| Patents for B62M 13 - Transmissions characterised by use of friction rollers engaging the periphery of the ground wheel (229) |
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| 03/17/2004 | EP1398265A1 Mounting unit for bicycle drive |
| 03/03/2004 | CN2605187Y Portable electric cycle |
| 03/02/2004 | US6699161 Adjustable pedal drive mechanism |
| 01/15/2004 | DE20314210U1 Bicycle drive device, in form of electric motor driven spur wheel engaging with matching gear ring fitted inside front wheel rim |
| 12/31/2003 | CN2595647Y Structure of electric bicycle |
| 11/10/2003 | CA2384016A1 Motor and power generator adapted for use on a bicycle |
| 10/15/2003 | CN2579797Y Electric friction booster for bicycle |
| 09/11/2003 | US20030168273 Scooter drive device |
| 07/30/2003 | CN2563077Y Portable electric bicycle |
| 07/24/2003 | WO2003059725A2 Scooter drive device |
| 07/09/2003 | CN1113772C Automatic transmission for electric bicycle |
| 02/27/2003 | US20030037980 Power device of scooter |
| 02/06/2003 | DE20217293U1 Additional drive for bicycle is installed on mounting via hinge plate equipped with joint, and may installed on steering tube or front wheel fork |
| 01/22/2003 | EP1276660A1 Device for the motorization of a bicycle |
| 12/24/2002 | US6497299 Drive apparatus for a cycle |
| 12/12/2002 | WO2002098724A1 Electric drive apparatus for a scooter |
| 11/16/2002 | CA2347315A1 Power unit adapted to bicycles |
| 10/16/2002 | CN2516452Y Electric power aid for bicycle |
| 09/18/2002 | CN2511599Y Electric aid for bicycle |
| 09/05/2002 | CA2370679A1 Tread wheel frame system |
| 08/21/2002 | EP1232938A1 Power kit for light vehicle and step scooter powered by such kit |
| 07/18/2002 | US20020092692 Cruise control device of electric scooter |
| 07/11/2002 | US20020088660 Scooter with power releasing device |
| 07/11/2002 | US20020088659 Powered scooter |
| 07/10/2002 | CN2499332Y Internal driving electric vehicle wheel with multiple motor |
| 07/09/2002 | US6415881 Retaining device of scooter battery set |
| 06/13/2002 | US20020070063 Retaining device of scooter battery set |
| 05/30/2002 | US20020063007 Retrofit kit for motorizing a collapsible mini scooter |
| 05/01/2002 | CN2488808Y Friction self-mounting electric device |
| 05/01/2002 | CN2488807Y Power device for scooter |
| 04/16/2002 | US6371891 Adjustable pedal drive mechanism |
| 04/16/2002 | US6371501 Tread wheel frame system |
| 03/27/2002 | CN2483303Y Gear wheel transmission type bicycle |
| 03/07/2002 | US20020027026 Automatic transmission for electric bicycle |
| 02/26/2002 | US6349785 Scooter type motorcycle |
| 02/20/2002 | CN1336883A Kit for converting a muscle-powered vehicle into a motor-assisted vehicle |
| 02/13/2002 | CN1079069C Electric drive assembly for bicycle |
| 01/30/2002 | CN1333724A Automatic transmission for bicycle |
| 01/03/2002 | US20020000339 Power device of scooter |
| 01/02/2002 | CN2468892Y Electric propulsion mechanism of scooter |
| 12/20/2001 | WO2001096175A1 Bicycle and motorcycle with energy-saving wheel drive mechanism |
| 12/05/2001 | CN2463309Y Pacer of electric scooter |
| 12/04/2001 | US6324994 Hybrid transit system |
| 11/01/2001 | WO2000050298A9 Drive apparatus for a cycle |
| 10/17/2001 | EP1144244A1 Automatic transmission for electric bicycle |
| 10/11/2001 | US20010028157 Tread wheel frame system |
| 06/27/2001 | CN2436409Y Bicycle speed booster |
| 06/21/2001 | WO2001044043A1 Device for the motorization of a bicycle |
| 06/20/2001 | EP1108643A1 Motorized drive for bicycle |
| 05/01/2001 | US6224080 Spokeless bicycle system |
