Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7234485 | Tire valve Hollow particle can be charged into a tire when a second stem is disconnected from a first stem in a tire valve of the present invention. When the second stem is fitted in the first stem, the hollow particle is sealed in the tire by a filter provided on the second s... | 06/26/2007 |
| 6962181 | Pneumatic tire having built-in sealant layer and preparation thereof This invention relates to a pneumatic tire having a built-in sealant layer and its preparation. The sealant layer precursor is a layer of a butyl rubber based composition which contains an organoperoxide. The butyl rubber of said precursor is a copolymer of isobutyl... | 11/08/2005 |
| 6918979 | Method for making tires filled with flatproofing material A tire, and an apparatus and method for forming a tire. The tire may either be a tubed or tubeless tire, and is filled with a mixture of virgin rubber and small rubber pieces. Preferably, a machine grinds the core of used flatproofed tires, or pieces thereof, into a... | 07/19/2005 |
| 6896020 | Tire inflated with a plurality of balls A tire assembly includes a safety rim, defining recesses on its inner surface, a tire including left and right edges, which are received in said recesses, and a plurality of inflated balls lying between the tire and the rim. ... | 05/24/2005 |
| 6223795 | Vehicle inner tube with means for protection against piercing of pointed objects A vehicle inner tube, which includes an inflatable tube formed of a plurality of air balls, the inflatable tube having an air chamber defined on the inside, two sets of curved grooves spirally arranged at two opposite side walls thereof around an air cham... | 05/01/2001 |
| 6209600 | Inner tube having multiple air cells and breakers An inner tube for a vehicle tire, which includes a base having air chambers in two opposite side walls thereof and zigzag insertion slots around the periphery of each of the side walls, a multi-cell rubber tube mounted on the base between its side walls a... | 04/03/2001 |
| 6050312 | Inner tube with multiple air cells and breakers for protection against piercing of an external pointed object An inner tube for a vehicle tire, including a base, the base having two outer walls, two inner walls, an annular air chamber connected between the inner walls, and a plurality of rubber coated breakers retained between the inner walls and the outer walls ... | 04/18/2000 |
| 6047753 | Vehicle inner tube with protective breaker means A vehicle inner tube includes an inflatable tube, a protective tube mounted around the inflatable tube for protection, the protective tube formed of a plurality of air balls and having recessed breaker seats equiangularly spaced around its inner diameter,... | 04/11/2000 |
| 5894874 | Tire tube containing elastics members A tube or tubeless tire, which can be punctured and still allow a vehicle to continue running, includes a plurality of spherical members formed of foamed rubber or foamed urethane. The spherical members are contained inside an air chamber of the tire and ... | 04/20/1999 |
| 5031679 | Syntactic foam tire inserts for flat-proof tire and vehicle tire including same This invention is a composite cellular tire insert for insertion into the interior of pneumatic type tires to eliminate flats and blow-outs. The composite cellular tire insert is comprised of a multiplicity of preconstructed, hollow, pressurized, elastome... | 07/16/1991 |
