| Patents for F16H 3 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion (26,889) |
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| 05/22/1990 | US4926713 Multiple gear-ratio automatic transmission |
| 05/15/1990 | US4924731 Hydraulic control device for an automatic transmission |
| 05/15/1990 | US4924729 Multispeed power transmission |
| 05/15/1990 | US4924720 Drive reverser and clutch selector mechanism |
| 05/15/1990 | CA1268962A1 Multi-ratio transmission |
| 05/15/1990 | CA1268960A1 Geared-neutral continuously variable transmission |
| 05/14/1990 | EP0301081A4 Dual epicyclic speed changer. |
| 05/09/1990 | EP0367020A1 Method for gear shift of a change speed gear |
| 05/08/1990 | US4922804 Variable speed hydraulic unit |
| 05/08/1990 | US4922767 Helical gear transmission device |
| 05/08/1990 | US4922599 Method of converting a four speed manual transmission to a five speed transmission |
| 05/02/1990 | EP0366493A2 Multi-stage gear shift transmission |
| 05/02/1990 | EP0366003A2 Line pressure control system for automatic transmission |
| 05/02/1990 | EP0365935A1 Two speed gear train assembly |
| 05/02/1990 | EP0365713A1 Transmission device |
| 05/02/1990 | EP0365607A1 Transmission assembly for vehicle or machine with assisted automatic, semi-automatic and/or non-manual speed control. |
| 05/01/1990 | US4920825 Vehicle engine |
| 05/01/1990 | US4920815 Single shaft shifting mechanism |
| 04/24/1990 | US4919010 Transmission apparatus and method |
| 04/24/1990 | CA1268060A1 Transmission vibration viscous damper |
| 04/24/1990 | CA1268057A1 Transmission system for vehicle having planetary gear type forward and backward drive switching apparatus |
| 04/18/1990 | EP0364063A2 Variable speed change gear for automobiles |
| 04/18/1990 | CN1041433A Constant-power stepless speed variator |
| 04/18/1990 | CN1007652B Multi-speed accessory drive |
| 04/17/1990 | US4916980 Planetary gear type speed change device to provide six forward speed stages with two single pinion type simple planetary gear mechanisms |
| 04/17/1990 | US4916977 Automatic transmission |
| 04/17/1990 | US4916975 System for the control of the output speed of a torque converter with two differentials |
| 04/17/1990 | US4916960 Manual transmission for motor vehicle |
| 04/11/1990 | CN2055882U Mechanical automatic transmission |
| 04/10/1990 | US4914978 Automatic transmission |
| 04/05/1990 | WO1990003529A1 Continuously variable rotational speed/torque control by means of a three-shaft planetary gear |
| 04/05/1990 | WO1990003528A1 Gear box assembly |
| 04/04/1990 | EP0361686A1 Manual transmission and gear rattle damper therefor |
| 04/04/1990 | CN1041029A Transmission ratio changing apparatus and method |
| 03/22/1990 | WO1990002891A1 Infinitely variable drive |
| 03/22/1990 | DE3831752A1 Stufenlose drehzahl-drehmomentregelung mittels dreiwellen-umlaufgetriebe der schaltgruppe 4, mit einer zusaetzlichen abstuetzung Stepless speed-torque control using three-wave rotating gear mounted group of 4, with a additional support |
| 03/22/1990 | DE3830710A1 Infinitely variable power unit, especially for multipurpose vehicles |
| 03/21/1990 | EP0282491B1 Countershaft transmission |
| 03/20/1990 | US4909767 Propulsion unit for inboard-outboard motor |
| 03/20/1990 | US4909101 Continuously variable transmission |
| 03/15/1990 | DE3830026A1 Manual shift transmission for a motor vehicle |
| 03/13/1990 | US4907466 Key shift transmission |
| 03/08/1990 | DE3829550A1 Single-web planetary gearing |
| 03/07/1990 | EP0357584A1 Power take-off gearing specially for the front power take-off shaft of farming tractors |
| 03/06/1990 | US4905806 Synchronizing shift clutch toothing arrangement |
| 03/01/1990 | DE3928133A1 Epicyclic gear train for motor vehicle gearbox - uses same piston to actuate internal clutch and gear box brake |
| 03/01/1990 | DE3906255A1 Oil duct arrangement in an automatic transmission |
| 02/28/1990 | EP0355268A2 Transmission and method of operation |
