| Patents for B62K 13 - Cycles convertible to, or transformable into, other types of cycles or land vehicles (1,539) |
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| 04/07/1999 | CN1042815C Blind folds mobile |
| 04/01/1999 | WO1999015394A1 Electrical vehicle |
| 03/25/1999 | CA2246701A1 Bicycle coupling device |
| 03/24/1999 | CN2311421Y Domestic multi-purpose cycle |
| 03/23/1999 | US5884922 Child transport device |
| 03/23/1999 | US5884717 Tricycle swing arm assembly |
| 03/11/1999 | DE19738694A1 Engine driven vehicle with variable length |
| 03/04/1999 | DE19736936A1 Plastics toy car and sledge |
| 02/19/1999 | CA2212249A1 Bar for coupling two (or more) bicycles |
| 01/31/1999 | CA2209136A1 Coupling for child's bicycle |
| 01/28/1999 | WO1999003724A1 Vehicle (variants), vehicle frame, muscular drive (variants), tent-type hood, boot, damping device and step fixation device |
| 01/21/1999 | WO1999002391A2 Wheel attachment |
| 01/19/1999 | US5860662 Bicycle to tandem converter |
| 01/13/1999 | CN2303778Y Multifunction travelling suitcase convertable into bicycle and handcart |
| 12/30/1998 | WO1998040267A3 Bicycle towing device |
| 12/29/1998 | US5853057 Auxiliary wheel conversion assembly for a motorcycle |
| 12/16/1998 | CN2300574Y Double front wheels steering tricycle |
| 12/09/1998 | CN2299792Y Separable cooperative bicycle |
| 12/01/1998 | US5842710 Coupling device for bicycles |
| 11/26/1998 | DE19721686A1 Drive module for bicycle or multi-wheel vehicle |
| 11/25/1998 | CN2298193Y Tandem tail-cycle capable of dismounting and folding |
| 11/17/1998 | US5836600 Tandem bicycle with detachable and foldable rear bicycle frame |
| 11/12/1998 | WO1998049881A2 'bricycle plus' (0 - combustion motor transport & recreational systems) |
| 10/22/1998 | WO1998046466A1 Rail cycle |
| 10/21/1998 | CN2294911Y Manual hand-push, pedal two-purpose cleaning vehicle |
| 10/21/1998 | CN2294908Y Multipurpose bicycle for women and children |
| 10/07/1998 | EP0869021A1 Self-propelled vehicle |
| 10/07/1998 | CN2293504Y Safety bicycle with lower seat |
| 09/17/1998 | WO1998040267A2 Bicycle towing device |
| 09/16/1998 | CN2291362Y Tail cycle connecting device for separable tandem bicycle |
| 09/09/1998 | EP0863067A1 Multi purpose vehicle |
| 08/19/1998 | CN2288130Y Tricycle driven by two persons in side by side |
| 08/13/1998 | CA2197501A1 Linking bar for bicycles |
| 07/28/1998 | US5785335 Trailer cycle |
| 06/24/1998 | CN1038828C Towing device for two or three wheel vehicles |
| 06/17/1998 | CN2284184Y Multifunctional combination chainless two-wheel cycle |
| 06/03/1998 | EP0845407A1 Tricycle transformable to bicycle. |
| 06/03/1998 | CA2191921A1 System for converting a bicycle into a bicycle exercise |
| 05/13/1998 | CN2281306Y Bidirectional multifunctional bicycle |
| 05/12/1998 | US5749592 Towing device for two-or three-wheel vehicles |
| 04/28/1998 | US5743543 Bicycle |
| 04/22/1998 | EP0783427B1 Foot-propelled device with wheels and pedal elements |
| 04/14/1998 | US5738361 Snow bicycle |
| 03/25/1998 | CN2276905Y Three purposes folding bicycle |
| 03/18/1998 | CN2276458Y Driving translator for double bicycle |
| 02/26/1998 | WO1998007614A1 Connection device for bicycles |
| 02/26/1998 | DE19634225A1 Verbindungsvorrichtung Connecting device |
| 02/25/1998 | EP0825100A2 Coupling two bicycles together |
| 02/21/1998 | CA2213393A1 Convertible bicycle trailer |
| 02/10/1998 | US5716065 Tandem bicycle |
