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| Number | Title | Issue Date |
| 7931100 | Auxiliary drive for a trailer Auxiliary drive for a trailer such as a caravan. Said drive consists of a drive unit with a gearwheel. Through linear movement of the drive unit relative to the chassis, said gearwheel can be brought into engagement with a ring gear fitted either on the brake drum o... | 04/26/2011 |
| 7588107 | Self propelled trailer A self propelled trailer for boats or other loads in which the trailer includes two tracked propulsion units. The propulsion units raise to a position adjacent the frame to allow the trailer to be towed by a towing vehicle, and lower to a position in contact with a ... | 09/15/2009 |
| 7328761 | Steerable trailer drive assembly A steerable drive assembly for local movement of a trailer includes an electric motor drive wheel unit having a drive wheel connected to the output shaft of a gear reduction unit. A steering shaft is connected to the drive wheel unit and an upper operating handle. T... | 02/12/2008 |
| 7325638 | Motor vehicle with a primary engine for acceleration and secondary engine augmented by an electric motor for cruising A motor vehicle having a primary internal combustion engine is equipped with a secondary engine and an electric motor to supplement the power produced by the primary engine. The primary engine provides power for acceleration and hill climbing. When in a cruising mod... | 02/05/2008 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7275907 | Boat trailer tug The boat trailer tug includes a primary frame with a mounting beam that is attachable to a boat trailer frame. A primary collar is fixed to the mounting beam front end. A hitch tongue is connected to the collar and extends forward from the collar. A hitch ball recei... | 10/02/2007 |
| 7273114 | Elimination of jack-knifing of the tractor-trailers A tractor-trailer coupling mechanism for a powered tow vehicle and unpowered trailer vehicle which eliminates jack-knifing. The coupling includes at least one extension or more on the trailer vehicle which is constructed to slide into a receptor channel or recesses ... | 09/25/2007 |
| 7225891 | Control system for a vehicle In a control system for a train composed of a towing vehicle and a trailer, the towing vehicle is equipped with an electronically actuatable drive train. A trailer steering angle actual value sensor determines a trailer actual steering angle of a wheel axle which st... | 06/05/2007 |
| 7147070 | Motorized semi-trailer An improved tractor trailer having a tractor unit and a trailer unit and wherein the tractor unit includes an internal combustion engine, the improvement comprising an electrical drive arranged to drive at least some of the wheels on at least one of the axles of the... | 12/12/2006 |
| 7137862 | System and method for controlling multiple model vehicles A system and method for controlling multiple model vehicles while using only a single remote control transmitter. A remote control signal transmitter is provided for transmitting control signals. The transmitted control signals are received by a single master model ... | 11/21/2006 |
| 7112029 | Carrier apparatus and method A carrier apparatus and method includes a pair of oppositely positioned carriers. At least one pair of steerable wheels is connected to at least one of the oppositely positioned carriers. A movable neck is connected to each of the oppositely positioned carriers and ... | 09/26/2006 |
| 7093682 | Multi-combination vehicle incorporating a power trailer A multi-combination vehicle or road-train consisting of a powered prime mover, at least one powered trailer and which may include a number of non-powered trailers. The powered trailer includes a cooling system separated from the engine to provide improved cooling an... | 08/22/2006 |
| 7093681 | Drive train assembly for use in powered vehicles or trailers A drive train assembly for use in powered vehicles or trailers having at least one axle of driving wheels. The assembly includes a coupling mechanism coupling the engine of the vehicle and the driving wheels. The coupling mechanism is activatable between a first and... | 08/22/2006 |
| 7032694 | Propulsion sulky A self-propelled sulky for attachment to existing non-self-propelled equipment,thereby enabling the equipment to be converted into a self-propelled equipment with a modular propulsion system. The sulky includes a frame, a motor mounted to the frame, wheels rotatably... | 04/25/2006 |
| 6973981 | System for the control of multiple transmissions in a multi-combination vehicle A system is provided for the control of two transmissions in a multi-combination vehicle having at least two engines, each engine operatively coupled to one transmission. Each transmission has its own electrical power source and an electronic control unit. The syste... | 12/13/2005 |
| 6945344 | System for the control of multiple engines in a multi-combination vehicle A system is provided for the control of multiple engines in a multi-combination vehicle having at least two engines, each engine having its own power source and an electronic control module. The system includes an electronic throttle control having a power input and... | 09/20/2005 |
| 6926261 | Trailer tongue jack A trailer tongue jack includes a grease (or zerk) fitting for providing grease to internal parts The jack includes an outer tube and an inner telescoping tube. A threaded insert (or nut) is fixedly attached inside an upper end of the inner telescoping tube. A screw ... | 08/09/2005 |
| 6892839 | Multi-combination vehicle incorporating a power trailer The present invention is for a multi-combination vehicle or road-train consisting of a powered prime mover, at least one powered trailer and which may include a number of non-powered trailers. The power trailer includes a cooling device separated from the engine to ... | 05/17/2005 |
| 6880651 | Articulated vehicle, an articulation device and a drive transmission An articulated vehicle is made up of two independently moveable vehicle bodies, for instance tracked vehicle bodies. The first vehicle body has an engine and the second one has a motor/generator. An articulation device connects them to allow the first vehicle body t... | 04/19/2005 |
| 6874807 | Coupling device for a handling trolley A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar ( | 04/05/2005 |
