| Patents for B62K 5 - Cycles with handlebars, equipped with three or more main road wheels (4,651) |
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| 08/29/1990 | CN2061152U Variable speed tricycle capable of forward / backward driving |
| 08/22/1990 | CN2060762U 组合式三轮车 Combined tricycle |
| 08/14/1990 | US4947955 Personal vehicle having a take-apart frame |
| 08/01/1990 | CN2059899U Tricycle with casing |
| 07/31/1990 | CA1272083A1 All terrain vehicle |
| 07/17/1990 | US4941670 Ride-on device for transportation and stunt riding |
| 07/11/1990 | CN1043672A Micro bicycle by standing pedaling |
| 06/20/1990 | CN2058397U Tricycle for old men |
| 06/13/1990 | EP0185772B1 Parallel wheeled device |
| 05/23/1990 | EP0369863A1 Stabilising device for inclinable vehicle |
| 05/15/1990 | US4925202 Three-wheeled pedal-propelled cycle with front and rear brakes |
| 05/15/1990 | US4925200 Tricycle drive mechanism |
| 05/09/1990 | CN2056911U 多功能三轮车 Multifunctional tricycle |
| 05/08/1990 | US4923026 Floor device for vehicles |
| 05/08/1990 | CA1268803A1 Endless articulated steel band vehicle for off-road services |
| 05/02/1990 | CN2056655U Foldable multi-purpose tricycle |
| 05/01/1990 | US4921263 Inclinable vehicule |
| 04/17/1990 | US4917396 Tricycle |
| 04/05/1990 | WO1990003298A1 Improved three-wheeler for tourist, sporting use in general |
| 03/22/1990 | DE3831629A1 Apparatus for motor-drive of bicycles |
| 03/20/1990 | US4909538 Vehicle for sporting use |
| 03/20/1990 | US4909525 Convertible personal vehicle having a take-apart frame |
| 03/07/1990 | CN2054007U Tricycle ridden by two persons |
| 02/27/1990 | US4903857 Leaning vehicle with centrifugal force compensation |
| 02/21/1990 | CN2053186U Low-barycenter sedan tricycle driven by two persons abreast |
| 02/21/1990 | CN2053023U Grain thresher used also as handcart |
| 02/07/1990 | CN2052386U Tricycle with variable distance of the rear wheel |
| 01/31/1990 | CN2051949U Low gravitational center tricycle for the old man |
| 01/31/1990 | CN1039223A Bike suitable for long-distance tour |
| 01/09/1990 | US4892323 All-terrain wheelchair |
| 01/09/1990 | US4892166 Motorized wheelchair assembly having coupling device |
| 01/03/1990 | CN2050393U Amphibious bicycle driven by man power and electric power |
| 12/28/1989 | WO1989012569A1 Velocipede with driven wheel and skate wheel |
| 12/27/1989 | CN2050021U Health care vehicle for old people |
| 12/20/1989 | CN2049611U Mini portable low-speed folding electric-tricycle |
| 12/19/1989 | US4887829 Rear wheel suspension system for a tricycle vehicle |
| 12/19/1989 | US4887685 Steerable motorized three-wheeled vehicles for use by the handicapped and others desiring assistance |
| 12/12/1989 | US4886294 Anti-tip device for a vehicle |
| 11/22/1989 | CN2048047U Portable tricycle |
| 11/21/1989 | US4881610 Guide for hot air from radiator in four wheeled vehicle operated by driver in sitting posture |
| 11/01/1989 | CN2046855U Two-person resultant force tricycle |
| 10/31/1989 | US4877102 Multi-wheeled vehicle suspension and drive mechanism |
| 10/18/1989 | CN2046099U Speed regulating tricycle of driving front wheel |
| 10/17/1989 | US4874055 Chariot type golf cart |
| 10/11/1989 | CN1036178A 多功能平衡自行车 Multifunction balance bike |
| 10/05/1989 | DE3839374A1 Three-wheeled motor vehicle, so-called trike |
| 09/26/1989 | CA1260842A1 All terrain vehicle attachment |
| 09/26/1989 | CA1260035A1 Tri-supported vehicle |