| 01/15/1998 | DE19625382A1 Multi=purpose vehicle |
| 12/10/1997 | CN2270007Y Wheel jointing mechanism for cycle running on water |
| 12/03/1997 | EP0809587A1 Conversion kit for a two-wheeled scooter |
| 12/02/1997 | US5692760 Child transport device |
| 12/02/1997 | US5692577 Conversion assembly for a motorcycle |
| 11/27/1997 | DE19620711A1 Wheeled vehicle for persons and loads, manufactured in modular fashion |
| 10/22/1997 | CN2265333Y Bicycle capable of converting into tricycle |
| 10/01/1997 | EP0798201A2 Mono or tandem unisex town bicycle/scooter |
| 09/25/1997 | CA2197579A1 Unisex single- or dual-seat city bike/scooter |
| 08/28/1997 | DE19705554A1 Coupling for hitching trailer to bicycle |
| 08/28/1997 | DE19606365A1 Muscle powered marine pedal cycle |
| 08/13/1997 | CN2259349Y Lever driven power-saving variable speed travelling bicycle |
| 08/06/1997 | CN2258852Y 单双组合自行车 Single and double combination bike |
| 07/23/1997 | CN2258138Y Two persons ridable bicycle |
| 07/17/1997 | WO1997025240A1 A two-seater bicycle combined with a single-seater bicycle |
| 07/16/1997 | EP0783427A1 Foot-propelled device with wheels and pedal elements |
| 07/10/1997 | WO1997024237A1 Self-propelled vehicle |
| 07/09/1997 | CN1153727A Multiple-purpose saddle chair |
| 07/03/1997 | DE19548371A1 Device for connecting of two conventional bicycles |
| 06/26/1997 | DE19652176A1 Three-wheeled multi-purpose vehicle especially for carrying physically handicapped people |
| 05/09/1997 | WO1997016339A1 Conversion kit for a two-wheeled scooter |
| 05/07/1997 | DE19540578A1 Rollerumbau zu einem Dreirad als Behinderten- und Seniorenfahrzeug Roller conversion to a tricycle as disabled and elderly vehicle |
| 04/09/1997 | CN2251521Y Dual-purpose jinrikisha |
| 03/20/1997 | DE19534070A1 Trailer coupling for bicycle |
| 03/04/1997 | US5607171 Recumbent bicycle |
| 02/26/1997 | CA2184118A1 Coupling device for bicycles |
| 02/19/1997 | CN2247629Y Improved combined tricycle and bicycle |
| 02/19/1997 | CN2247628Y Multifunctional bicycle convertible to other type of cycles |
| 02/12/1997 | CN2247132Y Sleeping type bicycle |
| 02/05/1997 | EP0696977B1 Towing device for two- or three-wheel vehicles |
| 01/15/1997 | CN2245025Y Folding multifunctional bicycle |
| 01/08/1997 | CN2244514Y Multifunctional bicycle |
| 01/01/1997 | CN2244012Y Practical type multifunctional bassinet |
| 12/31/1996 | US5588662 Adjustable bicycle rear axle support assembly |
| 12/31/1996 | US5588661 Wheel mounting bracket and spacer |
| 11/13/1996 | CN2239925Y Folding cycle convertible to tricycle |
| 11/07/1996 | DE19516763A1 Vehicle with seat and frame supporting three wheels |
| 10/30/1996 | CN2238779Y Multipurpose children's cycle |
| 10/22/1996 | US5566591 Engine/transmission adapter kit |
| 10/15/1996 | US5564517 Snowmobile conversion frame kit |
| 08/13/1996 | US5544906 Human powered recumbent vehicle |
| 07/16/1996 | CA2035699C Bicycle kit |
| 07/14/1996 | CA2167149A1 Connecting device for bicycles |
| 06/25/1996 | US5529141 Kit for converting a motorcycle to a tricycle |
| 06/12/1996 | EP0716008A2 Tricycle |
| 06/04/1996 | US5522610 Bicycle adapted for tandem use |
| 05/22/1996 | CN1123017A Towing device for two-or three-wheel vehicles |
| 04/30/1996 | US5511809 Pedal-powered four-wheel vehicle |
| 04/10/1996 | CN2224148Y Foldable combine multi-purpose tricycle |
| 04/04/1996 | WO1996009953A1 Foot-propelled device with wheels and pedal elements |