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: 7846038
    Abstract: A golf club head (42) having a substantially square or rectangular body is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a face component (60), a mid-body (61) and an aft-weight component (65). The golf club head (42) preferably has a moment of inertia about the Izz axis through the center of gravity of the golf club head greater than 4000 grams-centimeters squared.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: December 7, 2010
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Evan D. Gibbs, J. Andrew Galloway, Michael Hallack, Luke R. Williams, Alan Hocknell, Matthew T. Cackett
  • GOLF CLUB HEAD
    Publication number: 20100273571
    Abstract: A golf club head (42) having a substantially square or rectangular body is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a face component (60), a mid-body (61) and an aft-weight component (65). The golf club head (42) preferably has a moment of inertia about the Izz axis through the center of gravity of the golf club head greater than 4000 grams-centimeters squared.
    Type: Application
    Filed: July 1, 2010
    Publication date: October 28, 2010
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: PHILIP G. FOSTER, EVAN D. GIBBS, J. ANDREW GALLOWAY, MICHAEL HALLACK, LUKE R. WILLIAMS, ALAN HOCKNELL, MATTHEW T. CACKETT
  • Golf club head
    Patent number: 7749097
    Abstract: A golf club head (42) having a substantially square or rectangular body is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a face component (60), a mid-body (61) and an aft-weight component (65). The golf club head (42) preferably has a moment of inertia about the Izz axis through the center of gravity of the golf club head greater than 4000 grams-centimeters squared.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: July 6, 2010
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Evan D. Gibbs, J. Andrew Galloway, Michael Hallack, Luke R. Williams, Alan Hocknell, Matthew T. Cackett
  • GOLF CLUB HEAD
    Publication number: 20100093464
    Abstract: A golf club head (42) having a substantially square or rectangular body is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a face component (60), a mid-body (61) and an aft-weight component (65). The golf club head (42) preferably has a moment of inertia about the Izz axis through the center of gravity of the golf club head greater than 4000 grams-centimeters squared.
    Type: Application
    Filed: December 11, 2009
    Publication date: April 15, 2010
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: PHILIP G. FOSTER, EVAN D. GIBBS, J. ANDREW GALLOWAY, MICHAEL HALLACK, LUKE R. WILLIAMS, ALAN HOCKNELL, MATTHEW T. CACKETT
  • Iron golf club head
    Patent number: D613358
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: April 6, 2010
    Assignee: Callaway Golf Company
    Inventors: Kevin Weejoung Kim, Michael Hallack
  • Golf club head
    Patent number: D637671
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: May 10, 2011
    Assignee: Callaway Golf Company
    Inventors: Kevin Weejoung Kim, Daniel M. Stevens, Michael Hallack
  • Golf club head
    Patent number: D726856
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: April 14, 2015
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Michael Hallack
  • Golf club head
    Patent number: D733824
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: July 7, 2015
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Philip G. Foster, Evan D. Gibbs, Michael Hallack
  • Golf club head
    Patent number: D763998
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: August 16, 2016
    Assignee: Callaway Golf Company
    Inventors: Larry G. Tang, Michael Hallack
  • Golf club head
    Patent number: D773577
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: December 6, 2016
    Assignee: Callaway Golf Company
    Inventors: Philip G. Foster, Matthew S. Hoffmeyer, Michael Hallack, 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