Patents by Inventor Zachary A. Sterba

Zachary A. Sterba 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).

  • Tire traction element
    Patent number: 10427470
    Abstract: Various embodiments of a tire traction element are provided. In one embodiment, a tire traction element is oriented in a circumferential groove of a tire to provide improved snow and/or mud traction. In one embodiment, a tire for a vehicle is provided, comprising: a tread having a circumferential direction, the tread having at least one circumferential groove which extends in the circumferential direction, the at least one circumferential groove having a groove base, and at least one groove sidewall; a plurality of traction elements in the circumferential groove connected to the at least one groove sidewall and the groove base; wherein at least one of the traction elements has a plurality of indentations formed on a radially outermost edge between the base portion and the at least one sidewall portion; and wherein the radially outermost edge has an angle of inclination ? relative to the radial direction.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: October 1, 2019
    Assignee: Bridgestone Americal Tire Operations, LLC
    Inventors: Paula R. Lundgren, Zachary A. Sterba, Andrew D. Anderson
  • Tire Traction Element
    Publication number: 20170246914
    Abstract: Various embodiments of a tire traction element are provided. In one embodiment, a tire traction element is oriented in a circumferential groove of a tire to provide improved snow and/or mud traction. In one embodiment, a tire for a vehicle is provided, comprising: a tread having a circumferential direction, the tread having at least one circumferential groove which extends in the circumferential direction, the at least one circumferential groove having a groove base, and at least one groove sidewall; a plurality of traction elements in the circumferential groove connected to the at least one groove sidewall and the groove base; wherein at least one of the traction elements has a plurality of indentations formed on a radially outermost edge between the base portion and the at least one sidewall portion; and wherein the radially outermost edge has an angle of inclination ? relative to the radial direction.
    Type: Application
    Filed: September 8, 2015
    Publication date: August 31, 2017
    Inventors: Paula R. Lundgren, Zachary A. Sterba, Andrew D. Anderson
  • Tire tread
    Patent number: D779411
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: February 21, 2017
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Kevin E. Scheifele, Zachary A. Sterba
  • Tire
    Patent number: D855560
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: August 6, 2019
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Kevin E. Scheifele, Zachary A. Sterba
  • Tire
    Patent number: D875645
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: February 18, 2020
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Zachary A. Sterba, Richard S. Parr
  • Tire off-shoulder
    Patent number: D877698
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: March 10, 2020
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Paula R. Lundgren, Zachary A. Sterba, David E. Schultz
  • Tire
    Patent number: D881801
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: April 21, 2020
    Assignee: Bridgestone Corporation
    Inventors: Paula R. Lundgren, Zachary A. Sterba, David E. Schultz, Shungo Fujita
  • Tire
    Patent number: D920222
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: May 25, 2021
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Zachary A. Sterba, Richard S. Parr
  • Tire
    Patent number: D927411
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: August 10, 2021
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Kevin E. Scheifele, Zachary A. Sterba, David M. Severyn, Andrew T. Miklic, Paul D. Rockwell, Domenic Giampaolo, Surya V. Pothula
  • Tire
    Patent number: D986810
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: May 23, 2023
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Richard S. Parr, David M. Severyn, Paul J. Wischt, Jr., Zachary A. Sterba
  • Tire
    Patent number: D1017525
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: March 12, 2024
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Thaddeus T. Thompson, Angu Sabariesh Anguraj, Anthony J. Guld, Zachary A. Sterba