Patents by Inventor Michael Hallack

Michael Hallack 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).

  • Golf club head having adjustable stress-reducing structures
    Patent number: 11325013
    Abstract: A golf club head comprising a body and a plurality of stiffening members, the tension or compression of which can be adjusted, is disclosed herein. The body comprises a face section, a sole section, and a crown section or a return section, and also defines a hollow interior. Each of the plurality of stiffening members is at least partially disposed within the hollow interior, and extends from the crown section or return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The compression or tension of the stiffening members may be adjusted to affect the stresses experienced by the golf club head upon impact with a golf ball.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: May 10, 2022
    Assignee: Callaway Golf Company
    Inventors: Jeremy R. Hanhart, Michael Hallack, Homer G. Aguinaldo, James A. Seluga, Christopher A. G. Nunez, Matthew Myers, Denver Holt
  • Golf Club Head Having Adjustable Stress-Reducing Structures
    Publication number: 20210154541
    Abstract: A golf club head comprising a body and a plurality of stiffening members, the tension or compression of which can be adjusted, is disclosed herein. The body comprises a face section, a sole section, and a crown section or a return section, and also defines a hollow interior. Each of the plurality of stiffening members is at least partially disposed within the hollow interior, and extends from the crown section or return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The compression or tension of the stiffening members may be adjusted to affect the stresses experienced by the golf club head upon impact with a golf ball.
    Type: Application
    Filed: January 6, 2021
    Publication date: May 27, 2021
    Inventors: Jeremy R. Hanhart, Michael Hallack, Homer G. Aguinaldo, James A. Seluga, Christopher A.G. Nunez, Matthew Myers, Denver Holt
  • Golf club head having adjustable stress-reducing structures
    Patent number: 10912970
    Abstract: A golf club head comprising a body and a plurality of stiffening members, the tension or compression of which can be adjusted, is disclosed herein. The body comprises a face section, a sole section, and a crown section or a return section, and also defines a hollow interior. Each of the plurality of stiffening members is at least partially disposed within the hollow interior, and extends from the crown section or return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The compression or tension of the stiffening members may be adjusted to affect the stresses experienced by the golf club head upon impact with a golf ball.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: February 9, 2021
    Assignee: Callaway Golf Company
    Inventors: Jeremy R. Hanhart, Michael Hallack, Homer G. Aguinaldo, James A. Seluga, Christopher A.G. Nunez, Matthew Myers, Denver Holt
  • Golf club head
    Patent number: D791258
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: July 4, 2017
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Michael Hallack
  • Golf club head
    Patent number: D805149
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: December 12, 2017
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Matthew S. Hoffmeyer, Michael Hallack, Denver Holt
  • Golf club head
    Patent number: D806192
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: December 26, 2017
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Michael Hallack
  • Golf club head
    Patent number: D813328
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: March 20, 2018
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Michael Hallack
  • Golf club head
    Patent number: D813331
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: March 20, 2018
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Michael Hallack
  • Golf club head
    Patent number: D813332
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: March 20, 2018
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Michael Hallack
  • Golf club head
    Patent number: D813333
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: March 20, 2018
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Michael Hallack
  • Golf club head
    Patent number: D1055188
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: December 24, 2024
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Golf club head
    Patent number: D1055189
    Type: Grant
    Filed: May 25, 2023
    Date of Patent: December 24, 2024
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Golf club head
    Patent number: D1064141
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventor: Michael Hallack
  • Golf club head
    Patent number: D1064142
    Type: Grant
    Filed: June 13, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Golf club head
    Patent number: D1064143
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Golf club head
    Patent number: D1064144
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Golf club head
    Patent number: D1064152
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Golf club head
    Patent number: D1064153
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Golf club head
    Patent number: D1065391
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: March 4, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Golf club head
    Patent number: D1068986
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: April 1, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich