| Patents for B62M 19 - Transmissions characterised by use of non-mechanical gearing, e.g. fluid gearing (418) |
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| 10/14/1998 | EP0722402A4 Fluid coupling for small engine with direct wheel drive |
| 09/03/1998 | WO1998038077A1 Hydraulic transmission for bicycles |
| 08/26/1998 | CN2288918Y 气动自行车 Pneumatic bicycle |
| 08/11/1998 | CA2197252A1 Hydrocycle |
| 06/30/1998 | US5772225 For transmitting power between first and second mechanical movement |
| 06/30/1998 | US5771754 Bike hydraulic disk drive and method therefor |
| 04/16/1998 | DE19642465A1 Hydraulic bicycle drive screw=spindle |
| 02/05/1998 | DE19631159A1 Forward motion booster system for bicycle with rear wheel suspension |
| 01/29/1998 | DE19630447A1 Hydrostatic drive with control unit for bicycles |
| 01/28/1998 | CN1171347A Frame for cycle |
| 01/21/1998 | EP0819599A2 Vehicle frame |
| 11/26/1997 | CN1165760A Rack type hydraulic driving bicycle |
| 10/22/1997 | CN1162547A Stepless gearing and energy accumulating bycicle with hydraulic commission |
| 10/16/1997 | WO1997037887A1 Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft |
| 10/15/1997 | CN2264710Y Rack-type fluid gearing cycle |
| 10/02/1997 | DE19612519A1 Hydraulic transmission for bicycles |
| 10/01/1997 | EP0798202A1 Motorcycle with front wheel drive |
| 09/16/1997 | US5667449 Fluid-controlled bicycle transmission |
| 06/18/1997 | EP0779205A2 Two wheel drive motorcycle |
| 04/23/1997 | CN2252765Y Bicycle driving gear having electric oil pressure driving gear |
| 03/12/1997 | CN2249207Y Driving device for motorcycle |
| 02/25/1997 | US5605514 Automatic transmission system for a cycle |
| 02/19/1997 | CN2247632Y Hydraulic transmission of bicycle |
| 01/29/1997 | EP0650419B1 Hydraulic device |
| 01/29/1997 | CN2246116Y Pedal pulse driving-aid bicycle |
| 11/06/1996 | CN2239390Y Bicycle hydraulic driving gear |
| 09/18/1996 | CN2235409Y Liquid transmission bicycle |
| 09/18/1996 | CN2235408Y Power-saving hydraulic driving man power cycle |
| 07/24/1996 | EP0722402A1 Fluid coupling for small engine with direct wheel drive |
| 03/05/1996 | US5495926 Hydraulic power transmission apparatus |
| 02/27/1996 | US5494128 Fluid coupling for small engine with direct wheel drive |
| 12/20/1995 | CN2215446Y Power-saving bicycle with function of waist excrcise |
| 11/30/1995 | WO1995032368A1 Hydraulic power transmission apparatus |
| 09/21/1995 | WO1995025036A1 Variable speed hydraulic drive for single or multi-wheel vehicles and the like |
| 09/20/1995 | CN2207992Y Hydraulic drive unit for manpower vehicle |
| 06/14/1995 | CN2200580Y 液压传动自行车 Hydraulic bike |
| 06/13/1995 | US5423560 Variable speed hydraulic drive, for single or multi-wheel drive bicycles and the like |
| 05/03/1995 | EP0650419A1 Hydraulic drive and braking system. |
| 05/02/1995 | US5411448 Gear shifting mechanism for a transmission |
| 04/20/1995 | WO1995010443A1 Fluid coupling for small engine with direct wheel drive |
| 04/20/1995 | DE4335494A1 Hydrostatic gearless bicycle drive with energy accumulation |
| 04/12/1995 | CN2194333Y Power auxiliary device for bicycle |
| 02/16/1995 | WO1995004890A1 Rotary drive transmissions |
| 02/07/1995 | US5387000 Hydraulic drive system for bicycles and the like |
| 01/11/1995 | CN2187143Y Hydraulic driving moment amplifier |
| 12/28/1994 | EP0630335A1 Hydraulic driving and braking system |
| 11/09/1994 | CN2182130Y Hydraulic drive bicycle |
| 11/02/1994 | CN2181455Y Automatic variable-speed bicycle |
| 09/21/1994 | CN2177659Y Efficient hydraulic driving bicycle |
| 09/13/1994 | US5346234 Vehicle including an hydraulic drive mechanism |
| 08/04/1994 | WO1994002334A3 Hydraulic drive and braking system |
| 08/03/1994 | EP0528923B1 Bicycle with hydraulic driving device |
