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| Number | Title | Issue Date |
| 7332047 | Adherent, removable barrier film for tire carcass A bond of a rubbery component to a virgin surface of a tire's cured innerliner which virgin surface has never been contaminated by the remnants of a release agent left after buffing with a wire brush and solvent-cleaning the cured innerliner, is unexpectedly stronge... | 02/19/2008 |
| 7259204 | Tire compositions comprising surface-modified silica A tire having a tread, where the tread includes a vulcanized rubber and silica that has been surface-modified with polymer chemically attached to the silica surface. ... | 08/21/2007 |
| 7252728 | Method for forming a pneumatic tire A tire with a changing tread pattern is formed by first forming a tire having a tread, the tread having at least one circumferential or lateral groove. Formed separately is a wearable filler, the wearable filler having a configuration corresponding to at least a por... | 08/07/2007 |
| 7249620 | Pneumatic tire A tire with a changing tread pattern is formed by first forming a tire having a tread, the tread having at least one circumferential or lateral groove. A wearable filler, having a configuration corresponding to at least a portion of the circumferential or lateral gr... | 07/31/2007 |
| 7168768 | Rubber coated wheel A vehicle wheel includes a central hub region and a rim coaxial with the central hub region. The rim is configured to receive a motor vehicle tire and includes an exposed annular surface visible when the tire is received on the rim. A middle region extends from the ... | 01/30/2007 |
| 7140123 | Roller and clothes drying apparatus provided with the same A roller capable of easily absorbing impact transmitted thereto while maintaining a desired level of abrasion resistance, and a clothes drying apparatus provided with the roller. The roller is provided with an impact absorption enhancer capable of causing the roller... | 11/28/2006 |
| 7066226 | Fuel efficient vehicle tire having a variable footprint and low rolling resistance A tire for vehicles offering low rolling resistance wherein the ground-contact surface area is variable as a portion of the tread part can be retracted and/or extended using pneumatic, mechanical or hydraulic force to withdraw from, or come into contact with the roa... | 06/27/2006 |
| 7050605 | Designing tread with fractal characteristics A methodology is provided for designing traction surfaces intended to grip and provide traction on substrate surfaces. Fractal geometry is used to design tire treads, shoe treads, elastomeric traction surfaces, drive rollers, friction wheels for material locomotion ... | 05/23/2006 |
| 7013548 | Method for increasing friction between wheel and road using gliding preventer A device to be fitted on a vehicle wheel in order to increase the friction between the wheel and the road surface during winter conditions, comprises a belt that can encircle the tread of the wheel and be held in place by means of flexible inner and outer side porti... | 03/21/2006 |
| 6955782 | Method of molding a tire and mold therefor A tire molding method as disclosed wherein a segmented mold (2) has lugs (40) in the shoulder regions of the segments (4) with complimentary lug extensions (30) in the sidewall forming annular rings (6,8). The lug extensions (30... | 10/18/2005 |
| 6918544 | Automobile traction devices Traction devices for an automobile tire include an adherent elongate expanse and a studded layer sandwiched between the adherent layer and the surface of a tire. ... | 07/19/2005 |
| 6905564 | Process for creating expandable tire chamber A process for producing a tire having an expandable chamber utilized for extending and retracting studs provided in the periphery of the tire. In one embodiment, a non-stick film is strategically positioned between the casing and the tread prior to curing the tread ... | 06/14/2005 |
| 6802349 | Anti-skid device for motor vehicles with pneumatic tires An anti-skid device for motor vehicle with pneumatic tires comprising at least two arms at an angle to each other next to the rim when in the installed state, a fastening device for attaching the arms to a wheel of a motor vehicle with an adapter part which can be a... | 10/12/2004 |
| 6530406 | Chain tightening apparatus and method of using the same Apparatus for tightening chains that are installed on a tire, as well as methods for using such apparatus is disclosed. The chain-tightening apparatus provides a mechanism for uniformly tightening the chains, as well as maintaining a constant uniform tens... | 03/11/2003 |
| 6386252 | Traction device for vehicle wheels A traction device for vehicle wheels comprises an expandable and contractible member (10) mounted next to a wheel (70) or in between dual wheels (12, 14). In another embodiment the device comprises an air chamber (106, 134) formed in the tread of the tire... | 05/14/2002 |
| 6346637 | Ether containing siloxy compounds The present invention relates to compounds of the formula ##STR1## where R1, R2 and R3 are independently selected from alkoxy radicals having from 1 to 8 carbon atoms; R4 and R5 are independently sele... | 02/12/2002 |
| 6273159 | Wheel cover for preventing tire marks An apparatus which is used to cover a tire in order to prevent the tire from leaving marks on an area the tire travels across. The apparatus uses an elongated flexible piece of material of sufficient length to cover the outside circumference of the tire. ... | 08/14/2001 |
| 6092576 | Tire having anti-slip properties An automobile tire having an anti-skidding function and useful throughout all seasons is provided which permits the automobile to run while maintaining the anti-skidding function even if it encounters a snowless road during a travel on a snow-covered road... | 07/25/2000 |
| 5909945 | Traction augmentation device An elasticized sock (22) is formed from a cowling of elastomer material which is so limp in the normally relaxed state thereof as to be essentially formless; and the sock is stretched about the outer periphery (18) of a movable boss, i.e., the welt of a s... | 06/08/1999 |
| 5836091 | Traction enhancing articles of manufacture An improved traction enhancing article is provided which is applicable to many different items such as shoes, skateboards, snowboards and the like. The traction enhancing article has a plurality of regularly spaced cleats embedded in a flexible base which... | 11/17/1998 |
