Patents by Inventor John D. Rensel
John D. Rensel 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: 11719302Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: GrantFiled: February 7, 2022Date of Patent: August 8, 2023Assignee: Firestone Industrial Products Company, LLCInventors: Michael C. Howard, Hao Wang, Sheel Agarwal, John D. Rensel
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Publication number: 20220154795Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: ApplicationFiled: February 7, 2022Publication date: May 19, 2022Inventors: Michael C. Howard, Hao Wang, Sheel Agarwal, John D. Rensel
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Patent number: 11268588Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: GrantFiled: May 13, 2019Date of Patent: March 8, 2022Assignee: Firestone Industrial Products Company, LLCInventors: Michael C. Howard, Hao Wang, Sheel Agarwal, John D. Rensel
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Publication number: 20190331189Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: ApplicationFiled: May 13, 2019Publication date: October 31, 2019Inventors: Michael C. Howard, Hao Wang, Sheel Agarwal, John D. Rensel
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Patent number: 10434828Abstract: An apparatus for mounting an object within a tire includes a ply having a first side for mounting against an innerliner of the tire and a pedestal extending upwards from a second side of the ply. The pedestal has a recessed planar top surface, with an elongated front cavity, an elongated rear cavity, and a substantially cylindrical central cavity disposed therein. The substantially cylindrical cavity is defined by an internal sidewall. The internal sidewall includes mating structure selected from the group consisting of threads and a plurality of downwardly extending slots.Type: GrantFiled: October 9, 2015Date of Patent: October 8, 2019Assignee: Bridgestone Americas Tire Operations, LLCInventors: Paul B. Wilson, John D. Rensel
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Patent number: 10316921Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: GrantFiled: January 6, 2017Date of Patent: June 11, 2019Assignee: Firestone Industrial Products Company, LLCInventors: Michael C. Howard, Hao Wang, Sheel Agarwal, John D. Rensel
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Patent number: 10035908Abstract: A process for preparing a blend of trans-1,4-polybutadiene and syndiotactic 1,2-polybutadiene, the process comprising the steps of (i) polymerizing 1,3-butadiene in the presence of a lanthanide-based catalyst to form a polymerization mixture including trans-1,4-polybutadiene, where the lanthanide-based catalyst includes (a) a lanthanide-containing compound, and (b) an organomagnesium compound; and (ii) polymerizing 1,3-butadiene in the presence of an iron-based catalyst within the polymerization mixture including trans-1,4-polybutadiene to form syndiotactic 1,2-polybutadiene within the polymerization mixture including trans-1,4-polybutadiene and thereby produce a blend of trans-1,4-polybutadiene and syndiotactic 1,2-polybutadiene; where the iron-based catalyst includes (a) an iron-containing compound, (b) an organomagnesium compound, and (c) a silyl phosphonate.Type: GrantFiled: May 9, 2016Date of Patent: July 31, 2018Assignee: Bridgestone CorporationInventors: Steven Luo, Sheel Agarwal, John D Rensel
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Publication number: 20170355238Abstract: A rubber article having an electronics device fastener is provided. In one embodiment, a tire is provided, the tire comprising: a first surface; a second surface; and a tire body contained between the first surface and the second surface; wherein the tire body comprises a cavity having a cavity major width in at least one of an axial direction and a circumferential direction, wherein a channel extends between the cavity and the first surface, wherein the channel has a channel major width in at least one of the axial direction and the circumferential direction, wherein the cavity major width is greater than the channel major width, and wherein a protrusion of a fastener is engaged within the cavity.Type: ApplicationFiled: October 9, 2015Publication date: December 14, 2017Applicant: Bridgestone Americas Tire Operations, LLCInventors: Terence E. Wei, Hans R. Dorfi, Paul B. Wilson, Sheel P. Agarwal, Andrew T. Miklic, Adam K. Nesbitt, Douglas B. Costlow, Ross W. Widenor, John D. Rensel
