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).

  • Patent number: 12611576
    Abstract: A golf club head with a face component with a stiffening member is disclosed herein. The golf club having products of inertia Ixy and Ixz with absolute values below 100 g-cm2 and a positive product of inertia Iyz is disclosed herein. The golf club has a large volume, a high moment of inertia, or both. Preferably, the moment of inertia, Izz, of the golf club head about a vertical axis Z through the center of gravity ranges from 3000 g-cm2 to 5000 g-cm2, and a moment of inertia, Iyy, about a horizontal axis Y through the center of gravity of the golf club head is greater than 1900 g-cm2.
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: April 28, 2026
    Assignee: Callaway Golf Company
    Inventors: Christopher Nunez, Michael Hallack, Brandon DeMille, William Watson, Dominic LeBlanc
  • Patent number: 12544634
    Abstract: A weight assembly for a golf club head is disclosed herein. The weight assembly includes a screw, a first wedge, a second wedge, and a nut component. The first wedge and the second wedge are designed to convert a downward force of the screw into a side force to push the first wedge and the second wedge outward to lock the weight assembly within a channel of a golf club head by the first wedge and second wedge extending force against the interior walls.
    Type: Grant
    Filed: April 8, 2024
    Date of Patent: February 10, 2026
    Assignee: Callaway Golf Company
    Inventors: Brian Hoffarth, Michael Hallack, Homer Aguinaldo
  • 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
  • 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
  • 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
  • Patent number: D813331
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: March 20, 2018
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Michael Hallack
  • Patent number: D1055188
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: December 24, 2024
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1055189
    Type: Grant
    Filed: May 25, 2023
    Date of Patent: December 24, 2024
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1064141
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventor: Michael Hallack
  • Patent number: D1064142
    Type: Grant
    Filed: June 13, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1064143
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1064144
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1064152
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1064153
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: February 25, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1065391
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: March 4, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1068986
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: April 1, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1078888
    Type: Grant
    Filed: January 19, 2024
    Date of Patent: June 10, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich
  • Patent number: D1106368
    Type: Grant
    Filed: February 5, 2024
    Date of Patent: December 16, 2025
    Assignee: Topgolf International, Inc.
    Inventors: Michael Hallack, Matt Kovacevich, William Watson
  • Patent number: D1127108
    Type: Grant
    Filed: February 21, 2025
    Date of Patent: May 19, 2026
    Assignee: Callaway Golf Company
    Inventors: Michael Hallack, Brooks Roche, Homer E. Aguinaldo, Thomas Vu
  • Patent number: D1127961
    Type: Grant
    Filed: February 21, 2025
    Date of Patent: May 26, 2026
    Assignee: Callaway Golf Company
    Inventors: Michael Hallack, Brooks Roche, Homer E. Aguinaldo, Thomas Vu