Patents by Inventor Douglas B. Costlow
Douglas B. Costlow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11958260Abstract: A tire includes a central region configured to be mounted to a wheel and a crown region including a circumferential tread and a shear element disposed below the circumferential tread. The shear element includes an upper reinforcement layer, a lower reinforcement layer, and an elastic region disposed between the upper reinforcement layer and the lower reinforcement layer. A radial distance between the upper reinforcement layer and the lower reinforcement layer varies along an axial width of the tire. The tire also includes an intermediate region extending from the central region to the crown region.Type: GrantFiled: October 25, 2021Date of Patent: April 16, 2024Assignee: Bridgestone Americas Tire Operations, LLCInventors: Andrew V. Haidet, Douglas B. Costlow, Robert W. Asper
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Patent number: 11926688Abstract: The present disclosure is directed to actinic radiation curable polymeric mixtures, cured polymeric mixtures, tires and tire components made from the foregoing, and related processes.Type: GrantFiled: February 28, 2022Date of Patent: March 12, 2024Assignee: Bridgestone Americas Tire Operations, LLCInventors: Joshua P. Abell, Michael R. Beaulieu, Douglas B. Costlow, Andrew V. Haidet
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Patent number: 11904561Abstract: A green tire includes a plurality of sheets of green rubber having a substantially circular shape, with each sheet having a tread region disposed along a circumference. A plurality of objects are sandwiched between adjacent sheets of green rubber in the tread region. Each object is constructed of a material selected from the group consisting of steel, polyester, nylon, carbon fiber, aramid, fiber glass, cotton, hemp, polyurethane and other plastic, other synthetic or natural fibers and other metal materials.Type: GrantFiled: September 17, 2021Date of Patent: February 20, 2024Assignee: Bridgestone Americas Tire Operations, LLCInventors: Andrew V. Haidet, Douglas B. Costlow, Robert W. Asper
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Publication number: 20220185936Abstract: The present disclosure is directed to actinic radiation curable polymeric mixtures, cured polymeric mixtures, tires and tire components made from the foregoing, and related processes.Type: ApplicationFiled: February 28, 2022Publication date: June 16, 2022Applicant: Bridgestone Americas Tire Operations, LLCInventors: Joshua P. Abell, Michael R. Beaulieu, Douglas B. Costlow, Andrew V. Haidet
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Patent number: 11261279Abstract: The present disclosure is directed to actinic radiation curable polymeric mixtures, cured polymeric mixtures, tires and tire components made from the foregoing, and related processes.Type: GrantFiled: June 15, 2020Date of Patent: March 1, 2022Assignee: Bridgestone Americas Tire Operations, LLCInventors: Joshua P. Abell, Michael R. Beaulieu, Douglas B. Costlow, Andrew V. Haidet
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Publication number: 20220040943Abstract: A tire includes a central region configured to be mounted to a wheel and a crown region including a circumferential tread and a shear element disposed below the circumferential tread. The shear element includes an upper reinforcement layer, a lower reinforcement layer, and an elastic region disposed between the upper reinforcement layer and the lower reinforcement layer. A radial distance between the upper reinforcement layer and the lower reinforcement layer varies along an axial width of the tire. The tire also includes an intermediate region extending from the central region to the crown region.Type: ApplicationFiled: October 25, 2021Publication date: February 10, 2022Inventors: Andrew V. HAIDET, Douglas B. COSTLOW, Robert W. ASPER
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Publication number: 20220016857Abstract: A green tire includes a plurality of sheets of green rubber having a substantially circular shape, with each sheet having a tread region disposed along a circumference. A plurality of objects are sandwiched between adjacent sheets of green rubber in the tread region. Each object is constructed of a material selected from the group consisting of steel, polyester, nylon, carbon fiber, aramid, fiber glass, cotton, hemp, polyurethane and other plastic, other synthetic or natural fibers and other metal materials.Type: ApplicationFiled: September 17, 2021Publication date: January 20, 2022Inventors: Andrew V. HAIDET, Douglas B. COSTLOW, Robert W. ASPER