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Publication number: 20170349010Abstract: An apparatus for mounting an object within a tire includes a ply having a first side for mounting against an innerliner of the tire and a pedestal extending upwards from a second side of the ply. The pedestal has a recessed planar top surface, with an elongated front cavity, an elongated rear cavity, and a substantially cylindrical central cavity disposed therein. The substantially cylindrical cavity is defined by an internal sidewall. The internal sidewall includes mating structure selected from the group consisting of threads and a plurality of downwardly extending slots.Type: ApplicationFiled: October 9, 2015Publication date: December 7, 2017Applicant: Bridgestone Americas Tire Opertation, LLCInventors: Paul B. Wilson, John D. Rensel
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Publication number: 20170114854Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: ApplicationFiled: January 6, 2017Publication date: April 27, 2017Inventors: Michael C. Howard, Hao Wang, Sheel Agarwal, John D. Rensel
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Patent number: 9556921Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: GrantFiled: July 22, 2014Date of Patent: January 31, 2017Assignee: FIRESTONE INDUSTRIAL PRODUCTS COMPANY, LLCInventors: Michael C. Howard, Hao Wang, Sheel Agarwal, John D. Rensel
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Publication number: 20140333016Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: ApplicationFiled: July 22, 2014Publication date: November 13, 2014Inventors: Michael C. HOWARD, Hao WANG, Sheel AGARWAL, John D. RENSEL
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Patent number: 8800974Abstract: The present invention is directed to an air spring sleeve comprising: an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve; the outer layer and the inner layer are formed of an elastomeric composition, with the proviso that the elastomeric composition does not comprise epichlorohydrin; and the at least one reinforcing layer comprises a plurality of reinforcing elements disposed between a layer of the elastomeric composition, wherein the elastomeric composition of the at least one reinforcing layer is identical to the elastomeric composition of the outer layer and the inner layer.Type: GrantFiled: November 14, 2006Date of Patent: August 12, 2014Assignee: Firestone Industrial Products Company, LLCInventors: Michael C. Howard, Hao Wang, Sheel Agarwal, John D. Rensel
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Patent number: 8596117Abstract: A tire monitor assembly includes a rubber ply having a first side affixable to an interior surface of a tire. A pedestal extends from a second side of the rubber ply, wherein the pedestal has a top surface and at least one sidewall. The pedestal has a groove disposed in the at least one sidewall that extends along a perimeter of the pedestal, wherein the pedestal has a cavity disposed in the top surface, extending towards the rubber ply. The assembly further includes a tire monitoring device and a fastener connected to the tire monitoring device and further connected to the pedestal such that the fastener is disposed in at least one of the cavity and the groove.Type: GrantFiled: October 3, 2011Date of Patent: December 3, 2013Assignee: Bridgestone Americas Tire Operations, LLCInventors: Paul B. Wilson, John D. Rensel
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Publication number: 20130081457Abstract: A tire monitor assembly includes a rubber ply having a first side affixable to an interior surface of a tire. A pedestal extends from a second side of the rubber ply, wherein the pedestal has a top surface and at least one sidewall. The pedestal has a groove disposed in the at least one sidewall that extends along a perimeter of the pedestal, wherein the pedestal has a cavity disposed in the top surface, extending towards the rubber ply. The assembly further includes a tire monitoring device and a fastener connected to the tire monitoring device and further connected to the pedestal such that the fastener is disposed in at least one of the cavity and the groove.Type: ApplicationFiled: October 3, 2011Publication date: April 4, 2013Inventors: Paul B. Wilson, John D. Rensel
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Patent number: 8286473Abstract: A sensor system for obtaining data from an air spring having elastomeric body with a plurality of wireless sensors embedded therein. The sensor length-scales range from nano- to micro-scale devices that are small enough to avoid becoming occlusions within the elastomeric body. The air spring may include a spring wall having an internally reinforced elastomeric body portion with the sensors embedded within. The air spring may include a spring wall having an unreinforced elastomeric body portion with the sensors embedded within. The sensors may be configured to provide data related to one or more of temperature, pressure, sidewall flex, stress, strain and other parameters. The sensors may be LCD sensors, and/or conductive polymer sensors, and/or bio-polymer sensors and/or polymer diodes suitable for sensing data during the operation of the air spring.Type: GrantFiled: November 11, 2010Date of Patent: October 16, 2012Assignee: Bridgestone Americas Tire Operations, LLCInventors: John D. Rensel, Paul B Wilson
