...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7406992 | Tire with low zone comprising a concentration of cords A tire comprising at least one reinforcement structure of the carcass type anchored on either side of the tire in a bead, the base of which bead is intended to be mounted on a rim seat, the reinforcement structure extending circumferentially from the bead towards th... | 08/05/2008 |
| 7367369 | Aircraft tire The invention relates to an aircraft tire with a tread having a running surface of a rubber composition which contains elastomers of which a major portion is a specialized cis 1,4-polybutadiene elastomer and a minor portion is cis 1,4-polyisoprene rubber and which c... | 05/06/2008 |
| 7351759 | Rubber composition for a tire comprising a coupling agent having a polythiosulfenamide function An elastomeric composition usable for the manufacture of tires, based on at least (i) a diene elastomer, (ii) an inorganic filler as reinforcing filler and (iii), as (inorganic filler/diene elastomer) coupling agent, a polysilylated organosilicon compound which is a... | 04/01/2008 |
| 7335807 | Solventless liquid isoprene compounds In one embodiment, this invention relates to a solventless liquid isoprene compound. The compound includes a liquid isoprene rubber. The compound also includes a curing agent selected from sulfur and/or sulfur donors. The curing agent is present in an amount of at l... | 02/26/2008 |
| 7329697 | Elastomeric compositions The present invention includes compositions suitable for tire treads or sidewalls and other articles where abrasion resistance and flexibility are desirable. The invention includes a tire tread or sidewall made by combining a filler; a sulfur cure system; optionally... | 02/12/2008 |
| 7265173 | Tire fabric compositions and methods of production thereof A polymer-based reinforced rubber composition may be produced that comprises a) a plurality of polymer-based fibers, wherein at least some of the plurality of polymer-based fibers comprises at least one surface modification agent; and b) a rubber compound, wherein t... | 09/04/2007 |
| 7258634 | Reinforced lacrosse head A reinforced lacrosse head having improved strength includes a pair of opposing sidewall portions each having a top end and a bottom end, a scoop portion extending between the sidewall portions, a base portion extending between the bottom ends of the sidewall portio... | 08/21/2007 |
| 7249621 | Rubber composition and tire with component of diene-based elastomer composition with corncob granule dispersion This invention relates to a rubber composition and tire having at least one component of a rubber composition comprised of at least one diene-based elastomer, to the exclusion of butyl type elastomers, which contains an internal dispersion of corncob granules. Such ... | 07/31/2007 |
| 7250203 | Airsleeve The present invention is directed to an airsleeve comprising an elastomeric liner; a reinforcing layer overlaying the liner; and an elastomeric cover overlaying the reinforcing layer; the reinforcing layer comprising: i) textile fibers having distributed over surfac... | 07/31/2007 |
| 7207366 | Two-piece tire The present invention relates to a two piece pneumatic tire comprising a carcass and a removable tread belt disposed radially about the periphery of the carcass, the tread belt and carcass meeting at an interface between a radially outermost surface of the carcass a... | 04/24/2007 |
| 7186845 | Polymer-filler coupling additives Dispersion of filler(s) in polymeric compositions are improved by the use of a polymer-filler coupling compound, Q—A—B, wherein Q comprises a dipolar nitrogen-containing moiety that can form a 1,3 dipolar addition to an unsaturated carbon-carbon bond; B is an ox... | 03/06/2007 |
| 7165590 | Heavy duty pneumatic radial tire with carcass ply winding-up portion A heavy duty pneumatic radial tire includes a carcass ply, in which a ply folding portion folding a bead core is successively disposed in a ply body. The ply folding portion includes a main portion folded along the bead core, and a winding-up portion extending conti... | 01/23/2007 |
| 7131474 | Tire with rubber tread of load bearing central and lateral zones The invention relates to a tire having a rubber tread comprised of cap/base construction where the tread cap layer is the load-bearing running surface of the tread having a lug and groove configuration and the tread base layer underlies the tread cap layer wherein t... | 11/07/2006 |
