| Patents for F16H 39 - Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution (1,535) |
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| 11/27/1990 | US4972675 Hydraulically operated continuously variable transmission |
| 11/06/1990 | US4967556 Hydrostatically operated continuously variable transmission |
| 10/03/1990 | EP0389644A1 Variable capacitance, oblique spindle type hydraulique machine |
| 10/02/1990 | US4959959 Distribution ring in hydraulically operated continuously variable transmission |
| 09/04/1990 | US4953426 Housing support for hydraulic displacement unit swashplate |
| 08/29/1990 | EP0384759A2 Differential rotation control device |
| 08/28/1990 | US4951469 Hydrostatic continuously variable transmission |
| 08/28/1990 | US4951466 Warm-up control for transmission hydrostatic unit |
| 08/01/1990 | CN1009024B Axial variable displacement pump or motor |
| 07/10/1990 | US4939900 Hydraulically operated continuously variable transmission |
| 07/04/1990 | EP0376672A2 A torque transmission device |
| 07/03/1990 | US4938024 Hydrostatic continuously variable transmission |
| 06/27/1990 | CN1043366A Rotary positive-displacement pump or motor and usage thereof |
| 06/26/1990 | US4936095 Hydrostatic transmission system and power limiter control therefor |
| 06/19/1990 | US4934214 Differential gearing |
| 06/13/1990 | EP0372367A2 Hydrostatic transmission |
| 06/12/1990 | US4932504 Hydraulic pumps or motors and hydrostatic transmitting systems |
| 05/08/1990 | US4922804 Variable speed hydraulic unit |
| 05/08/1990 | US4922717 Hydraulically operated continuously variable transmission |
| 05/08/1990 | CA1268687A1 Swash plate type hydraulic system |
| 05/02/1990 | EP0366125A1 Hydrostatic transmission system and power limiter control therefor |
| 04/25/1990 | EP0365420A1 Dual-capacity mechanism driven by pressurised fluid, and its use in a closed circuit |
| 04/19/1990 | WO1990004101A1 Variable capacitance, oblique spindle type hydraulique machine |
| 04/17/1990 | US4916901 Swashplate type variable displacement hydraulic device |
| 04/17/1990 | US4916900 Hydraulically operated continuously variable transmission |
| 04/10/1990 | US4914914 Hydrostatically operated continuously variable transmission |
| 04/10/1990 | US4914907 Axle driving apparatus |
| 04/05/1990 | DE3926487A1 Drehmomentverteilungssteuervorrichtung fuer ein kraftfahrzeug Torque distribution control device for a motor vehicle |
| 04/04/1990 | EP0361913A2 Hydraulically operated continuously variable transmission |
| 03/27/1990 | US4911063 Hydraulically operated swash-plate apparatus |
| 03/06/1990 | US4905472 Axle driving apparatus |
| 02/27/1990 | US4903545 Hydrostatic transmission center section |
| 01/30/1990 | US4896506 Transmission with integrated gear reduction |
| 01/16/1990 | US4893548 Hydraulically operated swash-type apparatus |
| 01/16/1990 | US4893524 HST system axle driving apparatus |
| 01/09/1990 | US4891944 Hydraulically operated continuously variable transmission |
| 12/20/1989 | EP0346440A1 Hydraulic differential |
| 12/12/1989 | US4885956 Power transmission |
| 11/08/1989 | EP0340612A1 Differential gearing |
| 11/08/1989 | CN1037021A High efficient driving system for vehicle |
| 11/01/1989 | CN2046950U Z-type table-roller speed-reducing device |
| 10/10/1989 | US4872536 Hydraulic pumps or motors and hydrostatic transmitting systems |
| 10/05/1989 | DE3810162A1 Hydrostatic torque converter executing circulatory translation |
| 08/29/1989 | US4860540 Static hydraulic pressure type continuously variable transmission |
| 08/15/1989 | US4856279 Hydraulically operated continuously variable transmission |
| 08/08/1989 | US4854125 Hydrostatically operated continuously variable transmission |
| 07/12/1989 | EP0323633A1 A power train for vehicles |
| 07/11/1989 | US4845961 Hydraulically operated continuously variable transmission |
| 07/11/1989 | US4845951 Static hydraulic continuously variable transmission |
