| Patents for B60D 1 - Traction couplings; Hitches; Draw-gear; Towing devices (10,574) | 
|---|
| 06/20/1990 | EP0373566A2 Ball trailer hitch | 
| 06/20/1990 | EP0373334A2 Measurement device for the axial force of a drawbar coupling | 
| 06/14/1990 | WO1990006453A1 Shock absorber for absorbing traction forces | 
| 06/14/1990 | WO1990006240A1 Traction device | 
| 06/06/1990 | EP0371750A1 Ball hitch assembly | 
| 06/05/1990 | US4930800 Short coupling with variable geometry for trailers | 
| 05/31/1990 | WO1990005647A1 Safety device for vehicles with a trailer | 
| 05/30/1990 | EP0370907A1 Electrical contact broken without pressure, in particular for hitched apparatuses or vehicles | 
| 05/30/1990 | EP0370225A1 Pull coupling for a trailer | 
| 05/29/1990 | US4929028 Lift hitch | 
| 05/23/1990 | EP0369625A1 A ball and socket coupling | 
| 05/23/1990 | EP0369253A2 Plug for the electrical connection of trailers | 
| 05/22/1990 | US4927117 Riding tractor umbrella | 
| 05/15/1990 | US4925205 Tamper resistant trailer hitch | 
| 05/15/1990 | CA1269117A1 Apparatus for lifting an end of a hitch | 
| 05/08/1990 | US4923205 Towing device for vehicles | 
| 05/08/1990 | CA1268794A1 Trailer hitching aid | 
| 05/03/1990 | DE3836700A1 Pneumatic/hydraulic assembly | 
| 05/02/1990 | EP0365893A1 A tractor hitch for mounted and semimounted implements | 
| 05/01/1990 | CA1268499A1 Quick attach coupling | 
| 05/01/1990 | CA1268498A1 Hitch for a vehicle having a single rear wheel | 
| 04/25/1990 | EP0364695A1 Trailer hitch | 
| 04/25/1990 | EP0247078B1 Unmanned articulated vehicle | 
| 04/19/1990 | DE3834883A1 Device for the determination of shaft forces | 
| 04/12/1990 | DE3834305A1 Bolt coupling for vehicles, in particular for armoured vehicles | 
| 04/11/1990 | EP0362543A1 Securing device for a disconnectible hitch at a motor vehicle | 
| 04/05/1990 | WO1990003280A1 Tow bar assembly | 
| 04/05/1990 | DE3833419A1 Brake device | 
| 04/05/1990 | DE3833418A1 Pressure measuring device | 
| 04/05/1990 | DE3832633A1 Kugelzugkupplung Kugelzugkupplung | 
| 04/04/1990 | EP0362170A1 Trailer coupling device | 
| 04/04/1990 | EP0361094A1 Auxiliary device for a tractor, particularly a terrain vehicle | 
| 04/04/1990 | CN2055452U Trailer traction frmae | 
| 04/03/1990 | US4913454 Hoisting and towing bracket for vehicle | 
| 04/03/1990 | US4913451 Vehicular towing hitch | 
| 04/03/1990 | CA1267328A1 Trailer hitch uncouple detecting and signaling apparatus | 
| 03/28/1990 | EP0194285B1 Trailer particularly for camping | 
| 03/27/1990 | US4911460 Trailer tongue jack device | 
| 03/22/1990 | WO1990002681A1 Transmission and articulation arrangement between a terrain vehicle and a trailer | 
| 03/21/1990 | EP0359009A1 Securing device for a disconnectible hitch at a motor vehicle | 
| 03/21/1990 | EP0358973A2 Process for the stability control of hitches | 
| 03/20/1990 | US4909482 Vehicle winch with retractable hitch | 
| 03/20/1990 | US4909341 Unmanned articulated vehicle | 
| 03/08/1990 | EP0331713A4 Hitch device for interconnecting mobile apparatus in tandem. | 
| 03/08/1990 | DE3828771A1 Passenger car with a trailer device | 
| 03/07/1990 | EP0356849A2 Trailer hitch | 
| 03/07/1990 | EP0356753A2 Supporting wheel | 
| 03/07/1990 | EP0356752A2 Friction brake for a trailer hitch | 
| 02/28/1990 | EP0355577A2 Short-coupling device | 
| 02/27/1990 | US4903978 Self aligning trailer hitch | 
| 02/22/1990 | DE3910311A1 Short coupling device | 
| 02/22/1990 | DE3827842A1 Towbar of variable length | 
| 02/20/1990 | US4902161 Hermaphrodite connector for land and seas and air and space applications | 