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Patent number: 8071190Abstract: A multi layered tire former bladder and a method for making the bladder is described. The multi layered bladder includes a elastomeric bladder having an outer surface and an inner surface; a release coating on the outer surface of the bladder; and at least two fabric reinforcing plies which include a first outer ply embedded in the bladder below the outer surface and an inner surface fabric ply at the inner surface of the bladder. In the method of making the bladder an air dried release coating is applied to the outer elastomeric surface of the bladder.Type: GrantFiled: August 31, 2006Date of Patent: December 6, 2011Assignee: Firestone Industrial Products Company, LLCInventors: Hao Wang, Jason Smith, John D. Rensel, Michelle A. Correll, Mark McEwen, James C. Updegraff
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Publication number: 20110083500Abstract: A sensor system for obtaining data from an air spring having elastomeric body with a plurality of wireless sensors embedded therein. The sensor length-scales range from nano- to micro-scale devices that are small enough to avoid becoming occlusions within the elastomeric body. The air spring may include a spring wall having an internally reinforced elastomeric body portion with the sensors embedded within. The air spring may include a spring wall having an unreinforced elastomeric body portion with the sensors embedded within. The sensors may be configured to provide data related to one or more of temperature, pressure, sidewall flex, stress, strain and other parameters. The sensors may be LCD sensors, and/or conductive polymer sensors, and/or bio-polymer sensors and/or polymer diodes suitable for sensing data during the operation of the air spring.Type: ApplicationFiled: November 11, 2010Publication date: April 14, 2011Applicant: BRIDGESTONE FIRESTONE NORTH AMERICAN TIRE, LLCInventors: John D. Rensel, Paul B. Wilson
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Patent number: 7832263Abstract: A sensor system for obtaining data from an elastomeric article includes at least one wireless sensor. The sensor length-scales range from nano- to micro-scale devices that are small enough to avoid becoming occlusions within the article. The article may include sensors embedded within one of the materials of the article, a layer of sensors built into the article, and a string of sensors disposed within a component or embedded within a component of the article. The sensors may be configured to provide data related to one or more of temperature, pressure, sidewall flex, stress, strain and other parameters. The sensors may be LCD sensors, and/or conductive polymer sensors, and/or bio-polymer sensors and/or polymer diodes suitable for sensing data during the operation of the tire. A power circuit using energy generated by the tire may provide power to the sensors.Type: GrantFiled: July 13, 2009Date of Patent: November 16, 2010Inventors: John D. Rensel, Paul B. Wilson, Francis L. Merat
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Publication number: 20090277262Abstract: A sensor system for obtaining data from an elastomeric article includes at least one wireless sensor. The sensor length-scales range from nano- to micro-scale devices that are small enough to avoid becoming occlusions within the article. The article may include sensors embedded within one of the materials of the article, a layer of sensors built into the article, and a string of sensors disposed within a component or embedded within a component of the article. The sensors may be configured to provide data related to one or more of temperature, pressure, sidewall flex, stress, strain and other parameters. The sensors may be LCD sensors, and/or conductive polymer sensors, and/or bio-polymer sensors and/or polymer diodes suitable for sensing data during the operation of the tire. A power circuit using energy generated by the tire may provide power to the sensors.Type: ApplicationFiled: July 13, 2009Publication date: November 12, 2009Applicant: Bridgestone Firestone North American Tire LLCInventors: JOHN D. RENSEL, PAUL B. WILSON, FRANCIS L. MERAT