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| Number | Title | Issue Date |
| 7845448 | Tracked vehicle, especially a snow scooter A tracked vehicle, especially a snow scooter, that has two laterally spaced-apart front drive-track assemblies (10), each of which is turnable around a substantially vertical axis and which are coupled for common turning. Each drive-track assembly is carried ... | 12/07/2010 |
| 7753155 | Front drive system for a snowmobile A snowmobile having a multiple endless track propulsion system. The multiple track propulsion system includes a rear endless track operably supported to engage a ground surface, and a pair of steerable front endless tracks positioned forward of the rear endless trac... | 07/13/2010 |
| 7404465 | Cruise control system for electric wheelchair A cruise control system for an electric wheelchair includes: a drive unit for driving the electric wheelchair; a user control unit for transmitting user control signals; a controller selectively operable in a normal control mode for controlling the drive unit such t... | 07/29/2008 |
| 7318494 | Snow vehicle suspension system A vehicle comprises a frame and a slide rail disposed below the frame for guiding a drive track along a road surface. An arm has a first portion pivotally coupled to the frame at a frame pivot location and a second portion pivotally coupled to the slide rail at a ra... | 01/15/2008 |
| 7128180 | Snowmobile rear suspension system A rear suspension system for a snowmobile includes a plurality of adjacent closed-loop tracks disposed in a rear tunnel of the snowmobile. Each of the plurality of adjacent closed-loop tracks are rotatably driven by a drive system. One of a plurality of independent ... | 10/31/2006 |
| 6926108 | Snowmobile rear suspension system A rear suspension system for a snowmobile includes a plurality of adjacent closed-loop tracks disposed in a rear tunnel of the snowmobile. Each of the plurality of adjacent closed-loop tracks are rotatably driven by a drive system. One of a plurality of independent ... | 08/09/2005 |
| 6708791 | Snow vehicle A snow vehicle includes a frame having a longitudinal axis, a pair of rear suspension assemblies, a pair of front suspension assemblies, a pair of drive tracks, and a pair of ski assemblies. Each rear suspension assembly pivotally connects a drive track to a rearwar... | 03/23/2004 |
| 6095275 | Conversion system for all terrain vehicles A conversion system for converting an all terrain vehicle (ATV) for use in snow and in other adverse condition, the system including an endless track assembly. Endless track assemblies are comprised of a drive cog mounted on the rear axle, having teeth fo... | 08/01/2000 |
| 5421611 | Supporting and elevating device for a snowmobile A self positioning elevating and supporting device carried at the rearward end portion of a snowmobile which upon being released from an inoperative position self positions itself to elevate and support in elevated position the rearward end portion of a s... | 06/06/1995 |
| 5363937 | Battery operated tracked vehicle A tracked vehicle (10) propelled by a pair of direct current electric motors (35) operating through a power train to a pair of endless tracks (11). Each power train operates a track drive sprocket (14) through a state of the art torque hub. Electric energ... | 11/15/1994 |
| 5014805 | Snow vehicle A snow vehicle having a frame, a body, a windscreen on the frame, two front steerable skis and two rear crawler tracks. An engine and drive train are located at the rear for driving both of the tracks. The drive train includes two fluid couplings, each co... | 05/14/1991 |
| 4872732 | Hydraulic vehicle brake system The proposed vehicle brake system has wheel brakes, a master brake cylinder, an auxiliary pressure source, and a brake booster supplied from it for actuating the master brake cylinder, as well as an apparatus capable of preventing the danger of skidding a... | 10/10/1989 |
| 4421193 | Tread powered ski A self-propelled ski is powered by an engine connected to a pair of treads disposed on opposite lateral sides of the ski. The treads are mounted on a chassis which is pivotally connected to the ski and can be moved between an operative position with the t... | 12/20/1983 |
| 4262767 | Snow scooter A vehicle assembly of the type primarily designed to travel over snow or ice covered terrain and including a first and second drive assembly interconnected in driving relation to the running gear of the vehicle wherein either drive assembly can be activat... | 04/21/1981 |
