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Assignee: Bridgestone Firestone North American Tire, LLC


Location: Nashville, TN
No. of patents: 91

1      
NumberTitleIssue Date
8136562Tire bead insulation
A tire includes bead insulation compound that is formed by combining a rubber component, a bituminous hydrocarbon resin, and a processing oil that includes naphthenic oil. ...
03/20/2012
D597925Tire tread
08/11/2009
7568397Magnetic stability for test fixture
A test machine for testing the tension or compression properties of a test specimen is provided. The test machine utilizes magnetic force to prevent the fixture of the machine from rotating while placing the test specimen in tension or under compression, which accor...
08/04/2009
D596110Tire tread
07/14/2009
7543506Electromagnetic rotation and stability apparatus
A test machine for testing the physical properties of a test specimen is provided. The test machine includes a fixture that applies a first force on the test specimen in a first direction and utilizes magnetic force to bring about the rotation of a fixture to apply ...
06/09/2009
7530803Insert for a tire mold vent
An insert for a tire mold is provided. In one embodiment, the insert has an elongated cylindrical body. The insert includes at least one channel portion with a plurality of channels disposed in a non-axial direction along the surface of the insert. The at least one ...
05/12/2009
7510618Method of forming an assembly of a patch and electronic monitoring device
A patch and method for mounting an electronic monitoring device to the innerliner of a pneumatic tire is provided wherein the monitoring device is potted directly to an attachment patch. A frame is built on an attachment patch and the electronic monitoring device is...
03/31/2009
7478658Tire having a carcass ply turn-up portion with a concave segment
A tire having a section height, a maximum section width, an upper section above the maximum section width, and a lower section below the maximum section width is provided. The tire includes a circumferential tread, a pair of sidewalls, a pair of bead regions each ha...
01/20/2009
D578471Tire tread
10/14/2008
D578470Tire tread
10/14/2008
7409975Apparatus for enhancing light reflective properties of tire sidewalls
An apparatus for enhancing the light reflective properties of a sidewall of a pneumatic tire. The tire may include a pair of sidewalls radially extending from a central axis of rotation of the tire. The sidewalls may include an inner diameter and an outer diameter d...
08/12/2008
D574765Tire tread
08/12/2008
7407552Method and apparatus for protecting innerliner splice of a green tire
A method of creating an air barrier on both sides of an innerliner splice on the inside surface of a green tire when a bladder release lubricant is being applied thereto to prevent contamination of the splice. High pressure air is directed through air nozzles on bot...
08/05/2008
7393564Rubber compositions and articles thereof having improved metal adhesion
A vulcanizable rubber composition having improved adhesion and adhesion retention properties with steel reinforcement includes up about 10 pbw of a compound selected from aminosilanes and/or mercaptosilanes per 100 parts of the rubber component in the rubber composi...
07/01/2008
7387144Tire having a textured marking and method of making same
A tire is provided with at least one textured marking on an outer surface of a sidewall of the tire. The at least one textured marking includes crumb rubber adhered to the sidewall of the tire. ...
06/17/2008
7377155Method for approximating tire flat spot decay and magnitude using regressive analysis
An improved method for determining an initial flat spot magnitude on a tire that has been resting for a period of time on a substantially flat surface uses regression analysis. In accordance with the method, values of a tire flat spot magnitude for a particular type...
05/27/2008
7373287Finite element analysis tire footprint smoothing algorithm using multiple load cases
A method and apparatus for predicting the shape of a contact region of a finite element model deformed against a contact surface. The contact surface may be a rigid body or another finite element model. The shape of a contact region is dictated by the node/element d...
05/13/2008
7370888Apparatus and method for enhancing tire traction
An apparatus and method are provided that utilize a fluid to affect accumulations of water on a road surface in a path of a vehicle. The fluid can be water or an air-water mixture in the environment of the vehicle. A tire is used to gather the fluid. A structure, su...