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Publication number: 20210379831Abstract: The present disclosure is directed to additive manufacturing cartridges having an oxygen impermeable layer and to processes for producing cured polymeric products by additive manufacturing wherein the oxygen content during additive manufacturing is limited such as by use of the cartridge and/or by use of an inert gas.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Inventors: Joshua P. Abell, Michael R. Beaulieu, Douglas B. Costlow, Andrew V. Haidet
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Patent number: 11186053Abstract: A tire includes a central region configured to be mounted to a wheel and a crown region including a circumferential tread and a shear element disposed below the circumferential tread. The shear element includes an upper reinforcement layer, a lower reinforcement layer, and an elastic region disposed between the upper reinforcement layer and the lower reinforcement layer. A radial distance between the upper reinforcement layer and the lower reinforcement layer varies along an axial width of the tire. The tire also includes an intermediate region extending from the central region to the crown region.Type: GrantFiled: December 20, 2016Date of Patent: November 30, 2021Assignee: BRIDGESTONE AMERICAS TIRE OPERATIONS, LLCInventors: Andrew V. Haidet, Douglas B. Costlow, Robert W. Asper
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Patent number: 11155050Abstract: A method of making a tire includes placing substantially circular sheets of polymeric material on top of each other until a tire is built to a predetermined width. A predetermined tread shape is formed along a circumference of the substantially circular sheets of polymeric material.Type: GrantFiled: December 20, 2016Date of Patent: October 26, 2021Assignee: BRIDGESTONE AMERICAS TIRE OPERATIONS, LLCInventors: Andrew V. Haidet, Douglas B. Costlow, Robert W. Asper
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Publication number: 20210276367Abstract: A method of making a tire includes forming a first sheet of material having a circular shape. The first sheet of material includes an upper ring and a lower ring. The first sheet of material further includes a plurality of spoke portions extending from the upper ring to the lower ring. A reinforcement is placed on the first of polymeric material, which includes placing the reinforcement on at least a portion of the upper ring. A second sheet of material having a circular shape is formed. The second sheet of material is placed on the first sheet of material such that the reinforcement is sandwiched between the first and second sheets of material. The method further includes placing additional sheets of material and additional reinforcements on the second sheet of material until a tire is built.Type: ApplicationFiled: May 21, 2021Publication date: September 9, 2021Inventors: Andrew V. Haidet, Douglas B. Costlow
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Patent number: 11097531Abstract: The present disclosure is directed to additive manufacturing cartridges having an oxygen impermeable layer and to processes for producing cured polymeric products by additive manufacturing wherein the oxygen content during additive manufacturing is limited such as by use of the cartridge and/or by use of an inert gas.Type: GrantFiled: December 7, 2016Date of Patent: August 24, 2021Assignee: Bridgestone Americas Tire Operations, LLCInventors: Joshua P. Abell, Michael R. Beaulieu, Douglas B. Costlow, Andrew V. Haidet
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Patent number: 11052706Abstract: A green tire includes a plurality of sheets of green rubber having a substantially circular shape, wherein each sheet of green rubber includes an upper ring and a lower ring, and each sheet of green rubber further includes a plurality of spoke portions extending from the upper ring to the lower ring. The green tire further includes a plurality of reinforcements. Each reinforcement is disposed between adjacent sheets of green rubber. At least one reinforcement is sandwiched between the upper rings of adjacent sheets of green rubber, and at least one reinforcement is sandwiched between the spoke portions of adjacent sheets of green rubber.Type: GrantFiled: December 20, 2016Date of Patent: July 6, 2021Assignee: BRIDGESTONE AMERICAS TIRE OPERATIONS, LLCInventors: Andrew V. Haidet, Douglas B. Costlow
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Patent number: 11014287Abstract: A method of additive manufacturing of un-vulcanized rubber includes providing a printing apparatus and providing un-vulcanized rubber to the printing apparatus. The method also includes warming the un-vulcanized rubber and pressurizing the un-vulcanized rubber provided to the printing apparatus to a pressure of at least 800 psi. The method further includes positioning a dispenser at a beginning of a series of motion control commands, dispensing the un-vulcanized rubber from the printing apparatus onto an area, and cutting the dispensed un-vulcanized rubber.Type: GrantFiled: September 20, 2019Date of Patent: May 25, 2021Assignee: Bridgestone Americas Tire Operations, LLCInventor: Douglas B. Costlow
