Patents by Inventor Ronald C. Boyce

Ronald C. Boyce 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: 7147575
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998–1999.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: December 12, 2006
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Patent number: 7086962
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998–1999.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: August 8, 2006
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Patent number: 6997821
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: February 14, 2006
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Patent number: 6902497
    Abstract: A golf club head (20) having a body (22) with a front wall (30) with an opening (32) and a striking plate insert (40) is disclosed herein. The striking plate insert (40) is heat treated, and preferably has a microstructure with at least 40% alpha phase. The golf club head (20) has a volume between 200 cubic centimeters and 600 cubic centimeters. The golf club head (20) has a mass between 140 grams and 215 grams.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: June 7, 2005
    Assignee: Callaway Golf Company
    Inventors: Uday V. Deshmukh, Ronald C. Boyce, William D. Richardson
  • Publication number: 20040219992
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Application
    Filed: July 15, 2003
    Publication date: November 4, 2004
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Patent number: 6800040
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face member, a sole and a crown. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of varying thickness, with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions, such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: October 5, 2004
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Publication number: 20040092333
    Abstract: A golf club head (20) having a body (22) with a front wall (30) with an opening (32) and a striking plate insert (40) is disclosed herein. The striking plate insert (40) is heat treated, and preferably has a microstructure with at least 40% alpha phase. The golf club head (20) has a volume between 200 cubic centimeters and 600 cubic centimeters. The golf club head (20) has a mass between 140 grams and 215 grams.
    Type: Application
    Filed: November 12, 2002
    Publication date: May 13, 2004
    Applicant: Callaway Golf Company
    Inventors: Uday V. Deshmukh, Ronald C. Boyce, William D. Richardson
  • Publication number: 20040043833
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face member, a sole and a crown. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of varying thickness, with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions, such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Application
    Filed: September 3, 2003
    Publication date: March 4, 2004
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Patent number: 6620056
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: September 16, 2003
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley, Alan Hocknell
  • Publication number: 20030125130
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Application
    Filed: March 12, 2003
    Publication date: July 3, 2003
    Applicant: Callaway Golf Company
    Inventors: J. Andrew Galloway , Richard C. Helmstetter , Ronald C. Boyce , Homer E. Aguinaldo , Curtis S. Woolley , Alan Hocknell
  • Patent number: 6582321
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: June 24, 2003
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Patent number: 6506127
    Abstract: The present invention is directed at varying the thickness of a striking plate of a golf club head according to the loft angle of the golf club head. The thickness of the striking plate is greater for lower loft angles, such as seven, eight and nine degrees loft angle drivers, as compared to ten, eleven and twelve degrees loft angle drivers. The striking plate may have a variable face thickness with the thickest region near the center.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: January 14, 2003
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, J. Andrew Galloway, Ronald C. Boyce, Homer E. Aguinaldo, Alan Hocknell
  • Publication number: 20020151379
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Application
    Filed: February 28, 2002
    Publication date: October 17, 2002
    Applicant: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Patent number: 6440011
    Abstract: A method for producing a forged striking plate for a golf club is disclosed herein. The forging process involves multiple heating and pressing of a metal bar to obtain a final face member configuration. The heating of the metal bar is performed at temperatures below 1000° C. for less than twenty minutes. The final face member configuration has a striking plate with regions of variable thickness. The metal bar is preferably composed of a forged titanium material.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: August 27, 2002
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, J. Andrew Galloway, Richard C. Helmstetter, Ronald C. Boyce
  • Patent number: 6435982
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix 11, of the Rules of Golf for 1998-1999.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: August 20, 2002
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley
  • Patent number: 6435977
    Abstract: The present invention is directed varying the thickness of a striking plate of a golf club head according to the loft angle of the golf club head. The thickness of the striking plate is greater for lower loft angles, such as seven, eight and nine degrees loft angle drivers, as compared to ten, eleven and twelve degrees loft angle drivers. The striking plate may have a variable face thickness with the thickest region near the center.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: August 20, 2002
    Assignee: Callaway Golf Company
    Inventors: Richard C. Helmstetter, J. Andrew Galloway, Alan Hocknell, Ronald C Boyce, Homer E. Aguinaldo
  • Patent number: 6390933
    Abstract: A golf club having a club head having with a coefficient of restitution greater than 0.845 and a durability to withstand 2000 impacts with a golf ball at 110 mile per hour is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: May 21, 2002
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo
  • Patent number: 6381828
    Abstract: A method for chemically etching a forged striking plate for a golf club to uniformly remove 0.002 inch to 0.015 inch of material therefrom. The forged striking plate is placed in an acidic bath to uniformly remove material from all surfaces of the striking plate. The forging process, conducted prior to etching, involves multiple heating and pressing of a metal bar to obtain a final face member configuration. The heating of the metal bar is performed at temperatures below 1000° C. for less than twenty minutes. The final face member configuration has a striking plate with regions of variable thickness. The metal bar is preferably composed of a forged titanium material.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: May 7, 2002
    Assignee: Callaway Golf Company
    Inventors: Ronald C. Boyce, Richard C. Helmstetter, Alan Hocknell, J. Andrew Galloway
  • Publication number: 20020052247
    Abstract: The present invention is directed at varying the thickness of a striking plate of a golf club head according to the loft angle of the golf club head. The thickness of the striking plate is greater for lower loft angles, such as seven, eight and nine degrees loft angle drivers, as compared to ten, eleven and twelve degrees loft angle drivers. The striking plate may have a variable face thickness with the thickest region near the center.
    Type: Application
    Filed: December 21, 2001
    Publication date: May 2, 2002
    Applicant: Callaway Golf Company
    Inventors: Richard C. Helmstetter, J. Andrew Galloway, Ronald C. Boyce, Homer E. Aguinaldo, Alan Hocknell
  • Patent number: 6354962
    Abstract: A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inches is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a string plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: March 12, 2002
    Assignee: Callaway Golf Company
    Inventors: J. Andrew Galloway, Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley