Patents by Inventor Bodo AHRENS

Bodo AHRENS 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).

  • Patent number: 11827057
    Abstract: The subject invention reveals a tire tread having a circumferential tread cap with circumferential grooves, wherein the tread cap rubber compound has a Shore A hardness from 45 to 75. Moreover, the tread comprises at least one circumferential groove reinforcement reinforcing at least a bottom portion of at least one of the grooves and comprising a groove reinforcement rubber compound, wherein the groove reinforcement rubber compound has a Shore A hardness from 70 to 100. The tread also comprises a circumferential tread base layer arranged radially inwards of the tread cap and comprising a tread base layer compound, wherein the tread base layer compound has a Shore A hardness from 15 to 60, and wherein the Shore A hardness of the tread cap compound is higher than the Shore A hardness of the tread base layer compound.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: November 28, 2023
    Assignee: THE GOODYEAR TIRE & RUBBER COMPANY
    Inventors: Claude Schweitzer, Jean-Louis Marie Felicien Thomas, Julien Alexandre Vaissaud, Bodo Ahrens
  • Patent number: 11427032
    Abstract: The present invention relates to a tire tread comprising a tread cap comprising at least one tread cap rubber compound, at least three circumferential grooves, wherein at least portions of the sidewalls and the bottom of each of said grooves are formed by a circumferential groove reinforcement, and wherein a first groove reinforcement of a groove laterally next to the equatorial plane of the tire comprises a first reinforcement rubber compound which has a higher hardness than the tread cap rubber compound, and wherein a second groove reinforcement of a groove with a larger lateral distance to the equatorial plane of the tire than the first groove, comprises a second reinforcement rubber compound which has a higher hardness than the tread cap rubber compound and a lower hardness than the second reinforcement rubber compound.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: August 30, 2022
    Assignee: THE GOODYEAR TIRE & RUBBER COMPANY
    Inventors: Claude Schweitzer, Jean-Louis Marie Felicien Thomas, Bodo Ahrens
  • Publication number: 20210245556
    Abstract: The present invention is directed to a pneumatic tire comprising a tread portion, two bead portions, two sidewalls extending between the tread portion and the respective bead portions, an inner surface defining a tire cavity, a sealant material layer covering the inner surface radially below the tread portion within the tire cavity, and at least one noise dampening strip which is partially covering and attached to the sealant material on a radially inner side and along a circumferential direction of the sealant material layer. The sealant material layer has at least one plateau region supporting the noise dampening element and one or more bottom regions provided laterally beside the plateau region, and wherein the plateau region extends out of the bottom regions in a radially inner direction.
    Type: Application
    Filed: February 8, 2021
    Publication date: August 12, 2021
    Inventors: Jean-Claude Patrice Philippe Griffoin, Bodo Ahrens, Adrian Florin Nicula, Andreas Frantzen
  • Publication number: 20210046783
    Abstract: In a first aspect of the present invention, a tire tread is provided, the tread comprising a tread cap comprising a first rubber compound for contacting the road when driving, at least one circumferential groove reinforcement forming at least one of the grooves in the tread cap, the groove reinforcement comprising a second rubber compound for reinforcing an area adjacent the grooves formed by the groove reinforcement, wherein the groove reinforcement comprises for at least one of the grooves formed by the groove reinforcement two groove sidewall layers, each sidewall layer extending from the outer radial surface of the unworn tread down into the direction of the bottom of the groove formed by the groove reinforcement and wherein each sidewall layer has an essentially uniform thickness along its length, and wherein the groove reinforcement comprises a groove support portion forming a bottom portion of the groove and having a radially inner base side as well as a radially outer top side, wherein the groove supp
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventors: Claude Schweitzer, Jean-Louis Marie Felicien Thomas, Bodo Ahrens, William Alain Francis Ghislain Talbot, Germain Dehez, Hubert Anna Johanes Cox
  • Publication number: 20210046784
    Abstract: The present invention relates to a tire tread comprising a tread cap comprising at least one tread cap rubber compound, at least three circumferential grooves, wherein at least portions of the sidewalls and the bottom of each of said grooves are formed by a circumferential groove reinforcement, and wherein a first groove reinforcement of a groove laterally next to the equatorial plane of the tire comprises a first reinforcement rubber compound which has a higher hardness than the tread cap rubber compound, and wherein a second groove reinforcement of a groove with a larger lateral distance to the equatorial plane of the tire than the first groove, comprises a second reinforcement rubber compound which has a higher hardness than the tread cap rubber compound and a lower hardness than the second reinforcement rubber compound.