| 07/11/1989 | US4845949 Parking brake for integrated transmission |
| 07/05/1989 | CN2040468U Hydraulic pumped storage ac-dc power installation for locomotive |
| 07/04/1989 | US4843818 Rotary hydrostatic machines or transmissions |
| 07/04/1989 | US4843817 Integrated hydraulic transmission |
| 06/29/1989 | WO1989005923A1 Hydraulic differential |
| 06/20/1989 | CA1255995A2 Multi-function valve |
| 06/20/1989 | CA1255994A1 Hydromechanical torque transmission device |
| 06/13/1989 | US4838024 Hydraulically operated continuously variable transmission |
| 05/17/1989 | EP0316160A1 Hydraulically operated continuously variable transmission |
| 05/09/1989 | US4827721 Hydrostatic continuously variable transmission |
| 03/29/1989 | EP0309223A2 Hydrostatic continuously variable transmission |
| 03/28/1989 | US4815288 Non-step hydraulic transmission |
| 03/22/1989 | EP0307969A2 Static hydraulic pressure type continuously variable transmission |
| 01/25/1989 | EP0300293A2 Variable speed hydraulic unit |
| 01/04/1989 | EP0297928A2 Swashplate type variable displacement hydraulic device |
| 01/03/1989 | US4794756 Hydraulic differential |
| 12/27/1988 | US4793138 Hydrostatic drive with radially-nested radial-roller pump and motor having common displacement control ring |
| 12/14/1988 | EP0295014A2 Hydrostatically operated continuously variable transmission |
| 11/01/1988 | US4781025 Apparatus for the hydraulic transmission of mechanical power and for the simultaneous multiplication of the speed of rotation |
| 11/01/1988 | US4781022 Swash plate type hydraulic system |
| 10/26/1988 | EP0288161A2 Method of controlling an automatic transmission |
| 10/26/1988 | EP0287801A2 Hydraulic turbine system |
| 09/28/1988 | EP0284336A2 Four-wheel vehicle drive system |
| 09/27/1988 | US4773220 Hydraulic transmission with coaxial power-take-off and motor shafts |
| 09/27/1988 | US4773219 Hydraulic drive system |
| 08/24/1988 | EP0279695A1 Hydrostatically operated continuously variable transmission |
| 07/13/1988 | EP0274251A1 Hydraulically operated swash-type apparatus |
| 07/06/1988 | EP0273634A1 Hydraulically operated swashplate apparatus |
| 07/06/1988 | EP0273633A1 Hydraulically operated continuously variable transmission |
| 07/06/1988 | EP0273632A1 Hydraulically operated continuously variable transmission |
| 07/06/1988 | EP0273631A1 Hydraulically operated continuously variable transmission |
| 06/07/1988 | US4748898 Switching valve device |
| 06/07/1988 | US4748810 Hydromechanical torque transmission device |
| 06/07/1988 | CA1237674A1 Hydraulic turbine system |
| 05/31/1988 | US4747269 Variable speed power-transmitting system |
| 05/31/1988 | US4747266 Hydromotor |
| 05/25/1988 | EP0268484A1 Hydraulically operated continuously variable transmission |
| 05/25/1988 | EP0268483A1 Hydraulically operated continuously variable transmission |
| 05/24/1988 | US4745748 Clutch valve system for static hydraulic continuously variable transmission |
| 05/18/1988 | EP0267752A1 Hydrostatically operated continuously variable transmission |
| 05/03/1988 | US4741251 Swashplate assembly for a swashplate type hydraulic pressure device |
| 04/27/1988 | EP0265333A1 Hydrostatic differential and gearing |
| 04/26/1988 | US4739618 Hydrostatic transmission |
| 04/07/1988 | DE3630515A1 Variable hydrostatic drive |
| 04/05/1988 | US4735050 Static hydraulic pressure type continuously variable transmission |
| 03/30/1988 | EP0261993A2 Hydraulically operated continuously variable transmission |
| 03/30/1988 | EP0261682A2 Hydraulic pumps or motors and hydrostatic transmitting systems |
| 03/16/1988 | EP0259590A1 Controllable hydrostatic drive |
| 03/02/1988 | CN86103754A Sliding hydraulic variable-moment unit |
| 02/16/1988 | CA1232822A1 Torque fluctuation absorber between a flywheel and a stepless hydraulic transmission |
| 02/02/1988 | US4722243 Vehicle transaxle and locking differential and brake assembly therefor |