| 09/20/1989 | CN2044572U High-speed horizontal tricycle |
| 09/07/1989 | DE3840919A1 Three-wheeled motor vehicle, so-called trike |
| 09/07/1989 | DE3840908A1 Three-wheeled motor vehicle, so-called trike |
| 09/06/1989 | CN2043963U Mini-bicycle |
| 09/05/1989 | US4863183 Front-cargo tricycle |
| 09/05/1989 | US4863182 Skate bike |
| 08/30/1989 | CN2043596U Small hand tricycle with an engine for maimed person |
| 08/29/1989 | US4860850 Saddle riding type vehicle |
| 08/23/1989 | CN2043208U Safety tricycle |
| 08/09/1989 | CN1034513A Three-wheel two-saddle multi-functional bicycle |
| 08/08/1989 | CA1258237A1 Saddle type wheeled vehicle for off-road services |
| 08/08/1989 | CA1258236A1 Saddle riding type vehicle |
| 08/02/1989 | CN2042048U Abreast-ridden double-people tricycle |
| 08/02/1989 | CN2042047U Double-function tricycle |
| 07/26/1989 | CN2041660U Domestic gearshift tricycle |
| 07/20/1989 | DE3800357A1 Device for steering the front wheels of a four-wheeled light vehicle |
| 07/19/1989 | CN2041289U Single chair type small tricycle |
| 07/18/1989 | US4848504 Convertible walking/riding golf cart |
| 07/13/1989 | DE3744774A1 Combination bicycle and wheelchair - has bicycle fork extended forward at bottom to accommodate axle bracket |
| 07/11/1989 | US4846295 Steerable motorized three-wheeled vehicles for use by the handicapped and others desiring assistance |
| 06/21/1989 | EP0321171A2 Three-wheel vehicle |
| 06/14/1989 | CN2039278U Electric tricycle guided by two front wheels |
| 05/24/1989 | CN2038080U Three wheel bicycle led by double front wheels and driven by an internal-combustion engine |
| 05/23/1989 | US4832399 Front body for four wheeled vehicle operated by a driver in sitting posture |
| 05/17/1989 | CN2037712U Inclination type wind-and rain-proof sleeping tricycle |
| 05/10/1989 | CN2037338U Pedal driving wheelchair |
| 05/09/1989 | US4828284 Treadle cycle |
| 05/03/1989 | EP0313690A1 A children's mini-car |
| 05/03/1989 | CN2036924U Universal vehicle for health and play |
| 05/03/1989 | CN1032643A Mini foldable cycle |
| 05/02/1989 | US4826191 Bicycle or tricyle |
| 05/02/1989 | US4826190 Dual wheel driven tricycle with a fully enclosed multiple speed drive |
| 05/02/1989 | US4826057 Carrier for a vehicle |
| 04/25/1989 | US4824130 Mini foldable cycle |
| 04/19/1989 | CN2036144U Foldable multifunctional manual tricycle |
| 04/12/1989 | CN2035728U Reciprocating four-wheel bicycle |
| 03/29/1989 | CN2034947U New-type tricycle |
| 03/29/1989 | CN2034946U Rocket-shaped bicycle |
| 03/28/1989 | CA1251713A1 Speed changing apparatus usable for a saddle-riding type car |
| 03/02/1989 | DE3727771A1 Bicycle |
| 02/16/1989 | DE3348148C2 Muscle-powered vehicle |
| 02/07/1989 | US4802547 Golf cart |
| 01/25/1989 | EP0300340A1 Transport vehicle for the disabled |
| 01/24/1989 | US4799704 Three-wheeled cycle |
| 01/17/1989 | US4798400 Light-weight and strong vehicle frame for a four wheeled buggy operated by a seated driver |
| 01/17/1989 | US4798395 Cycle apparatus having therapeutic and utility aspects |
| 01/04/1989 | EP0297579A2 Drive device for a vehicle propelled by muscular power |
| 12/21/1988 | CN88201144U Multifunction tricycle with doubl seats |
| 12/14/1988 | CN87205526U Floating axles type small tricycle for both passengers and goods |
| 12/13/1988 | US4790552 Children's cable driven mini-car |
| 12/13/1988 | US4790546 Toy tracked vehicle |
| 12/13/1988 | CA1246461A1 Power transmission system for a vehicle |