| Patents for B62M 11 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels (4,277) |
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| 05/14/2003 | EP0930223B1 Pedal-driven chain wheel with gear-change system |
| 05/14/2003 | CN2550257Y Longitudinal lay-out full gear type driving bicycle |
| 05/06/2003 | US6558288 Internal transmission device with automatic shift mechanism for a bicycle |
| 05/02/2003 | EP1305204A1 Gear for a bicycle |
| 05/01/2003 | US20030080529 Bicycle with speed change gear |
| 04/30/2003 | CN2547629Y Speed-changing cylindrical gear transmission for bicycle |
| 04/23/2003 | CN2546324Y Gear drive mechanism for bicycle ridden by three persons |
| 04/23/2003 | CN1412024A Power transmission device for electric two-wheeled bike |
| 04/22/2003 | US6551210 Continuously variable transmission |
| 04/16/2003 | CN2545084Y Motorcycle engine transmission |
| 04/16/2003 | CN2545083Y Internal tooth drive flywheel |
| 04/16/2003 | CN2545082Y Flange connected gearing mechanism for ordinary bicycle |
| 04/16/2003 | CN2545081Y Gearing mecham'sm for double person bicycle |
| 04/16/2003 | CN2545080Y Flange connected gearing mechanism for moped |
| 04/09/2003 | EP0983186B1 Bicycle crank gear for reducing effort |
| 04/09/2003 | CN2543827Y Six-position shifting speel variator for motorcycle |
| 04/02/2003 | EP0910530B1 Multispeed bicycle gear system |
| 03/27/2003 | WO2003024182A2 Wheelchair two-speed wheel assembly and quick-release mounting |
| 03/27/2003 | CA2466259A1 Wheelchair two-speed wheel assembly and quick-release mounting |
| 03/26/2003 | CN2541315Y Bicycle backshaft gearbox driven by gear shaft |
| 03/26/2003 | CN1405054A Double-way juggling system |
| 03/26/2003 | CN1405053A Three-speed internal speed variator for rear shaft of bicycle |
| 03/26/2003 | CN1103711C Electric device for electric driven bicycle |
| 03/20/2003 | US20030052531 Two-speed wheel assembly for manual wheelchairs, with a quick-release mounting capability |
| 03/19/2003 | CN2540350Y Synchronous arbor wheel of electric scooter |
| 03/19/2003 | CN1103305C Bicycle with accelerator |
| 03/18/2003 | US6533700 Bicycle hub transmission with a guiding member for a sun gear |
| 03/12/2003 | EP1289827A1 A multi-speed hub gear |
| 03/12/2003 | CN2539689Y Magnetic force resetting solid shaft bicycle autoamtic speed variator |
| 03/12/2003 | CN1401532A Theftproof operating device, speed change operating device and speed change system for bicycle |
| 02/27/2003 | US20030040397 Bicycle front gearshift device |
| 02/26/2003 | CN2537627Y Conical gear group driving bicycle |
| 02/26/2003 | CN2537622Y Speed changing tricycle |
| 02/26/2003 | CN1398754A Anti-theft unit, built-in speed varying unit and speed varying system of bicycle |
| 02/25/2003 | US6523659 Bicycle hub with tight connection ratchet and detachable freewheel |
| 02/20/2003 | US20030034627 Bi-directional pedaling system |
| 02/19/2003 | CN2536488Y Bicycle gearbox |
| 02/19/2003 | CN2536487Y Bicycle middle axle drive |
| 02/19/2003 | CN1397438A Multiple driving hub with loaded shift |
| 02/12/2003 | CN2535318Y Shaft type variabe speed transmission for bicyce |
| 02/06/2003 | US20030024750 Electric vehicle drive system |
| 02/06/2003 | DE10127094C1 Ratchet gear with variable transmission for a bicycle comprises a swash plate device, a rotor device, a spindle device, and a drive connection having a one-way coupling between the spindle device and a housing |
| 02/05/2003 | CN2534094Y Chainless bicycle |
| 02/05/2003 | CN2534093Y Motorcycle engine shaft driving device |
| 02/05/2003 | CN2534092Y Driving device for electric bicycle |
| 02/05/2003 | CN2534091Y Driving device for two-wheel vehicle drawn by man |
| 02/05/2003 | CN1394787A Variable speed controller for bicycle |
| 02/05/2003 | CN1394784A Shaker propulsion motion device |
| 02/05/2003 | CN1394783A Portable folding bicycle |
| 02/05/2003 | CN1394782A Handle-bar control device, hub connected with theft-proof system for bicycle |