| 06/15/1994 | CN2168820Y Bicycle drive |
| 05/18/1994 | CN2165091Y Hydraulic transmission for bicycle |
| 04/13/1994 | CN2161557Y Pneumatic variable speed and transmission |
| 02/16/1994 | CN2156126Y 液压传动自行车 Hydraulic bike |
| 02/03/1994 | WO1994002334A2 Hydraulic drive and braking system |
| 02/03/1994 | DE4224075A1 Hydraulisches Antriebs- und Bremssystem Hydraulic drive and brake system |
| 02/02/1994 | CN1081418A Hydraulic transmission gear for bicycle |
| 01/26/1994 | CN2154230Y Hydraulic driving device for rickshaw |
| 09/23/1993 | DE4208657A1 Transmission system for bicycle - comprises pedal-driven hydraulic pump with connecting pipes to hydraulic motor |
| 07/28/1993 | CN2139097Y Hydraulic transmission for bicycle |
| 06/10/1993 | WO1993011027A1 Hydraulic driving and braking system |
| 06/03/1993 | DE4139422A1 Hydraulisches antriebs- und bremssystem Hydraulic drive and brake system |
| 06/02/1993 | CN2134967Y Hydraulic drive of man-power vehicle |
| 05/05/1993 | CN2131783Y Bicycle with gravity driving device |
| 12/16/1992 | CN2124868U Driving gear for bicycle |
| 11/25/1992 | CN2122813U 三轮车 Pedicab |
| 10/07/1992 | EP0507007A1 Pneumatic type auxiliary driving apparatus in bicycle |
| 08/26/1992 | CN2113940U Hydraulic cycle |
| 07/23/1992 | WO1992012042A1 Bicycle with hydrostatic transmission |
| 04/15/1992 | CN1016226B Automatic walking shoes |
| 02/04/1992 | US5085053 Swashplate assembly for a swashplate type hydraulic pressure device |
| 01/09/1992 | DE4115373A1 Fluid transmission for wheel - is controlled by pressure on foot pedal, with pistons, cylinders, plates and pivot bearings |
| 11/28/1991 | WO1991017913A1 Bicycle with hydraulic driving device |
| 11/21/1991 | DE4015962A1 Fahrrad mit hydraulischer antriebseinrichtung Bike with hydraulic drive device |
| 10/23/1991 | CN1055517A Bicycle speed-increased with a miniature hydraulic drive |
| 08/13/1991 | US5038634 Power transmission system |
| 07/25/1991 | DE4040011A1 Hydropneumatic transmission system for bicycle - has pump driven by pedals, which exerts pneumatic pressure on hydraulic fluid |
| 05/22/1991 | CN1051535A Hydraulically driven system of bicycle |
| 05/08/1991 | EP0425720A1 Hydraulic drive system for bicycle |
| 03/12/1991 | US4998596 Self-propelled balancing three-wheeled vehicle |
| 02/28/1991 | DE3928232A1 Hydraulic hub drive with integrated pump and motor - utilises drive to spokes of wheel from whirling disc with cylinder-block by=pass for free-wheeling |
| 02/28/1991 | DE3928231A1 Hydraulic hub drive with integrated pump and motor - utilises chain drive to supporting plate for whirling disc with cylinder-block by=pass for free-wheeling |
| 01/08/1991 | US4984161 Vehicle |
| 10/03/1990 | CN2063108U Hydraulic transmission mechanism for bicycle |
| 09/19/1990 | CN2062315U Driving device for bicycle |
| 07/03/1990 | US4938024 Hydrostatic continuously variable transmission |
| 05/09/1990 | CN2056917U Pedal hydraulic bicycle |
| 03/14/1990 | CN2054433U Manpower hydraulic power device of hydraulic beam transport vehicle |
| 09/13/1989 | CN2044240U Hydraulic driving bycicles |
| 08/16/1989 | CN1034696A Bicycle driven with a hydraulic motor |
| 07/12/1989 | EP0323633A1 A power train for vehicles |
| 06/29/1989 | WO1989005754A1 Bicycle wheel hub variable ratio hydrostatic transmission |
| 01/04/1989 | CN2030170U 液压马达式自行车 Hydraulic motor bike |
| 11/09/1988 | CN87103306A Speed regulation hydraulic bicycle |
| 03/23/1988 | CN87209033U Variable-speed hydraulic bicycle |
| 03/02/1988 | CN87209098U Bicycle with hydraulic transmission and automatic infinitely variable speeds to two-wheels |
| 11/19/1987 | WO1987006902A1 Arrangement on a bicycle |
| 10/03/1987 | CN86206540U Bicycle with hydraulic feed-back device of vibrating energy and inertial energy |