    Type: Application
    Filed: August 13, 2020
    Publication date: February 18, 2021
    Inventors: Claude Schweitzer, Jean-Louis Marie Felicien Thomas, Bodo Ahrens
  • Publication number: 20210046785
    Abstract: The subject invention reveals a tire tread having a circumferential tread cap with circumferential grooves, wherein the tread cap rubber compound has a Shore A hardness from 45 to 75. Moreover, the tread comprises at least one circumferential groove reinforcement reinforcing at least a bottom portion of at least one of the grooves and comprising a groove reinforcement rubber compound, wherein the groove reinforcement rubber compound has a Shore A hardness from 70 to 100. The tread also comprises a circumferential tread base layer arranged radially inwards of the tread cap and comprising a tread base layer compound, wherein the tread base layer compound has a Shore A hardness from 15 to 60, and wherein the Shore A hardness of the tread cap compound is higher than the Shore A hardness of the tread base layer compound.
    Type: Application
    Filed: August 11, 2020
    Publication date: February 18, 2021
    Inventors: Claude Schweitzer, Jean-Louis Marie Felicien Thomas, Julien Alexandre Vaissaud, Bodo Ahrens
  • Patent number: 10654995
    Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 30 to 80 phr of a styrene-butadiene rubber having a Tg ranging from ?70 C to ?40 C, from 10 to 50 phr of a high vinyl polybutadiene having a Tg ranging from ?40 C to ?5 C and has an isomeric vinyl 1,2 content in a range of from 50 to 90 percent by weight, and from 10 to 30 phr of a natural rubber or synthetic polyisoprene, silica, a blocked mercaptosilane, a traction resin, and liquid plasticizer selected from the group consisting of a low molecular weight polybutadiene functionalized with a hydroxyl functional group and sunflower oil.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: May 19, 2020
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Luisa Fernanda Munoz Mejia, Christian Jean-Marie Kaes, Bodo Ahrens, William Alain Talbot, Eric Engeldinger, Manuela Pompei, Philippe Schmit, Jérôme Joel Daniel Delville
  • Publication number: 20200070579
    Abstract: The present invention is directed to a pneumatic tire comprising a textile cord reinforced rubber component, the rubber component comprising a textile cord contacting a rubber composition, the rubber composition comprising: from 20 to 45 phr of a solution polymerized styrene-butadiene rubber having a bound styrene content ranging from 5 to 25 percent by weight, a vinyl-1,2 content ranging from 5 to 40 weight percent based on the butadiene content, and a Tg ranging from ?85 to ?50° C.; from 55 to 80 phr of a polyisoprene rubber selected from the group consisting of natural rubber and synthetic polyisoprene rubber; from 20 to 60 phr of a filler selected from carbon black, silica, and prehydrophobated silica; from 1 to 10 phr of a resin selected from the group consisting of carbamic resins, alkyl phenol formaldehyde resins, and phenol formaldehyde resins; and from 0.5 to 5 phr of a methylene donor.
    Type: Application
    Filed: September 4, 2018
    Publication date: March 5, 2020
    Inventors: Julia Martine Francoise Claudine TAHON, Bodo AHRENS, Jean-Louis Marie Félicien THOMAS, Romain Jack Rodolphe MERSCH, Thomas Günther Böhner, Christian Jean-Marie KAES, James Joseph GOLDEN, Pit Jean-Pierre Fernand POLFER, Geoffrey Stephane Marcel Ghislain VIRLEZ
  • Patent number: 10427463
    Abstract: The invention relates to a pneumatic tire comprising a carcass and a tread located radially outward of the carcass and extending between the tire sidewalls; the tread providing a radially outermost tread running surface; the tread comprising a first tread layer comprising a first rubber compound and a second tread layer comprising a second rubber compound; wherein the second tread layer is located radially adjacent to the first tread layer; wherein the first rubber compound is compositionally distinct from the second rubber compound; wherein the second tread layer comprises one or more integrally formed extensions of the second tread layer extending radially outwardly toward the tread running surface; wherein each of the integrally formed extensions of the second tread layer comprises a circumferentially continuous groove and a reinforcement zone disposed on a side of the groove; wherein the first rubber compound comprises 100 parts by weight of at least one diene based elastomer, and from 1 to 150 phr of sil
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 1, 2019
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Claude Schweitzer, Jean-Louis Marie Félicien Thomas, Bodo Ahrens, Giorgio Agostini, Laurent Carmelo Joseph Andre Pravata, Gabor Kaszas, Karen Karas Burke
  • Publication number: 20190062537
    Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 30 to 80 phr of a styrene-butadiene rubber having a Tg ranging from ?70 C to ?40 C, from 10 to 50 phr of a high vinyl polybutadiene having a Tg ranging from ?40 C to ?5 C and has an isomeric vinyl 1,2 content in a range of from 50 to 90 percent by weight, and from 10 to 30 phr of a natural rubber or synthetic polyisoprene, silica, a blocked mercaptosilane, a traction resin, and liquid plasticizer selected from the group consisting of a low molecular weight polybutadiene functionalized with a hydroxyl functional group and sunflower oil.
    Type: Application
    Filed: August 27, 2018
    Publication date: February 28, 2019
    Inventors: Luisa Fernanda Munoz MEJIA, Christian Jean-Marie KAES, Bodo AHRENS, William Alain TALBOT, Eric ENGELDINGER, Manuela POMPEI, Philippe SCHMIT, Jérôme Joel Daniel DELVILLE
  • Publication number: 20180170111
    Abstract: A tire has an axis of rotation, a cavity shape, a crown portion, a pair of beads, a tread, a pair of sidewalls, a pair of shoulder portions, and a carcass including a plurality of plies. Each ply has a cord. The tire is characterized by a path of the cord in at least one ply defining a ply line.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 21, 2018
    Inventors: Paul Benoit JOUBERT, Jerome BOURSIN, Francois ZIMMER, Bodo AHRENS, Jean-Louis Marie Felicien THOMAS, Samy Laroussi MZABI, Edwin DEERENBERG
  • Publication number: 20180134086
    Abstract: The invention relates to a pneumatic tire comprising a carcass and a tread located radially outward of the carcass and extending between the tire sidewalls; the tread providing a radially outermost tread running surface; the tread comprising a first tread layer comprising a first rubber compound and a second tread layer comprising a second rubber compound; wherein the second tread layer is located radially adjacent to the first tread layer; wherein the first rubber compound is compositionally distinct from the second rubber compound; wherein the second tread layer comprises one or more integrally formed extensions of the second tread layer extending radially outwardly toward the tread running surface; wherein each of the integrally formed extensions of the second tread layer comprises a circumferentially continuous groove and a reinforcement zone disposed on a side of the groove; wherein the first rubber compound comprises 100 parts by weight of at least one diene based elastomer, and from 1 to 150 phr of sil
    Type: Application
    Filed: November 16, 2016
    Publication date: May 17, 2018
    Inventors: Claude SCHWEITZER, Jean-Louis Marie Félicien THOMAS, Bodo AHRENS, Giorgio AGOSTINI, Laurent Carmelo Joseph Andre PRAVATA, Gabor KASZAS, Karen Karas BURKE