| 5785351 | Traction device for wheeled vehicle A traction device for a wheeled vehicle comprises a rotor mounted to a supported component of the vehicle and displaceable between a deployed position, in which the rotor is close to the ground and in contact with the tire of a driven wheel of the vehicle... | 07/28/1998 |
| 5753365 | Rubber composition and all season type pneumatic tires made from a rubber composition A rubber composition includes a rubber component and particulates of a crystalline syndiotactic-1,2-polybutadiene resin dispersed therein. The particulates have an average particle diameter of 1 to 500 μm, and the melting point of the crystalline syndiot... | 05/19/1998 |
| 5733394 | Radial agricultural tire with a pitched tread The present invention relates to an agricultural tire (10) having a casing (12) with a radial ply carcass (14) and an annular tread (40) having two sets (48,50) of lugs (44). The tire (10) has a greatly reduced lug vibration. The tread (10) is divided int... | 03/31/1998 |
| 5707463 | Adjustable studded tire system for operation during the course of driving Adjustable studded tire system for operation while driving or parking. The system includes a hydraulic pump unit which by elastic tubes molded into the outer layer of the vehicle tire can move studs into and out of the vehicle tire without having any part... | 01/13/1998 |
| 5454412 | Traction enhancement device for motor vehicle tires A traction enhancement device for vehicle wheels for use in the event of an emergency. The traction enhancement device includes a traction member for being placed across the periphery of the tire of a drive wheel. A first strap is connected with one end o... | 10/03/1995 |
| 5439171 | Traction mat for vehicles A traction mat for vehicles has panels of flexible resilient material interconnected by sets of overlapping links which enable the panels to be folded in a stacked arrangement. Recesses or slots in the upper faces of the panels provide grip for a vehicle'... | 08/08/1995 |
| 5400846 | Tire chain ramp A tire chain ramp member in cooperation with a tire chain assembly is arranged to receive the cross link portion of the tire chain within a groove directed into the top wall of the ramp structure. The ramp top wall accommodates a tire member thereon to pe... | 03/28/1995 |
| 5398742 | Tire structure A tire structure includes bag-like members capable of expansion and contraction and which are buried in anti-slip grooves in the tire surface, and an air supply coupled to the bag-like members for supplying air to inflate the bag-like members to cause the... | 03/21/1995 |
| 5377735 | Anti-skid device for motor vehicles In an anti-skid device for motor vehicles, having a plurality of chain strands (10) distributed over the periphery of a holder (4), which holder can be set into a rotational motion, the holder exhibits a hub (6) having a ring collar (11). The ring collar ... | 01/03/1995 |
| 5332152 | Sands carpet A traction mat is provided for use under a wheel of a motor vehicle on a soft sand terrain which consists of a generally rectangular housing having a plurality of spaced apart treads. A pair of wires extend from one end of the housing and are connected to... | 07/26/1994 |
| 5285834 | No-skid spring chain A pneumatic tire is provided with a central tread area circumferential groove extended thereabout and a skid chain consisting of a link chain section having opposite ends and a generally cylindrical expansion spring semi-permanently interposed between and... | 02/15/1994 |
| 5284196 | Tire chain tightening apparatus A new and improved apparatus for tightening a chain installed on a tire that is mounted on a wheel of a motor vehicle includes a hub assembly and a plurality of tension assemblies. Each tension assembly includes a first end for connecting to the hub assem... | 02/08/1994 |
| 5208273 | Rubber composition and its application The present invention provides a rubber composition which is useful for the treads of studless tires which provides improved grip properties on frozen roads and preserves good performance after being used for a long period of time. The rubber composition ... | 05/04/1993 |
| 5100054 | Vehicle traction assist device A vehicle traction assist device about two feet long that is adapted to be placed at a drive wheel of the vehicle and is stamped from a flat plate of 11 gage cold rolled steel. Apertures are punched out to provide cross bars (30, 32, 34) that are given a ... | 03/31/1992 |
| 5088534 | Traction device having projecting ribs which fit into grooves of a tire tread A device for improving the winter road holding properties of automobiles is disclosed, which includes anti-skid members arranged in grooves in tire treads so as to surround lugs of the tread. A long working life of the anti-skid members may be attained if... | 02/18/1992 |
| 5048646 | Anti-skid device An anti-skid device of the type including an arm, carrying in its outer end a chain-provided pulley that is brought in contact with a vehicle wheel so that the chains are thrown in under the vehicle wheel. The arm is, in its inner end, journaled in a U-sh... | 09/17/1991 |
| 5044411 | Lawnmaker tire cover A cover is used to replace worn tread of a lawnmower tire without requiring replacement of the entire wheel and tire unit. The cover includes a sidewall section formed of nylon stretch material, and a tread section formed of rubber or the like. Pressure s... | 09/03/1991 |
| 4921030 | Sleeve-mounted spike fitted on a vehicle tire The invention concerns a sleeve-mounted spike (10) fitted on a vehicle tire, comprising a rivet (11), a head (12), a tip (13) and a sleeve (14). The clearance (15) between the sleeve (14) and the rivet (11) increases in the direction towards the tip (13).... | 05/01/1990 |
| 4919182 | Motor vehicle emergency tire traction improvement device consisting of polymeric rope An emergency motor vehicle tire traction improving device for attachment or mounting to a conventional motor vehicle tire is made substantially totally of multi-strand polymeric plastic rope and includes three or more separate lengths of the rope connecte... | 04/24/1990 |
| 4886100 | Traction device adapted to compensate for tire size variations resulting from inflation and road deflection An anti-skid traction device adapted to being mounted on a driving wheel tire of a vehicle for obtaining greater traction on ice, snow or mud. The device comprises a set of sturdy, rigid, hooks on the outer ends, which fit over and around a tire, across t... | 12/12/1989 |