| 02/27/1990 | US4903798 Hydraulic apparatus for an automatic transmission |
| 02/27/1990 | US4903548 Snap ring support device for an automatic transmission |
| 02/27/1990 | CA1266192A1 Selectable ratio transmission and method of visual identification of the ratio |
| 02/22/1990 | WO1990001648A1 Transmission ratio changing apparatus and method |
| 02/21/1990 | CN1039883A Composition little gear differential transmission mechanism |
| 02/21/1990 | CN1006931B Auxiliary shaft transmision gear |
| 02/20/1990 | US4901600 Manual control for extended range splitter type compound transmission |
| 02/20/1990 | US4901590 Manual transmission for motor vehicle |
| 02/20/1990 | CA1265941A1 Two-shaft gear drive |
| 02/14/1990 | EP0354890A1 A gearbox for automotive vehicles |
| 02/14/1990 | CN2052846U Automobile diffirential stepless speed changer |
| 02/13/1990 | US4900997 Device to guide an object around two axes of rotation |
| 02/13/1990 | CA1265683A1 Transmission for vehicle |
| 02/07/1990 | CN2052461U Transmission with inner engage |
| 02/06/1990 | US4898049 Electro-hydraulic control for reducing engagement shock in an automatic transmission |
| 02/06/1990 | CA1265358A1 Planetary gear set and assembly method |
| 01/31/1990 | EP0268582B1 Transmission |
| 01/30/1990 | CA1264964A1 Transmission mechanism |
| 01/24/1990 | EP0351510A1 Two speed automatic IC engine auxiliary drive |
| 01/24/1990 | CN1006565B Semi-automatic transmission |
| 01/23/1990 | US4895038 Reinforced double toothing planet wheel for a micrometric articulation used more especially in vehicle seats |
| 01/18/1990 | DE3823820A1 Motor car with manual gearshift transmission |
| 01/18/1990 | DE3818710C1 Gearbox for vehicles |
| 01/17/1990 | EP0351096A2 Four speed planetary gear transmission having three driving modes |
| 01/17/1990 | EP0351095A2 Accumulator control for hydraulic actuating pressure of automatic transmission friction clutch or brake |
| 01/11/1990 | WO1990000232A1 Hydraulic transmission stage controller of automatic transmission |
| 01/10/1990 | EP0350201A2 Timing valve for manually selected gears of an automatic transmission |
| 01/10/1990 | EP0214972B1 Change speed gear trains |
| 01/09/1990 | US4892013 Variable speed gearing in rotary electric tool |
| 01/09/1990 | US4892011 Planetary gear mechanism on an automatic transmission |
| 01/09/1990 | CA1264237A1 Differential gear drive |
| 01/03/1990 | EP0349111A2 Servo mechanism for actuating a friction band assembly in a planetary gear set |
| 01/03/1990 | EP0348732A2 Rotational-speed synchronisation method |
| 01/03/1990 | EP0348622A2 Stepped shift transmission |
| 01/03/1990 | CN1038503A Externally toothed planetary gear box with double inputs |
| 01/02/1990 | US4891665 Forward and reverse rotation mechanism |
| 01/02/1990 | US4890636 Fluid pressure control for use in transmission |
| 01/02/1990 | US4890513 For slowing the rotation of a holding shaft |
| 01/02/1990 | US4890512 Hydraulic servo for friction coupling element of automatic transmission |
| 12/27/1989 | EP0347536A2 Four speed ratio automatic power transmission |
| 12/26/1989 | US4889003 Manual transmission gearset brake for synchronized engagement of a sliding gear |
| 12/21/1989 | DE3919791A1 Annular-velocity control device |
| 12/21/1989 | DE3821319A1 Drive unit for equipment at risk of overload, such as chain-driven face equipment in underground mining |
| 12/20/1989 | EP0346539A1 Overdrive transmission unit |
| 12/20/1989 | CN1038146A Pneumatic control system for range type compound transmission |
| 12/19/1989 | US4887487 Hydro-planetary power division system |
| 12/19/1989 | US4887478 Multiple-step gear drive |
| 12/14/1989 | WO1989012185A1 Continuously variable transmission |
| 12/13/1989 | EP0345433A2 Coast clutch control for multiple speed automatic transmission |
| 12/07/1989 | DE3911865A1 Automatic transmission |
| 12/06/1989 | EP0344713A2 Vehicle transmission, particularly for an agricultural tractor |
| 12/05/1989 | US4884667 Automatic change gear control means |