| 04/19/2001 | WO2001026956A1 Differential dual drive bicycle assembly |
| 01/03/2001 | CN2412838Y Electric booster for bicycle |
| 12/05/2000 | US6155127 Chainless drive mechanism |
| 11/29/2000 | EP1055594A2 Scooter type motorcycle |
| 11/29/2000 | CN1274663A Light and small motorbicycle |
| 08/31/2000 | WO2000050298A1 Drive apparatus for a cycle |
| 08/30/2000 | EP1031505A1 Drive apparatus for a cycle |
| 08/29/2000 | US6109633 Bicycle capable of vertical motion |
| 08/15/2000 | US6102148 Electrically powered bicycle driving mechanism |
| 08/01/2000 | US6095274 Engine drive for scooter |
| 07/13/2000 | WO2000040457A1 A kit for converting a muscle-powered vehicle into a motor-assisted vehicle |
| 07/13/2000 | WO2000040456A1 Automatic transmission for electric bicycle |
| 07/13/2000 | CA2356932A1 Automatic transmission for electric bicycle |
| 06/28/2000 | CN2384850Y Electric bicycle squirrel-cage type driving device |
| 05/23/2000 | US6065557 Power assist assembly for wheeled vehicles |
| 05/03/2000 | CN1051971C Auxiliary drive apparatus |
| 11/30/1999 | US5992553 Pedal power sensor and human powered vehicle drive augmentation responsive to cyclic pedal power input |
| 07/29/1999 | DE19802937A1 Auxiliary drive with electric motor, accumulator, switch device and friction wheel force transmission for bicycles |
| 03/03/1999 | CN1209737A Motor-assisted wheel chair and driving mechanism therefor |
| 12/24/1998 | DE19724333A1 Inertial drive for bicycle or scooter |
| 12/01/1998 | US5842535 Electric drive assembly for bicycles |
| 09/01/1998 | US5799747 Bicycle power assist |
| 08/05/1998 | EP0856460A1 Vehicule propelled by muscular power, in particular bicycle |
| 07/14/1998 | US5778998 Electrical auxiliary drive for a bicycle |
| 06/16/1998 | US5765658 Quick disconnect latching apparatus for a power assist for a bicycle |
| 06/04/1998 | WO1998023239A1 A motor-assisted wheel chair and a driving mechanism therefor |
| 04/07/1998 | US5735363 Auxiliary drive apparatus |
| 03/05/1998 | DE19635808A1 Auxiliary drive for rimmed vehicle-wheel |
| 02/12/1998 | DE19633345A1 Compact battery-powered auxiliary electric motor drive for bicycle |
| 09/30/1997 | US5671821 Electric propulsion system for a bicycle |
| 08/26/1997 | US5660242 Self starting and braking clutch for fluid coupling for small engine with direct wheel drive |
| 05/29/1997 | WO1997018984A1 Clutch for fluid coupling for small engine |
| 05/06/1997 | US5626354 Bicycle transmission and the method of utilizing the same |
| 12/25/1996 | CN1138543A Electric drive assembly for bicycles |
| 11/21/1996 | WO1996036527A1 A bicycle transmission and the method of utilizing the same |
| 09/04/1996 | EP0729421A1 Auxiliary drive for a bicycle |
| 03/27/1996 | CN1119427A Auxiliary drive apparatus |
| 02/13/1996 | US5491390 Electric propulsion system for a bicycle |
| 12/27/1995 | EP0688281A1 Auxiliary drive apparatus |
| 11/28/1995 | US5470281 Drive apparatus for a cycle |
| 08/17/1995 | DE4404518A1 Electric drive for assistance of vehicle propulsion in urban traffic |
| 06/13/1995 | US5423393 Auxiliary engine assembly for a bicycle |
| 06/08/1995 | WO1995015276A1 Auxiliary drive for a bicycle |
| 06/08/1995 | DE4443014A1 Auxiliary electric drive for pedal cycle |
| 05/31/1995 | CN1103041A Drive apparatus for a cycle |
| 04/12/1995 | EP0647193A1 Motorized cycle |
| 03/22/1995 | EP0644110A2 Drive apparatus for a cycle |
| 11/10/1994 | WO1994025333A1 Motorized cycle |
| 09/29/1994 | WO1994021509A1 Auxiliary drive apparatus |
| 09/15/1994 | WO1994020357A1 Bicycle power assist |