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| Number | Title | Issue Date |
| 8162015 | Pneumatic tire having asymmetrical tread pattern Provided is a pneumatic tire capable of improving the drainage performance while favorably maintaining the uneven wear resistance. The pneumatic tire of the present invention is a pneumatic tire having a tread portion provided with at least three main grooves extend... | 04/24/2012 |
| 8151843 | Pneumatic tire with specified outer carcass periphery length and outer ground-contact area A pneumatic tire 1 according to the invention has bead portions 11, 12 including bead cores 11a, 12a, and at least a carcass layer 13 and a tread portion 16 arranged, wherein in a section in a tire-width direct... | 04/10/2012 |
| 8056592 | Grip tire with added puncture protection A lightweight truck and passenger vehicle tire having an improved tread design that provides numerous biting edges for increased grip in mud, snow, loose debris, and when climbing rocks as well as providing increased protection from punctures and cuts to the tire's ... | 11/15/2011 |
| 8037910 | Pneumatic tire A pneumatic tire is provided including a multiplicity of land portions 3A, 3B, 3C, 3D, and 3E formed by main grooves 2 extending linearly in the tire width direction partitioning the tread surface 1, and having a desi... | 10/18/2011 |
| 7891392 | Pneumatic tire with tread having curved oblique grooves and chamfers A pneumatic tire including a tread 2 provided with at least a pair of circumferentially continuous straight crown grooves 3 which extend on both sides of the tire equator C to provide a center land 5 between them and which comprise an inner groo... | 02/22/2011 |
| 7784511 | Pneumatic tire having extension blocks A tire has a tread and a pair of opposing shoulders. In the first sidewall, a series of extension blocks creates a pair of concentric rings. In the second sidewall, a different configuration of extension blocks may be present. The second sidewall has alternating ext... | 08/31/2010 |
| 7762298 | Pneumatic tire with tread having first type of sipes and second type of sipes A pneumatic tire has a tread pattern wherein a circumferential groove continuously extending in a circumferential direction is formed in at least a first half part of a treading face within a range of 10-30% of a treading face width from an end of the treading face ... | 07/27/2010 |
| 7673663 | Pneumatic tire with tread having non-linear rib A pneumatic tire comprises a tread portion provided with a nonlinear rib having an amplitude having a center in the tire axial direction. In a normally loaded condition of the tire, the tread portion has an outside tread edge and an inside tread edge when the camber... | 03/09/2010 |
| 7637296 | Pneumatic driver tire for tracked vehicle A pneumatic drive tire for tracked vehicles is provided having an outer tread surface divided into two zones. The first tread zone has a plurality of lugs and grooves, the grooves may extend across the entire first zone creating soil discharge channels. The soil dis... | 12/29/2009 |
| 7484543 | Tire with tread having continuous rib A tyre for a motor car includes a tread and two shoulders. The tread includes at least one circumferential row of blocks disposed between first and second circumferential grooves. Each of the blocks is delimited by a section of the first circumferential groove and b... | 02/03/2009 |
| 7441575 | Tire with component having nanozeolite The present invention is directed to a pneumatic tire having at least one component, the at least component including a rubber composition, the rubber composition including a diene based elastomer and 10 to 100 parts by weight, per 100 parts by weight of elastomer, ... | 10/28/2008 |
| 7406990 | Runflat tire with sidewall component containing high strength glass bubbles A pneumatic runflat tire comprising a sidewall component comprising a rubber composition comprising at least one diene based elastomer and from about 1 to about 40 phr of glass bubbles having a crush strength of at least 10,000 psi as measured by ASTM D3102-78 in gl... | 08/05/2008 |
| 7387696 | Tire tread design and the construction method thereof A tire tread, comprising a tread pattern formed of groups of motifs arranged, in the transverse direction, in a number M of distributions at least equal to two and of average width Li, Lj, the total of the widths Li, Lj being at least equal to 80% of the width L of ... | 06/17/2008 |
