systems, apparatus and methods of use thereof |
| 09/12/2013 | WO2012120094A3 A gerotor pump, a gerotor motor and a gerotor transmission system |
| 09/10/2013 | US8528594 Hydraulic system with leakage fluid removal |