| 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) |
|---|
| 01/19/1988 | US4719843 Hydraulic mechanism, engine or pump, provided with rollers mounted on the pistons and with members for holding said rollers in position |
| 01/19/1988 | CA1231621A1 Hydrostatic transmission with fixed fluid capacity ratio between pump and motor |
| 01/13/1988 | CN86106471A Axial variable torsion changing devices and static liquid transmission |
| 09/29/1987 | US4696164 Hydrostatic transaxle and locking differential and brake therefor |
| 09/22/1987 | US4694647 Hydraulic circuit system for use in hydraulically operated vehicles |
| 09/08/1987 | US4691512 Rotary hydrostatic machines or transmissions |
| 09/03/1987 | DE3606342A1 Periodically operating pump with an adjustable displacement volume |
| 09/02/1987 | EP0234631A1 Hydromotor |
| 08/12/1987 | EP0232053A2 Swash plate type hydraulic system |
| 06/02/1987 | US4669267 Hydrostatic hydraulic transmission |
| 04/15/1987 | CN85107299A Hydraulic speed-changing device |
| 04/14/1987 | CA1220405A1 Hydrostatic transmission |
| 03/25/1987 | EP0215705A1 Hydromechanical torque transmission |
| 03/11/1987 | EP0213564A1 Hydrostatic transaxle and locking differentiation and brake therefor |
| 03/11/1987 | EP0213151A1 Hydrostatic drive system |
| 03/03/1987 | US4646521 Hydroversion |
| 03/03/1987 | US4646520 Torque fluctuation absorber between a flywheel and a stepless hydraulic transmission |
| 01/21/1987 | EP0209286A1 Static hydraulic continuously variable transmission |
| 01/08/1987 | DE3523689A1 Fluid transmission |
| 12/30/1986 | EP0206550A1 Static hydraulic pressure type continuously variable transmission |
| 12/30/1986 | EP0205942A1 Hydraulic transmission |
| 12/17/1986 | EP0205368A1 Hydraulic mechanism, engine or pump with rollers mounted on the pistons and with means for keeping these rollers in position |
| 12/09/1986 | US4627237 Hydrostatic transmission with fixed fluid capacity ratio between pump and motor |
| 12/03/1986 | EP0203688A1 Hydrostatic transaxle assembly |
| 10/14/1986 | US4616478 Rotatable hydrostatic transmission |
| 09/02/1986 | CA1210666A1 Neutral start for hydrostatic transmission |
| 08/19/1986 | US4606428 Transaxle differential |
| 07/31/1986 | WO1986004306A1 Hydrostatic drive system |
| 07/08/1986 | US4598546 Wide range rotary gear hydrostatic transmission |
| 07/02/1986 | EP0186500A1 Static hydraulic pressure type continuously variable transmission |
| 04/15/1986 | US4581896 Infinitely variable hydraulic transmission |
| 04/15/1986 | US4581895 Hydrostatic transaxle assembly |
| 04/02/1986 | EP0176427A1 Fluid-pressure feeder for two receptors |
| 01/08/1986 | EP0167043A1 Hydrostatic wheel drive |
| 10/08/1985 | US4545204 Infinitely variable tandem transmission |
| 08/06/1985 | CA1191366A1 Rotary retardation devices |
| 07/30/1985 | US4531369 Flushing valve system in closed circuit hydrostatic power transmission |
| 06/18/1985 | CA1188982A1 Submerged tool rework connector |
| 04/10/1985 | EP0136595A2 Hydraulic drive system for a vehicle |
| 04/02/1985 | CA1184832A1 Input torque control for a variable displacement hydraulic transmission |
| 02/05/1985 | US4497393 Rotary retardation devices |
| 01/15/1985 | US4493189 Differential flow hydraulic transmission |
| 01/15/1985 | US4493188 Drive transmission means |
| 11/27/1984 | CA1178514A1 Hydraulic braking circuit |
| 11/14/1984 | EP0124552A1 Infinitely variable hydraulic transmission |
| 11/13/1984 | US4481769 Control system for hydraulically driven vehicles |
| 10/23/1984 | US4478134 Swash plate type hydraulic device |
| 10/16/1984 | US4476680 For a hydrostatic transmission |
| 10/09/1984 | US4475870 Hydraulic arrangement |