| 7369976 | Method of designing tire, optimization analyzer and storage medium on which optimization analysis program is recorded A design of a tire can be facilitated. An optimization apparatus 30 inputs known design parameters of the shape, structure, and pattern of a tire, and performances thereof by an experimental data input unit 40 and learns, as a conversion system of a ne... | 05/06/2008 |
| 7360569 | Pneumatic tire with tread including circumferential rib region, block regions and sipes It is a subject to improve wet performances and noise performances while restricting degradations in dry performances, and for solving this subject, the pneumatic tire is comprised of a tread grounding surface that is partitioned into four to five regions by three t... | 04/22/2008 |
| 7311128 | Tread having tread pattern elements formed of at least two rubber mixes A tire tread includes a plurality of elements in relief (rib and/or block) having lateral faces, and a contact face intended to come into contact with the roadway during travel. The intersection of each lateral face with the contact face forms a ridge. The tread als... | 12/25/2007 |
| 7278455 | Asymmetrical pneumatic run-flat tire A pneumatic tire is capable of operation during underinflated condition and the construction of sidewalls are configured to compensate for negative cambers acting upon the tire. The inboard side of the tire is softened in comparison to the outboard side of the tire.... | 10/09/2007 |
| 7260458 | Steering device In a steering apparatus, in accordance with a grip limit control process (30b′), it is determined whether or not a grip degree ε estimated by a grip degree estimation arithmetically operating process (30a) is less than a predetermined ... | 08/21/2007 |
| 7251991 | Method for determination of the physical features of a tire A measurement technique determines the physical features of a tire such as a determination of the deformation a tire undergoes during use. The measurement technique utilizes a first belt, or first and second belts, in the tire reinforced with a plurality of metallic... | 08/07/2007 |
| 7222651 | Tire for preventing rollover or oversteer of a vehicle A tire for preventing vehicle rollover or oversteer comprises a pair of bead portions, a pair of sidewall portions, a tread portion extending between the pair of sidewall portions, and a portion of low friction material positioned along an edge of the tread portion.... | 05/29/2007 |
| 7163039 | High-performance tire for a motor vehicle A high-performance tire for a motor vehicle includes a carcass and tread band. The tire may be, for example, of the asymmetrical or directional type. The tread band includes a pattern including a central region, first and second shoulder regions, and first and secon... | 01/16/2007 |
| 7156407 | Wheelchair tire A wheelchair tire has a carcass having a running profile applied to an interior side and optionally having a raised lettering. At least on an exterior tire wall, starting from a region later adjoining with wheel rim edges, to at least a first boundary plane extendin... | 01/02/2007 |
| 7140410 | Asymmetric truck racing tire An improved truck racing tire includes three belts and reduced tread and undertread thickness for weight reduction. An asymmetric shoulder design is provided and circumferential grooves having wear indicia therein at a preselected depth are incorporated into the tre... | 11/28/2006 |
| 7131476 | Pneumatic tire and method of manufacturing the tire A tread rubber G has a short-fiber-mixed rubber portion 10 forming a grounding surface. In a region Y1 between an outer grounding end Eo and a tire equator C located outside of a vehicle when a tire is mounted to the vehicle, the short fibers f are inc... | 11/07/2006 |
| 7093631 | Multipurpose tire for a motor vehicle The tread of a multipurpose tire includes a central region and first and second shoulder regions. Circumferential grooves separate the central and shoulder regions. The central region includes first and second rows of blocks. The first and second rows are arranged b... | 08/22/2006 |
| 6991015 | Pneumatic tire having non-symmetric pattern A pneumatic tire having a non-symmetric pattern in which a land ratio Lo of an outer tread surface portion To facing towards the outside of a vehicle from a tire equator C is set to be larger than a Land ratio Li of an inner tread surface pattern Ti facing towards t... | 01/31/2006 |
| 6971425 | Tire for high-performance vehicles and premoulded tread band having an asymmetrical pattern A tire for a vehicle wheel includes a carcass structure, a belt structure, and a tread band. The tread band pattern includes a central zone and two axially-opposite shoulder zones. The central zone is delimited between axially-inner circumferential grooves and inclu... | 12/06/2005 |