| 7117911 | Pneumatic tire having run flat capability A pneumatic tire having a runflat capability provided with a crescent shaped reinforcing rubber layer at the side part thereof, wherein an inner layer is composed of a thermoplastic elastomer composition containing (A) at least one thermoplastic resin having an air ... | 10/10/2006 |
| 7066228 | Metal/rubber composite for tire A (metal/rubber) composite comprising a rubber matrix reinforced with a metallic body adhering to the rubber matrix by means of an adhesive interphase; the rubber matrix is based on diene elastomer; the metal is a carbon steel, the carbon content of which is between... | 06/27/2006 |
| 7063117 | Tire crown reinforcement with specified rubber decoupling layers A tire having a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two tire beads and a belt reinforcement, the belt reinforcement including at least two superposed reinforcing plies formed by cords parallel in each ply and criss-crossed fro... | 06/20/2006 |
| 7040366 | Tubeless pneumatic tire with carcass having butyl-based inner topping rubber layer A tubeless pneumatic tire is provided including a carcass having a carcass cord web and topping rubber layers covering the opposite sides of the carcass cord web, the carcass extending from a tread portion through a sidewall portion to a bead portion and turned up a... | 05/09/2006 |
| 6988523 | Tread rubber for high traction tires This invention discloses a pneumatic tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to... | 01/24/2006 |
| 6973950 | Tire with low zone comprising a concentration of cords A tire comprising at least one reinforcement structure of the carcass type anchored on either side of the tire in a bead, the base of which bead is intended to be mounted on a rim seat, the reinforcement structure extending circumferentially from the bead towards th... | 12/13/2005 |
| 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 |
| 6951897 | Rubber composition for a tire comprising a reinforcing inorganic filler and an (inorganic filler/elastomer) coupling system The present invention is directed to a rubber composition that is useful for the manufacture of tires, where the composition is based on a diene elastomer, a reinforcing inorganic filler, and a coupling system. The coupling system comprises a polysulfurized alkoxysi... | 10/04/2005 |
| 6941993 | Tire with specified reinforcing ply A tire having at least one reinforcement ply formed of reinforcement elements embedded in vulcanized rubber, characterized in that the reinforcement elements for said ply are individually coated in a rubber mix (B, B1), referred to as “coating mix”, h... | 09/13/2005 |
| 6935395 | Pneumatic tire with carcass ply including main cords and auxiliary cords A pneumatic tire comprises a carcass ply of cords extending between bead portions through a tread portion and sidewall portions, the carcass cords include main cords for reinforcing purpose and auxiliary cords for controlling the outflow of topping rubber during vul... | 08/30/2005 |
| 6905767 | Method for enhancing polymer adhesion using filler particle mix and compositions made using the method A method of making and polymer compositions with enhanced adhesion that include a rubbery or glassy polymer, about 0.1 to 30% by weight of carbon black filler and from about 0.1 to 5% by weight of carbon filler. Preferred polymers are polybutadiene, brominated isobu... | 06/14/2005 |
| 6906121 | 4-nitrosodiphenylamine derivatives and their use as coupling agents for filled rubber compounds A composition of matter is disclosed that comprises a compound of the formula AnR, wherein: A is R1 is hydrocarbyl; m is 0 or 1; ... | 06/14/2005 |
| 6889736 | Run flat pneumatic tire with shoulder cushion rubber layer loss tangent less than carcass coating rubber loss tangent There is provided a pneumatic tire having an aspect ratio of not less than 60 and considerably improving run flat durability as compared with the conventional type of the run flat tire, wherein at least one cushion rubber layer having a loss tangent lower than a los... | 05/10/2005 |
| 6883572 | Pneumatic radial tire with inner carcass ply E*1 different from outer carcass ply E*2 A pneumatic radial tire has a carcass composed of radially inner and outer carcass plies. A complex elastic modulus E*1 of the topping rubber of the inner carcass ply is different from a complex elastic modulus E*2 of the topping rubber of the outer carcass ply, and... | 04/26/2005 |
