| Patents for B62K 13 - Cycles convertible to, or transformable into, other types of cycles or land vehicles (1,539) |
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| 04/04/1996 | DE4436211A1 Bicycle with two=part frame |
| 03/27/1996 | CN2223243Y Combined three-purpose tricycle |
| 03/27/1996 | CN2223242Y Multi-purpose bicycle |
| 03/21/1996 | DE19531503A1 Bicycle adaptor for towing smaller bicycle |
| 03/19/1996 | US5499689 Motorcycle conversion rear axle mounting system |
| 02/21/1996 | EP0696977A1 Towing device for two- or three-wheel vehicles |
| 01/31/1996 | CN2218696Y Detachable multifunction bicycle |
| 01/30/1996 | CA2129201A1 Multicycle |
| 01/04/1996 | DE4422510A1 Bicycle trailer for child |
| 12/20/1995 | EP0687623A1 Vehicle equipped with wheels and catepillar tracks for use on hard ground and on snow coverred ground |
| 12/20/1995 | CN2215448Y Combined domestic vehicle for travelling |
| 12/12/1995 | US5474146 Snow vehicle |
| 11/28/1995 | US5470088 Bicycle trailer hitch assembly and bicycle trailer incorporating same |
| 10/26/1995 | DE19514028A1 Foot operated scooter=type vehicle |
| 10/25/1995 | CN2210844Y Multi-purpose vehicle |
| 10/17/1995 | US5458213 Fully adjustable motorcycle |
| 10/03/1995 | US5454578 Bicycle towing apparatus |
| 09/13/1995 | CN2207331Y Multifunctional combination domestic trolley |
| 09/08/1995 | WO1995023727A1 Tricycle swing arm assembly |
| 08/24/1995 | DE4407471A1 Constant geometry adjustable frame for bicycle ergometer |
| 07/19/1995 | CN1105328A Multipurpose tricycle made by reforming bicycle |
| 07/18/1995 | US5433466 Cycle attachment for mounting oversize wheels |
| 07/05/1995 | CN1104599A 多功能自行车 Multifunction Bicycle |
| 06/13/1995 | US5423559 Snow cycle |
| 06/11/1995 | CA2111625A1 Kit for converting a motorcycle to a tricycle |
| 06/01/1995 | WO1995014602A1 Ski fixing device for mounting on muscular power-driven or motor-driven two-wheel vehicles |
| 05/18/1995 | DE4339231A1 Tandem bicycle with divided frame |
| 05/10/1995 | CN2196592Y Folding-type bicycle convertable to tricycle |
| 04/25/1995 | CA2065624C Blind folks mobile (bfm) |
| 04/19/1995 | CN2194858Y Bicycle |
| 04/13/1995 | WO1995009761A1 Method of coupling bicycles to one another |
| 03/22/1995 | CN2192540Y Free tricycle with two-person pedal |
| 02/14/1995 | US5388393 Bicycle powered mower |
| 01/18/1995 | EP0634318A1 Foldable bicycle frame |
| 12/21/1994 | CN2185717Y Improved combined tricycle |
| 12/13/1994 | US5372371 Apparatus and methodology for temporarily converting single bicycles into a bicycle built for two |
| 11/24/1994 | WO1994026580A1 Towing device for two- or three-wheel vehicles |
| 11/16/1994 | CN2182779Y Tricycle for aged persons with double driven mechanism |
| 11/02/1994 | CN2181457Y Folding tricycle |
| 11/01/1994 | US5360225 Foldable bicycle frame |
| 10/06/1994 | DE4410813A1 Amphibian, pedal-driven land- and watercraft |
| 09/22/1994 | DE4308414A1 Bicycle which slides over snow |
| 09/21/1994 | CN2177663Y Double-body bicycle with light weapon shooting support |
| 09/21/1994 | CN2177661Y Multifunctional combined children's tricycle |
| 09/14/1994 | CN2176959Y Quick folding combined multifunction bicycle |
| 09/06/1994 | US5344171 Wheeled vehicle for carriage of children convertible between jogging and bicycle trailer configurations |
| 08/30/1994 | US5342074 Dual recumbent vehicle |
| 08/24/1994 | CN2175171Y Multi-function cycle for tourist |
| 08/03/1994 | CN2173203Y Front wheel driving and controlling adjustable box type multi-function bicycle |
| 07/07/1994 | DE4244593A1 Fun bicycle made from two machines |
| 07/06/1994 | CN2170906Y Multipurpose bicycle for child |
