Patents by Inventor Roger C. Cleveland

Roger C. Cleveland 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 striking plate with variable bulge and roll
    Patent number: 6558272
    Abstract: A golf club head having a striking plate with variable roll radius of curvature and a variable bulge radius of curvature is disclosed herein. The striking plate preferably has a large surface area which requires correction of off-center shots. The striking plate may be used on a fairway wood-type golf club head or a driver-type golf club head. The striking plate is preferably composed of steel or titanium.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: May 6, 2003
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, Garth W. Smith
  • Golf club striking plate with variable bulge and roll
    Publication number: 20030013543
    Abstract: A golf club head having a striking plate with variable roll radius of curvature and a variable bulge radius of curvature is disclosed herein. The striking plate preferably has a large surface area which requires correction of off-center shots. The striking plate may be used on a fairway wood-type golf club head or a driver-type golf club head. The striking plate is preferably composed of steel or titanium.
    Type: Application
    Filed: August 5, 2002
    Publication date: January 16, 2003
    Applicant: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, Garth W. Smith
  • Golf club head
    Patent number: 6475102
    Abstract: A golf club head has a four-faceted sole. The golf club head has a body that has a volume between 140 cubic centimeters and 350 cubic centimeters. The body of the golf club head weighs between 140 grams and 215 grams. The golf club head preferably has a bismuth weighting system. The golf club head is preferably a driver, but may also be a fairway wood. The four-faceted sole is composed of a central facet, a toe facet, a heel facet and a rear facet.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: November 5, 2002
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, J. Andrew Galloway
  • Weighting system for a golf club head
    Publication number: 20020113332
    Abstract: A golf club head has a weight compartment within a hollow interior, and a weight member that is injected into the weight compartment subsequent to formation of the body of the golf club head. The preferred weight member is bismuth. The golf club head has a body that has a volume between 140 cubic centimeters and 350 cubic centimeters. The body of the golf club head weighs between 140 grams and 215 grams.
    Type: Application
    Filed: February 28, 2002
    Publication date: August 22, 2002
    Applicant: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, J. Andrew Galloway
  • Weighting system for a golf club head
    Patent number: 6434811
    Abstract: A golf club head has a weight compartment within a hollow interior, and a weight member that is injected into the weight compartment subsequent to formation of the body of the golf club head. The preferred weight member is bismuth. The golf club head has a body that has a volume between 140 cubic centimeters and 350 cubic centimeters. The body of the golf club head weighs between 140 grams and 215 grams.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: August 20, 2002
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, J. Andrew Galloway
  • Golf club head
    Publication number: 20020111229
    Abstract: 18A golf club head has a four-faceted sole. The golf club head has a body that has a volume between 140 cubic centimeters and 350 cubic centimeters. The body of the golf club head weighs between 140 grams and 215 grams. The golf club head preferably has a bismuth weighting system. The golf club head is preferably a driver, but may also be a fairway wood. The four-faceted sole is composed of a central facet, a toe facet, a heel facet and a rear facet.
    Type: Application
    Filed: February 28, 2002
    Publication date: August 15, 2002
    Applicant: Callaway Golf Compay
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, J. Andrew Galloway
  • Golf club striking plate with variable bulge and roll
    Patent number: 6428426
    Abstract: A golf club head having a striking plate with variable roll radius of curvature and a variable bulge radius of curvature is disclosed herein. The striking plate preferably has a large surface area which requires correction of off-center shots. The striking plate may be used on a fairway wood-type golf club head or a driver-type golf club head. The striking plate is preferably composed of steel or titanium.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: August 6, 2002
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, Garth W. Smith
  • Weighting system for a golf club head
    Patent number: 6364788
    Abstract: A golf club head has a weight compartment within a hollow interior, and a weight member that is injected into the weight compartment subsequent to formation of the body of the golf club head. The preferred weight member is bismuth. The golf club head has a body that has a volume between 140 cubic centimeters and 350 cubic centimeters. The body of the golf club head weighs between 140 grams and 215 grams.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: April 2, 2002
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, J. Andrew Galloway
  • Four faceted sole plate for a golf club head
    Patent number: 6325728
    Abstract: A four faceted sole for a high performance, large volume golf club head is disclosed herein. The sole has a central facet, a heel facet, a toe facet and a rear facet. The central facet occupies 50 to 70 percent of the total sole surface area. The toe facet, the heel facet and the rear facet are all preferably angled relative to the central facet. The four faceted sole allows for a lower center of gravity for the golf club head and a specific moment of inertia.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: December 4, 2001
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, Garth W. Smith
  • Golf club head
    Patent number: D440616
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: April 17, 2001
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, Garth W. Smith
  • Golf club sole plate
    Patent number: D441415
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: May 1, 2001
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, Garth W. Smith
  • Golf club head
    Patent number: D441819
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: May 8, 2001
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, Homer E. Aguinaldo
  • Golf club sole plate
    Patent number: D444196
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: June 26, 2001
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, Roger C. Cleveland, D. Clayton Evans, Homer E. Aguinaldo
  • Scoreline pattern for golf club head
    Patent number: D446834
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: August 21, 2001
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, Roger C. Cleveland, Homer E. Aguinaldo
  • Scoreline pattern for golf club head
    Patent number: D447527
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: September 4, 2001
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, Roger C. Cleveland, Garth W. Smith
  • Fairway wood type golf club head
    Patent number: D481773
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: November 4, 2003
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, Augustin W. Rollinson, Roger C. Cleveland, D. Clayton Evans, Joshua G. Breier, Robert R. Lang
  • 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
  • Golf club grip
    Patent number: D430634
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: September 5, 2000
    Assignee: Callaway Golf Company
    Inventors: Roger C. Cleveland, Wayne H. Byrne, Larry G. Tang
  • Golf club head
    Patent number: D864326
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: October 22, 2019
    Assignee: Callaway Golf Company
    Inventors: Philip A. Mickelson, Roger C. Cleveland, Brian Herr, Patrick Dawson, Randolph J. Peterson, Gerritt Pon