| 6880601 | Tire bead facilitating mounting A tire including two beads which are intended to be in contact with seats of a mounting rim and two sidewalls, this tire including first reinforcing threads forming a carcass reinforcement, each bead including an anchoring structure for the carcass reinforcement for... | 04/19/2005 |
| 6814118 | Pneumatic tire with specified airtight layer on inner surface A pneumatic tire including a carcass containing a ply of cords defining the innermost reinforcing cord layer extending between bead portions, and an airtight layer disposed inside the cords of the carcass ply along the inner surface of the tire, covering substantial... | 11/09/2004 |
| 6675851 | Rubber based product, method for producing same and method for reducing rolling resistance of a tire made of said product The present invention relates to a rubber-based product, having at least one buffer zone to trap oxygen external to said product in order to protect at least one sensitive zone of said product from oxidation, said buffer zone comprising a composition cont... | 01/13/2004 |
| 6673184 | Tire and method for correcting tire uniformity thereof According to the invention, a pneumatic tire and method of manufacturing the pneumatic tire having improved tire uniformity characteristics is disclosed. The carcass reinforcement ply has a plurality of reinforcement cords embedded in a matrix material th... | 01/06/2004 |
| 6651716 | Method and tire adapted for post cure tire uniformity correction The present invention relates to a tire construction and method of correcting one or more tire uniformity characteristics. A tire has two beads and a carcass reinforcement ply having reinforcement cords. The method is characterized by the steps of A) form... | 11/25/2003 |
| 6626221 | Tire having an improved carcass A tire wherein the reinforcing cords of the carcass, in the part situated between the anchoring zone of the carcass and the sidewall, are in contact with at least one layer of cushion compound having a high modulus of elasticity on the axially outer side ... | 09/30/2003 |
| 6619354 | Run flat pneumatic tire with shoulder cushion rubber layer loss tangent less than carcass coating rubber loss tangent There is provided a pneumatic tire having an aspect ratio of not less than 60 and considerably improving run flat durability as compared with the conventional type of the run flat tire, wherein at least one cushion rubber layer having a loss tangent lower... | 09/16/2003 |
| 6598645 | Tire with at least one of rubber/cord laminate, sidewall insert and apex of a rubber composition which contains oriented intercalated and/or exfoliated clay reinforcement A tire with at least one component of a rubber composition which contains oriented exfoliated platelets derived from an intercalated clay. Such tire component may be, for example, a rubber/cord laminate and, optionally, a sidewall insert and, optionally, ... | 07/29/2003 |
| 6598646 | Tubeless pneumatic tire with carcass having butyl-based inner topping rubber layer A tubeless pneumatic tire is provided including a carcass having a carcass cord web and topping rubber layers covering the opposite sides of the carcass cord web, the carcass extending from a tread portion through a sidewall portion to a bead portion and ... | 07/29/2003 |
| 6548594 | Rubber mixtures Rubber mixtures which comprise (a) a rubber or a mixture of rubbers, (b) a silicatic filler, (c) an organosilane of the general formula (I) R1 R2 R3 Si--R4 --SH (I) (d) an alkylsilane of the general formula (II) R1... | 04/15/2003 |
| 6533008 | Pneumatic tire having a rubber component containing a liquid polysulfide compound The present invention relates to a pneumatic tire having a rubber component comprised of (a) 100 parts by weight of at least one elastomer containing olefinic unsaturation; and (b) 1 to 20 phr of a liquid organic polysulfide polymer having a molecular wei... | 03/18/2003 |
| 6527025 | Tubeless tire A pneumatic tire comprises: a carcass ply extending between bead portions and including a topping rubber layer, the topping rubber layer facing the inside of the tire and made of a butyl rubber compound containing at least 10 parts by weight of butyl rubb... | 03/04/2003 |
| 6520233 | Heavy-transport radial tire with belt cushion gum strip between tread belt and shoulder cushion A heavy-transport radial tire (1) having two annular shoulder cushions (14) made of elastomeric material with a relatively low M200% modulus, and each located at a respective shoulder (9) between a reinforced body ply (4) and a tread belt (10) defined by ... | 02/18/2003 |