| 06/30/1994 | DE4244206A1 Coupling system for linking two bicycles |
| 04/27/1994 | CN2163127Y Multifunction tricycle |
| 04/13/1994 | CN2161548Y Folding bicycle |
| 04/13/1994 | CN2161546Y Bicycle |
| 04/13/1994 | CN2161545Y Combined tricycle |
| 04/06/1994 | CN2160605Y Combined horizontal quadricycle |
| 03/31/1994 | DE4232592A1 Collapsible bicycle-frame with adjustable-angle struts - incorporates telescopic lockable struts clamped against supporting balls at joints |
| 03/03/1994 | DE4228252A1 Device for connecting adult bicycle to one for children - uses connecting bar on saddle support of bigger bicycle releasably coupled to smaller one which runs on rear wheel only |
| 02/23/1994 | CN1082500A Multifunctional vehicle for daily use |
| 02/16/1994 | CN2156114Y Multi-function single-wheel health care vehicle |
| 02/01/1994 | US5282639 Folding tandem bicycle |
| 12/09/1993 | WO1993024359A1 Bicycle |
| 11/24/1993 | CN2147171Y Tricycle reassembling from bicycle |
| 11/24/1993 | CN1078696A Blind folds mobile |
| 11/17/1993 | CN2146418Y Variable-assembly bicycle |
| 11/09/1993 | CA2019471C Child powered bicycle trailer |
| 10/28/1993 | WO1993021054A1 Multicyclist vehicle |
| 10/28/1993 | DE4213211A1 Fun bike trio assembly - consists of one bicycle at front, connected via trailer coupling to two bicycles behind it |
| 08/17/1993 | US5236060 Three-wheel vehicle and conversion kit |
| 08/04/1993 | EP0553901A1 Motorcycle having body height adjusting mechanism |
| 06/29/1993 | US5222348 Bicycle powered mower |
| 06/23/1993 | CN2136794Y Multifunction combined bicycle |
| 06/02/1993 | EP0544649A2 Motorcycle having body height adjustor |
| 05/05/1993 | CN2131778Y Bicycle-tricycle speed conversion device |
| 04/28/1993 | CN2130749Y Portable multifunctional folding tricycle |
| 04/20/1993 | US5203424 Chain adjusting device for vehicles |
| 04/17/1993 | CA2053546A1 Bicycle trailer |
| 04/13/1993 | US5201384 Motorcycle having body height adjusting mechanism |
| 03/31/1993 | EP0534574A2 Motorcycle body height adjusting mechanism |
| 03/31/1993 | CN2128922Y Multi-function bicycle |
| 03/16/1993 | US5193831 Bicycle powered go-cart |
| 03/10/1993 | EP0530930A2 Motorcycle body height adjusting mechanism |
| 02/10/1993 | CN2126844Y Changable join apparatus of attached the third wheel for bicycle |
| 01/05/1993 | US5176395 Wheeled vehicle for carriage of children convertible between jogging and bicycle trailer configuration |
| 12/30/1992 | CN1067412A Universal, simple bike frame |
| 12/02/1992 | CN2123487U Four-wheel cart capable of separating into two low saddle bicycle |
| 11/25/1992 | CN2122818U Sidetricycle |
| 11/19/1992 | DE4115736A1 Four-wheel machine constructed from two bicycles - has adaptors with sockets to receive cross-members to connect bicycles and front wheels connected to give synchronised steering |
| 10/28/1992 | CN2120072U Folding multipurpose bicycle |
| 09/02/1992 | EP0501385A1 Frame particularly for bicycles |
| 08/13/1992 | DE4103713A1 Trailer frame for two=wheeled vehicles - has frame of main tubes, connection tubes and carrier frame |
| 08/12/1992 | CN2112580U Multifunctional folding bicycle |
| 07/08/1992 | CN2109354U Two-purpose tricycle |
| 07/08/1992 | CN2109353U Assembling type tricycle |
| 05/26/1992 | CA1301664C Convertible personal vehicle having a take-apart frame |
| 04/08/1992 | CN2101017U Combined connector of two person bicycle |
| 04/07/1992 | US5102153 Snow cycle attachment for a bicycle frame |
| 04/07/1992 | US5101923 Motorcycle having body height adjusting mechanism |
| 03/18/1992 | CA2051316A1 Snow cycle attachment for bicycle frame |