05/13/2008
7360568Tire having narrowing sipes
A tire having sipes is provided. The tire includes a circumferential tread configured with at least one rib bound by at least one groove. The rib has a plurality of sipes that extend from the groove into the rib wherein one or more of the sipes narrow in a direction...
04/22/2008
7360700Wheel assembly identification device
An identification device modified to fit into a lug nut hole of a rim of a wheel assembly to supply information to a remote interrogator pertaining to the tire, rim, and valve stem prior to mounting the wheel assembly on the vehicle. The device includes a conical bo...
04/22/2008
7331367Monitoring device and patch assembly
A monitoring device and patch assembly and method for forming the assembly is disclosed wherein the patch includes a platform and at least a portion of the monitoring device is positioned adjacent the patch. At least a portion of the monitoring device and platform a...
02/19/2008
D561088Tire tread
02/05/2008
7320350Sidewall reinforcing layer for pneumatic tires
A pneumatic tire may include a floating reinforcing layer disposed between a body ply and the sidewall of the tire. The reinforcing layer may extend from a point beneath the rim flange of the wheel to a point just above or below the maximum section width of the tire...
01/22/2008
D558662Tire tread
01/01/2008
7299694Method and apparatus for monitoring tire performance
A method and apparatus for assessing tire performance by generating accurate, timely tire-to-surface slippage information under any operational/environmental conditions and on any road and/or off-road surface without requiring instrumentation of the roadway. The app...
11/27/2007
7299693Method and apparatus for monitoring tire performance including slippage
A method and apparatus for assessing tire performance by generating accurate, timely tire-to-surface slippage information under any operational/environmental conditions and on any road and/or off-road surface without requiring instrumentation of the roadway. The app...
11/27/2007
7299846Tool for removing material strip from surface
A tool is used to remove a material strip from a surface. The tool has a collapsible body configurable in expanded and collapsed configurations. The expanded configuration allows the strip to be wound about the body while the strip is being removed from a surface. W...
11/27/2007
D554052Tire tread
10/30/2007
7278307Non-attached tire monitoring device
A non-attached monitoring device includes monitoring assembly and an antenna configured to radiate signals from the monitoring assembly. The antenna is configured to radiate through the oriented attenuating body of the tire sidewall regardless of the position of the...
10/09/2007
D552535Tire sidewall
10/09/2007
D550610Tire tread
09/11/2007
7255146Apparatus and method of enhancing run-flat travel for pneumatic tires
A pneumatic tire in accordance with an exemplary embodiment of the invention includes a tread portion having a pair of lateral tread edges, a pair of bead portions, a pair of sidewalls that each extend radially from one of the lateral tread edges of the tread portio...
08/14/2007
7243852Wheel assembly identification device
An identification device (6) modified to fit into a lug nut hole (20). The device (6) includes a conical body molded of plastic material and has an embedded codded chip. ...
07/17/2007
D546273Tire sidewall
07/10/2007
7228732Tire wear analysis method
A method of developing a set of input forces used to analyze tire wear includes the steps of characterizing a wear course by driving a vehicle over the wear course and measuring data related to a plurality of forces experienced by the vehicle. A vehicle characteriza...
06/12/2007
D544435Tire sidewall
06/12/2007
D541212Tire sidewall
04/24/2007
7203604Method of predicting mechanical behavior of polymers
A method of determining performance characteristics and/or internal structural features of hyperelastic polymer materials includes performing at least one macro-level loading experiment on a sample comprised of a given composition. From the macro-level loading exper...
04/10/2007
7201944Rubber compositions and articles thereof having improved metal adhesion and metal adhesion retention with bright steel
A vulcanizable rubber composition having improved metal adhesion and metal adhesion retention properties with bright steel, the improvement wherein from about 0.1 to about 10 parts by weight of a compound selected from the group consisting of aminosilanes and mercap...
04/10/2007
D538738Tire tread
03/20/2007
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