Patents by Inventor Thomas R. Hilton

Thomas R. Hilton 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).

  • Inertially tailored golf club heads
    Patent number: 6045455
    Abstract: Inertially tailored golf club heads. A location for a center of gravity (CG) of a golf club head and magnitudes and directions of the principal moments of inertia of the golf club head are selected, and mass is distributed within the golf club head such that the center of gravity of the golf club head is located at the selected center of gravity location, and such that the principal moments of inertia of the golf club head have the selected magnitudes and directions.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: April 4, 2000
    Assignee: Callaway Golf Company
    Inventors: John B. Kosmatka, Richard C. Helmstetter, Thomas R. Hilton
  • Weight structure on a golf club head
    Patent number: 5776010
    Abstract: An iron type golf club head which comprises a head body having a ball-striking front face, a rear side, a top, a bottom, a toe, and a heel; a recess formed in the head body proximate the head body rear side and bottom; and an inset positioned in the recess; the head body having a weight W.sub.1 and the inset having a weight W.sub.2, and wherein W.sub.2 /(W.sub.1 +W.sub.2) is between about 0.25 and 0.90.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: July 7, 1998
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Thomas R. Hilton, Donald A. Bistline, Victor S. Dennis
  • Cavity back iron
    Patent number: D449088
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: October 9, 2001
    Assignee: Callaway Golf Company
    Inventors: Augustin Rollinson, Roger Cleveland, Karl Clausen, Thomas R. Hilton, Larry Tang
  • Putter head
    Patent number: D577398
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: September 23, 2008
    Assignee: Callaway Golf Company
    Inventor: Thomas R. Hilton
  • Putter head
    Patent number: D590035
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: April 7, 2009
    Assignee: Callaway Golf Company
    Inventor: Thomas R. Hilton
  • Putter head
    Patent number: D590463
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: April 14, 2009
    Assignee: Gallaway Golf Company
    Inventors: Ronald K. Hettinger, Thomas R. Hilton, Augustin W. Rollinson
  • Iron-type golf club head
    Patent number: D393034
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: March 31, 1998
    Assignee: Callaway Golf Company
    Inventors: Thomas R. Hilton, Richard C. Helmstetter, Donald A. Bistline, Victor S. Dennis, Bruce A. Parker
  • Iron-type golf club head
    Patent number: D393035
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: March 31, 1998
    Assignee: Callaway Golf Company
    Inventors: Donald A. Bistline, Richard C. Helmstetter, Thomas R. Hilton, Victor S. Dennis, Bruce A. Parker
  • Iron type golf club head
    Patent number: D393036
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: March 31, 1998
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Donald A. Bistline, Thomas R. Hilton, Victor S. Dennis
  • Back surface of an iron-type golf club head
    Patent number: D406296
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: March 2, 1999
    Assignee: Callaway Golf Company
    Inventors: Augustin W. Rollinson, Roger C. Cleveland, Thomas R. Hilton, Kevin L. Napolitano
  • Back surface of an iron-type golf club head
    Patent number: D406869
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: March 16, 1999
    Assignee: Callaway Golf Company
    Inventors: Augustin W. Rollinson, Roger C. Cleveland, Thomas R. Hilton, Kevin L. Napolitano
  • Back surface for an iron-type golf club head
    Patent number: D410719
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: June 8, 1999
    Assignee: Callaway Golf Company
    Inventors: Augustin W. Rollinson, Roger C. Cleveland, Thomas R. Hilton, Kevin L. Napolitano
  • Iron golf club head
    Patent number: D429300
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: August 8, 2000
    Assignee: Callaway Golf Company
    Inventors: Roger C. Cleveland, Karl A. Clausen, Thomas R. Hilton, Richard C. Helmstetter, Larry Tang
  • Back surface for an iron golf club head
    Patent number: D429512
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: August 15, 2000
    Assignee: Callaway Golf Company
    Inventors: Roger C. Cleveland, Karl A. Clausen, Thomas R. Hilton, Richard C. Helmstetter, Larry Tang