| 6952990 | Land mine overpass tread design A land mine pressure fuse avoidance system has a base. A tread on the base contacts the ground around a land mine and independently distributes pressures around the ground. The tread has plural independent closed cell foam rubber elements. Each element is separated ... | 10/11/2005 |
| 6938659 | Runflat tire having crown-reinforcing insert extending into the sidewalls A pneumatic tire has a crown-reinforcing insert which extends from under the tread substantially, such as at least one-third of the sidewall height, into the sidewall of the tire. Apexes extend from the beads substantially, such as at least one-third of the sidewall... | 09/06/2005 |
| 6918420 | Pneumatic tire including groove bottom rib A pneumatic tire comprises a tread portion provided with at least one wide circumferential groove, the wide circumferential groove extending continuously in the tire circumferential direction and having a groove width GW of not less than 5% of the ground contacting ... | 07/19/2005 |
| 6843291 | Pneumatic tire A tire comprising a carcass extending through sidewall regions and a ground contacting tread region and a tread reinforcing breaker disposed radially outward of the carcass in the tread region, inboard and outboard tread regions each extending between the tread circ... | 01/18/2005 |
| 6823912 | Pneumatic tire having asymmetric block pattern A pneumatic tire comprises: a tread portion provided with an asymmetric block pattern and having an inside tread edge and an outside tread edge to be placed on the inside and outside of a vehicle, respectively; outside lateral grooves extending from the outside trea... | 11/30/2004 |
| 6796347 | Pneumatic tire including auxiliary grooves Auxiliary grooves 28 are formed in land portions 26 so that the wet performance is improved by the increase in the edge factors of the auxiliary grooves 28 and by the water absorbing actions of the auxiliary grooves 28. Since the auxiliar... | 09/28/2004 |
| 6792985 | Pneumatic tire including blocks each provided with cut-slope A pneumatic tire comprises a tread portion provided with at least one longitudinal groove extending in the tire circumferential direction and blocks adjacent to one side of the at least one longitudinal groove, each of the blocks being provided with a cut-slope on a... | 09/21/2004 |
| 6776204 | Tire having a pattern with no intercommunicating paths between the grooves A tire for vehicle wheels includes a tread band having a tread pattern defined between two shoulder ends of the tire. The tread pattern includes two lateral rows of grooves and at least one third row of grooves arranged between the lateral rows. All of the grooves a... | 08/17/2004 |
| 6719025 | Dual composition tread band for tire A tire for a vehicle includes a radial carcass, a tread band disposed radially outward of the carcass, and a belt structure interposed between the carcass and the tread band. The tread band also includes a first portion of a first elastomeric compound having a first... | 04/13/2004 |
| 6672351 | Vehicle tire with continously reducing vertical spacing of tread surface with respect to breaker A vehicle tire comprises a carcass ply (1) extending between two bead regions, a tread region disposed between side walls (7,8) and having a tread surface (6) curved in the axial direction and also a breaker (5) reinforcing the tread region and arranged b... | 01/06/2004 |
| 6640857 | Heavy-duty pneumatic radial tire and wheel rim assembly with support ring A heavy-duty pneumatic radial tire and rim assembly ha s a support ring within the tire to support the tire in a deflated condition, wherein the inner diameter Di of the inside bead portion which is inside with respect to the vehicle is substantially 80 t... | 11/04/2003 |
| 6619352 | Tread profile of a snow tire Tread profile of a snow tire for a vehicle in which at least two vehicle wheels are rotatably mountable outside of a longitudinal vehicle axis. The tread profile includes a plurality of profile block rows aligned in a circumferential direction and distrib... | 09/16/2003 |
| 6609548 | Asymmetrical vehicle tire with balanced wet and dry performance The tire of this invention has an asymmetrical tread pattern with a balanced inboard and outboard tread pattern. The tread pattern has a plurality of tread ribs with their average transverse widths equal to one another at the contact with the road surface... | 08/26/2003 |