| 02/05/2003 | CN1394767A Electric power unit, electric vehicle and motor-driven bicycle |
| 02/05/2003 | CN1100697C Built-in speed changing rim for bicycle |
| 01/23/2003 | US20030017905 Multi-speed gear hub shiftable under load |
| 01/22/2003 | EP1277649A2 Multi-speed hub transmission |
| 01/22/2003 | CN2532011Y Pedal forward/back shifting device for motorcycle |
| 01/22/2003 | CN2532010Y Flange connection type gear driving mechanism for speed changeable bicycle |
| 01/22/2003 | CN2532009Y Bicycle with gear speed variator |
| 01/22/2003 | CN2532002Y Inner gear count-rotation speed changing and crank connection lever gearing pedal bicycle |
| 01/21/2003 | US6508326 Swing arm for vehicle |
| 01/16/2003 | US20030010551 Electrically operated power unit, electric vehicle and electric motorcycle |
| 01/15/2003 | CN2530878Y Electric booster of bicycle |
| 01/15/2003 | CN1098787C Built-in speed-varying hub for bicycle |
| 01/15/2003 | CN1098786C Speed variator for bicycle |
| 01/15/2003 | CN1098785C Built-in variable speed wheel hub for bicycle |
| 01/08/2003 | EP1273510A2 Handlebar control device for bicycles, bicycle hub, and antitheft system connecting the aforementioned devices |
| 01/08/2003 | CN1389371A Transmission mechanism for bicycle and tricycle |
| 01/08/2003 | CN1098192C Built-in variable speed wheel hub for bicycles |
| 01/02/2003 | US20030001357 Electronic bicycle shift control device |
| 01/02/2003 | EP1270397A2 Electronic bicycle shift control device |
| 01/02/2003 | EP1270395A2 Electric driving unit and electric vehicle |
| 01/01/2003 | CN1388032A Multifunctional small-wheel bicycle with folding flexible shaft |
| 12/25/2002 | CN2527500Y Variable speed drum assembly with reverse gear trajectory for motorcycle |
| 12/25/2002 | CN1386671A Inner speed changer device with automatic speed change mechanism for bicycle |
| 12/19/2002 | US20020190173 Bell crank assembly and mounting bracket for a bicycle hub transmission |
| 12/18/2002 | CN2526253Y Automatic speed variator of bicycle with magnetic reset flexible transmission solid shaft |
| 12/18/2002 | CN2526252Y Gearing electric bicycle |
| 12/18/2002 | CN2526251Y Gear for electric bicycle |
| 12/18/2002 | CN1385337A Torsion sensing measurement for vehicle and device for miniturizing big disc |
| 12/18/2002 | CN1385336A Gear driving mechanism for two-person ridden bicycle |
| 12/18/2002 | CN1385335A Gear driving mechanism for two-person ridden bicycle |
| 12/18/2002 | CN1096385C Reduction device for vehicle assisted by electric motor power |
| 12/11/2002 | CN2525034Y 六齿轮自行车 Six gear bike |
| 12/11/2002 | CN1095954C Wheel hub with built-in clutch |
| 12/05/2002 | US20020183159 Internal transmission device with automatic shift mechanism for a bicycle |
| 12/04/2002 | CN2523693Y Self positioned mudguard and gear drum connector of motorcycle |
| 12/04/2002 | CN2523692Y Backing-up devices of motor tricycles |
| 11/27/2002 | CN2522339Y Motorcycle reverse-gear differential mechanism |
| 11/27/2002 | CN1381378A Driving and transmission device for shifting moving of bicycle speed transmission |
| 11/21/2002 | US20020173402 Continuously variable transmission |
| 11/21/2002 | US20020170799 Continuously variable transmission |
| 11/20/2002 | EP1258422A2 Automatic shift mechanism for a bicycle |
| 11/20/2002 | EP0758970B1 Differential selection automatic gear change for pedal vehicles |
| 11/20/2002 | CN2521141Y Bicycle middle axle driving sprocket speed booster |
| 11/20/2002 | CN2521140Y Damping shock absorber for bicycle gear transmission mechanism |
| 11/20/2002 | CN2521139Y Automatic stepless speed changing device for bicycle |
| 11/20/2002 | CN1380218A Multifunctional folding small wheel bicycle |
| 11/14/2002 | WO2002090174A1 Bicycle |
| 11/13/2002 | CN2520283Y Gearing device for electric tricycle capable of shifting speed-adjusting |
| 11/13/2002 | CN2520282Y High-speed bicycle |
| 11/12/2002 | US6478711 Apparatus for changing speed of bicycles |