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Patent number: 10967673Abstract: A nonpneumatic tire includes a tread portion, an upper ring, and a plurality of spokes extending radially downward from the upper ring. Each spoke is configured to carry a load while in tension and while in compression. The upper ring and the plurality of spokes are part of a unitary component constructed of a single material. Each spoke terminates at a lower end having a spoke mount with an opening configured to engage a corresponding hub mount. Each spoke is under substantially no tension when the tread portion is not in contact with a ground surface and when each spoke mount is disengaged from its corresponding hub mount. Each spoke is under tension when the tread portion is not in contact with the ground surface and when each spoke mount is engaged with its corresponding hub mount.Type: GrantFiled: June 9, 2020Date of Patent: April 6, 2021Assignee: Bridgestone Americas Tire Operations, LLCInventors: Douglas B. Costlow, Andrew V. Haidet, Adam K. Nesbitt, Sharon E. Reinhardt
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Publication number: 20200347170Abstract: The present disclosure is directed to actinic radiation curable polymeric mixtures, cured polymeric mixtures, tires and tire components made from the foregoing, and related processes.Type: ApplicationFiled: June 15, 2020Publication date: November 5, 2020Applicant: Bridgestone Americas Tire Operations, LLCInventors: Joshua P. Abell, Michael R. Beaulieu, Douglas B. Costlow, Andrew V. Haidet
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Publication number: 20200298616Abstract: A nonpneumatic tire includes a tread portion, an upper ring, and a plurality of spokes extending radially downward from the upper ring. Each spoke is configured to carry a load while in tension and while in compression. The upper ring and the plurality of spokes are part of a unitary component constructed of a single material. Each spoke terminates at a lower end having a spoke mount with an opening configured to engage a corresponding hub mount. Each spoke is under substantially no tension when the tread portion is not in contact with a ground surface and when each spoke mount is disengaged from its corresponding hub mount. Each spoke is under tension when the tread portion is not in contact with the ground surface and when each spoke mount is engaged with its corresponding hub mount.Type: ApplicationFiled: June 9, 2020Publication date: September 24, 2020Inventors: Douglas B. COSTLOW, Andrew V. HAIDET, Adam K. NESBITT, Sharon E. REINHARDT
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Patent number: 10723170Abstract: A nonpneumatic tire includes a tread portion, an upper ring, and a plurality of spokes extending radially downward from the upper ring. Each spoke terminates at a lower end having a spoke mount configured to engage a corresponding hub mount. Each spoke is under substantially no tension when the tread portion is not in contact with a ground surface and when each spoke mount is disengaged from its corresponding hub mount. Each spoke is under tension when the tread portion is not in contact with the ground surface and when each spoke mount is engaged with its corresponding hub mount.Type: GrantFiled: December 18, 2017Date of Patent: July 28, 2020Assignee: BRIDGESTONE AMERICAS TIRE OPERATIONS, LLCInventors: Douglas B. Costlow, Andrew V. Haidet, Adam K. Nesbitt, Sharon E. Reinhardt
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Patent number: 10683381Abstract: The present disclosure is directed to actinic radiation curable polymeric mixtures, cured polymeric mixtures, tires and tire components made from the foregoing, and related processes.Type: GrantFiled: December 17, 2015Date of Patent: June 16, 2020Assignee: Bridgestone Americas Tire Operations, LLCInventors: Joshua P. Abell, Michael R. Beaulieu, Douglas B. Costlow, Andrew V. Haidet
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Patent number: 10639935Abstract: A nonpneumatic tire includes an upper ring and a plurality of spokes extending from the upper ring. At least one reinforcement embedded in each spoke, wherein each reinforcement is constructed of a material that shrinks in length by 0.1% to 10% when subjected to a temperature between 38° C. to 260° C. and a pressure between 0.10 mPa to 0.70 mPa.Type: GrantFiled: December 18, 2017Date of Patent: May 5, 2020Assignee: Bridgestone Americas Tire Operations, LLCInventors: Douglas B. Costlow, Andrew V. Haidet, Adam K. Nesbitt, Sharon E. Reinhardt