| 09/11/1984 | CA1174142A1 Hydraulic drive system for a vehicle |
| 09/04/1984 | CA1173723A1 Maintaining hydrostatic system control pressure |
| 07/31/1984 | US4462210 Input torque control for a variable displacement hydraulic transmission |
| 07/17/1984 | US4460295 Submersible connector |
| 07/10/1984 | US4458486 Wobble-torque hydraulic transmission |
| 05/10/1984 | WO1984001804A1 Infinitely variable hydraulic transmission |
| 05/08/1984 | CA1166933A1 Drive transmission means |
| 04/24/1984 | CA1166119A1 Drive system for travelling a working vehicle |
| 03/13/1984 | CA1163526A2 Lock-up system for torque converter |
| 03/01/1984 | EP0088794A4 Hydrostatically augmented mechanical drive unit. |
| 03/01/1984 | EP0041518A4 Drive transmission means. |
| 01/17/1984 | US4425758 Maintaining hydrostatic system control pressure |
| 11/15/1983 | CA1156907A2 Apparatus for controlling fluid flow in a hydraulic system |
| 09/28/1983 | EP0089416A1 Maintaining hydrostatic system control pressure |
| 09/27/1983 | CA1154353A1 Crane swing control |
| 09/21/1983 | EP0088794A1 Hydrostatically augmented mechanical drive unit |
| 08/09/1983 | CA1151505A1 Hydrostatic transmission having an overspeed control |
| 08/09/1983 | CA1151471A1 Fluid motor-pump unit |
| 07/26/1983 | CA1150593A1 Control for load sharing pumps |
| 07/19/1983 | CA1150136A1 Hydrostatic transmission |
| 07/13/1983 | EP0020354B1 Manifolded multiple hydraulic pump structure |
| 06/14/1983 | CA1148064A2 Pressure and flow compensated control systems with constant torque and viscosity sensing over-ride |
| 05/17/1983 | CA1146444A1 Pressure and flow compensated control systems with constant torque and viscosity sensing over-ride |
| 03/31/1983 | WO1983001096A1 Hydrostatically augmented mechanical drive unit |
| 03/22/1983 | CA1143303A1 Work vehicle |
| 03/02/1983 | EP0072906A1 Hydraulic control for relieving pressure in a hydraulic drive line |
| 01/04/1983 | US4366671 Hydrostatic transmission |
| 11/17/1982 | EP0064956A2 Hydraulic transmission functioning as a coupling, a variable gearing with forward and reverse, a differential and a brake |
| 11/09/1982 | CA1135158A1 Pressure override control |
| 09/08/1982 | EP0059406A1 Flushing valve system in closed circuit hydrostatic power transmission |
| 08/17/1982 | US4344338 Power transmission device |
| 06/29/1982 | CA1126620A1 Structural unit for hydraulic systems |
| 06/22/1982 | US4336003 Crane swing control |
| 04/06/1982 | US4323137 Work vehicle |
| 02/17/1982 | EP0045832A1 A control system for a variable displacement pump |
| 12/16/1981 | EP0041518A1 Drive transmission means |
| 10/27/1981 | US4297086 Fluid motor-pump unit |
| 08/11/1981 | CA1106731A1 Two speed valves and bi-directional motor system |
| 07/21/1981 | CA1105359A1 Hydraulic system for operation of two winches |
| 06/25/1981 | WO1981001729A1 Drive transmission means |
| 05/26/1981 | CA1101784A1 Hydraulic transmission drive assembly with noise attenuation means |
| 04/28/1981 | CA1100016A2 Hydraulic control system |
| 03/10/1981 | US4255091 Structural unit for hydraulic systems |
| 01/13/1981 | US4244279 Hydrostatic transmission lubrication |
| 01/07/1981 | EP0020354A1 Manifolded multiple hydraulic pump structure. |
| 11/14/1980 | EP0020354A4 Manifolded multiple hydraulic pump structure. |
| 10/28/1980 | CA1088403A1 Hydraulic control and drive system for amphibious vehicle having a topside dragline draw works thereon |
| 09/03/1980 | EP0015127A1 Fluid motor-pump assembly |
| 07/10/1980 | WO1980001401A1 Manifolded multiple hydraulic pump structure |
| 04/08/1980 | US4196587 Multi-mode transmission |
| 04/08/1980 | US4196586 Multi-mode hydrostatic transmission |