| 6843351 | System for braking control in a vehicle including a multi-combination vehicle A braking system for the control of vehicle speed, the vehicle including an engine having a first plurality of engine cylinders, an electronic throttle, electrical power source and engine brake adapted to provide engine braking, comprising an electronic control unit... | 01/18/2005 |
| 6779616 | Motorized directionally steerable trailer tongue jack A motorized directionally steerable trailer tongue jack having a height adjustment system, a steering system, a drive system, a mounting plate, and a control system. The height adjustment system includes a power transmission screw. The power transmission screw is se... | 08/24/2004 |
| 6571893 | Light vehicle for sporting and off-road biking A vehicle for sporting and off-road driving includes a front and a rear component assembly and a joint arrangement. Each component assembly includes a plate mounted on a single flexible track and that is actuated by the single flexible track. The joint ar... | 06/03/2003 |
| 6523629 | Tandem mobile robot system A robotic vehicle system for terrain navigation mobility provides a way to climb stairs, cross crevices, and navigate across difficult terrain by coupling two or more mobile robots with a coupling device and controlling the robots cooperatively in tandem.... | 02/25/2003 |
| 6419037 | Multi-unit articulated road train propulsion system A distributed propulsion system is provided for a multi-unit articulated road train. The distributed propulsion system includes a tractor having a first propulsion system for propelling the tractor. A trailer is secured to the tractor at an articulated jo... | 07/16/2002 |
| 6361269 | Multicombination vehicle and method for transporting a payload in an underground mine A multicombination vehicle and method are provided for transporting a payload, such as a mined metal ore, over the roadways existing in an underground mine. The multicombination vehicle includes a powered towing unit, which may comprise a rigid body truck... | 03/26/2002 |
| 6347677 | Trailer maneuvering jack with a compact drive wheel A trailer maneuvering jack comprised of a tongue jack and a compact drive wheel assembly. The tongue jack is comprised of an outer sleeve and an extendable and retractable inner sleeve. The drive wheel assembly is comprised of a wheel, motor, and drive tr... | 02/19/2002 |
| 6267163 | Method and apparatus for operating a hydraulic drive system of a feller-buncher A feller-buncher includes a first axle having a number of first wheels attached thereto and a second axle having a number of second wheels attached thereto. The feller-buncher also includes a first hydraulic motor operable to rotate the first axle and a s... | 07/31/2001 |
| 6170585 | Trailer driver A trailer driver for guiding and driving a trailer when the trailer is disconnected from the hitch of a vehicle. The device includes a support frame and a ground engaging wheel rotatably mounted to the support frame. A mounting bracket is pivotally couple... | 01/09/2001 |
| 6119789 | Implement tracking hitch Hitch for interconnecting a tractor to a towed implement such as a sprayer, operated by a power takeoff (PTO) of the tractor. The hitch has a turning axis located close to the front of the implement, and a universal joint in the PTO shall be in vertical a... | 09/19/2000 |
| 6062801 | Multicombination vehicle and method for transporting a payload in an underground mine A multicombination vehicle and method are provided for transporting a payload, such as a mined metal ore, over the roadways existing in an underground mine. The multicombination vehicle includes a powered towing unit, which may comprise a rigid body truck... | 05/16/2000 |
| 6039134 | Motor vehicle A motor vehicle comprising a first vehicle having a vehicle body defining a first inner space and a first drive for driving the first vehicle, and a second vehicle having a second vehicle body defining a second inner space and having a second drive for dr... | 03/21/2000 |
| 6003625 | Rear-drive, ride-on tractor propulsion unit for articulation with manually steerable utility vehicles A rear-drive, ride-on tractor propulsion unit is provided for articulation with manually steerable utility vehicles wherein a hydrostatic trans-axle transmission couples a gasoline motor to individual ones of two drive wheels about which the propulsion un... | 12/21/1999 |
| 5904365 | Combine with powered and steerable grain trailer A powered towing vehicle having steering wheels and a wheeled trailer is connected to the vehicle for its towing. The wheels of the trailer are connected to a source of power for generating forward and rearward movement of the trailer. These wheels also a... | 05/18/1999 |
| 5816349 | Detachable cycle utility carriage A trailer motor carriage configuration that is easily detachable from a bicycle or multi-wheel vehicle. A maneuvering mechanism attaches the carriage to the rear of the vehicle. The mechanism prevents interference of the carriage with the vehicle while ma... | 10/06/1998 |
| 5680715 | Machine for packing snow or the like along a trail The machine incorporates a front and a rear motorized units operatively connected together, and in which power is transmitted from one unit to the other so that they are both serf-propelled. A snow levelling device is disposed between the two motorized un... | 10/28/1997 |
| 5332052 | Detachable all terrain trailer A method of transporting commercial cargoes by truck-tractor/semi-trailer over roadways and by self-propelled/remote-controlled semi-trailer in off-road conditions. The self-propelled semi-trailer can disconnect from its pulling truck-tractor and deliver ... | 07/26/1994 |
| 5330020 | Self-powered towing servomechanism A wheeled tailer power unit includes a self-powered, self-contained towing servomechanism that permits selective towing and control of a trailing vehicle by a leading vehicle in the absence of a power transmitting and control umbilical between the leading... | 07/19/1994 |
| 5147003 | Composite road vehicle with electric and thermal propulsion means A transport method is disclosed wherein relatively slow displacements with frequent stops and relatively rapid displacements with few stops may be efficiently performed with the same vehicle or the same vehicle unit. The slow displacements are made by mea... | 09/15/1992 |
| 4909341 | Unmanned articulated vehicle A tracked vehicle of narrow aspect suitable for unmanned operation both in hazardous environments and on routes normally accessible only to pedestrians, comprises two identical vehicle units (1, 2) each having an independently drivable, full width track (... | 03/20/1990 |