| 02/20/1990 | US4902030 Short hitch with variable geometry and linkage support bearings movable in a circular arc for so-called balanced trailers and semi-trailers | 
| 02/15/1990 | DE3924148A1 Trailer coupling inclination angle indicator - is attached to trailer coupling head with electronic evaluation of detected inclination angle signal | 
| 02/15/1990 | DE3824028C1 Locking device for a ball-headed coupling | 
| 02/14/1990 | CN2052729U Safety automatic coupler for general-service vehicle and hoist mechanism | 
| 02/13/1990 | CA1265859A1 Actuating arrangement for a power lift | 
| 02/08/1990 | DE3821729A1 Sealing hook | 
| 02/06/1990 | US4898400 Remote operated hitch apparatus with safety interlock | 
| 01/30/1990 | US4896910 Combination bumper and tire storage compartment | 
| 01/18/1990 | DE3824225A1 Pneumatic-hydraulic unit | 
| 01/18/1990 | DE3823547A1 Device mounted on the rear region of a motor vehicle for releasably holding a trailer coupling | 
| 01/16/1990 | US4893963 System for coupling two bodies, for example a carriage and a machining station | 
| 01/16/1990 | US4893856 Combined trailer hitch and storage bumper | 
| 01/16/1990 | US4893829 Self aligning coupling apparatus | 
| 01/16/1990 | US4893717 Trailer hitch for use with a railroad car | 
| 01/04/1990 | DE3833471A1 Hitch for vehicles | 
| 01/03/1990 | CN2050397U Alarm braking device for automobile deflating tyre, releasing tyre and unhooking of two-wheeler | 
| 01/02/1990 | US4890854 Hitch pin | 
| 12/27/1989 | EP0348238A1 A dryer | 
| 12/26/1989 | US4889357 Parking stand for supporting the tongue of a parked trailer | 
| 12/26/1989 | US4889356 Trailer hitch ball assembly | 
| 12/20/1989 | EP0346885A1 Apparatus for attaching a trailer to a vehicle | 
| 12/05/1989 | CA1263555A1 Tractor/implement hitch | 
| 11/28/1989 | US4883285 Removable trailer hitch | 
| 11/23/1989 | EP0342262A1 Collapsible tow bar, particularly for towing vehicles | 
| 11/23/1989 | DE3816359A1 Vertically adjustable trailer coupling for agricultural vehicles | 
| 11/22/1989 | CN1037305A Traction coupling to resist shock and reduce vibration bidirectionally | 
| 11/21/1989 | US4881751 Articulated truck/trailer combination: second cargo unit coupling mechanism | 
| 11/16/1989 | WO1989010853A1 A towing gear for a lorry with a trailer | 
| 11/09/1989 | DE3814282A1 Slip coupling which can be disengaged under load | 
| 11/08/1989 | EP0340614A2 Trailer hitch for trucks, agricultural vehicles or the like | 
| 11/07/1989 | CA1262747A1 Joint for a transversely separated vehicle | 
| 11/02/1989 | EP0247079B1 Obstacle surmounting aid for tracked vehicle | 
| 10/25/1989 | EP0338100A1 Conveyor system | 
| 10/05/1989 | DE3810360A1 Trailer coupling | 
| 10/03/1989 | US4871185 Universal trailer hitching alignment guide | 
| 10/03/1989 | US4871184 Guide assembly for a trailer hitch structure | 
| 10/03/1989 | US4871183 Trailer dolly | 
| 09/27/1989 | EP0334021A2 Device for taking up play between the coupling parts of a trailer hitch | 
| 09/27/1989 | EP0333992A1 Trailer hitch for vehicles | 
| 09/27/1989 | EP0245339B1 Wide track vehicle | 
| 09/26/1989 | US4869521 Collapsible towing hitch | 
| 09/26/1989 | CA1260512A1 Trailer hitch | 
| 09/26/1989 | CA1260038A1 Extensible hitching device for road and rail vehicles | 
| 09/19/1989 | US4867469 Front mount trailer hitch | 
| 09/19/1989 | US4867468 Decking technique for delivering a plurality of trucks and for towing generally | 
| 09/13/1989 | EP0331713A1 Hitch device for interconnecting mobile apparatus in tandem | 
| 09/12/1989 | US4864874 Force measuring device |