Patents by Inventor Richard C. Helmstetter
Richard C. Helmstetter 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).
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Publication number: 20040014534Abstract: A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a metal material selected from the group consisting of magnesium alloys, aluminum alloys, magnesium and aluminum. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches.Type: ApplicationFiled: May 7, 2003Publication date: January 22, 2004Applicant: CALLAWAY GOLF COMPANYInventors: Alan Hocknell, Matthew T. Cackett, Richard C. Helmstetter, J. Andrew Galloway, D. Clayton Evans
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Patent number: 6679782Abstract: A putter (100) having a club head (20) having a central aperture (32) with a rearward center of gravity is disclosed herein. The club head (20) has a body (22) that is preferably composed of stainless steel. The body (22) has a face portion (24), a crown portion (26), a sole portion (28) and an aft-mass portion (30). The face portion (24), the crown portion (26), the sole portion (28) and the aft-mass portion (30) define the central aperture (32). The crown portion (26) extends rearward from the face portion (24) over the aft-mass portion (30). The central aperture (32) separates the crown portion (26) from the sole portion (28) and the face portion (24) from the aft-mass portion (30). The crown portion (26) has an alignment means (40) thereon for aiming a golf ball during putting. The putter has novel inertial properties.Type: GrantFiled: September 26, 2002Date of Patent: January 20, 2004Assignee: Callaway Golf CompanyInventors: Larry G. Tang, Roger Cleveland, Richard C. Helmstetter, Augustin W. Rollinson, Wayne H. Byrne, Luke R. Williams
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Patent number: 6669580Abstract: A 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. The golf club head may be composed of plies of pre-preg sheets. The volume of the golf club head preferably ranges from 300 cm3 to 600 cm3.Type: GrantFiled: April 10, 2003Date of Patent: December 30, 2003Assignee: Callaway Golf CompanyInventors: Matthew T. Cackett, D. Clayton Evans, Richard C. Helmstetter, Frank “Pin” H. Fan, Alan Hocknell
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Patent number: 6669577Abstract: 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 front wall (30) has a perimeter region (50) encompassing the opening (32), which has a thickness less than the thickness of the striking plate insert (40). 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: GrantFiled: June 13, 2002Date of Patent: December 30, 2003Assignee: Callaway Golf CompanyInventors: Alan Hocknell, Evan D. Gibbs, Richard C. Helmstetter
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Publication number: 20030232662Abstract: 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 front wall (30) has a perimeter region (50) encompassing the opening (32), which has a thickness less than the thickness of the striking plate insert (40). 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: ApplicationFiled: June 13, 2002Publication date: December 18, 2003Applicant: Callaway Golf CompanyInventors: Alan Hocknell, Evan D. Gibbs, Richard C. Helmstetter
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Patent number: 6663504Abstract: A fairway wood type golf club having a club head with a major body and a minor body is disclosed herein. The major body is composed of an amorphous metal material and has a striking plate section, a return section, a sole section, a ribbon section and a ledge portion. The minor body is preferably composed of a composite material and has a crown section and a ribbon section. The striking plate section preferably has variable face thickness. The minor body is preferably attached by a liquid adhesive to the ledge section of the major body.Type: GrantFiled: April 18, 2002Date of Patent: December 16, 2003Assignee: Callaway Golf CompanyInventors: Alan Hocknell, Uday V. Deshmukh, Richard C. Helmstetter, Matthew T. Cackett, Herebert Reyes, James M. Murphy, D. Clayton Evans, J. Andrew Galloway, Garth W. Smith, Augustin W. Rollinson
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Publication number: 20030195055Abstract: A golf club head and a set of golf clubs that are more forgiving are disclosed herein. The golf club head has an open cavity with an extended bottom wall in order to lower the center of gravity of the club head and to increase the moment of inertia of the club head. The set of golf clubs preferably consists of a driver, a plurality of fairway woods and a plurality of irons, with each of the club heads having a lower center of gravity and increased moment of inertia. Each club head preferably has a moment of inertia of at least 2600 grams centimeter squared.Type: ApplicationFiled: April 15, 2002Publication date: October 16, 2003Applicant: Calllaway Golf CompanyInventors: Richard C. Helmstetter, Augustin W. Rollinson, Roger Cleveland, Karl A. Clausen, Deedee Lasker, Larry G. Tang
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Patent number: 6632391Abstract: A method for manufacturing an insert having a plurality of tabs thereon in a cast molding operation is disclosed herein. The method commences with mixing a polyurethane prepolymer with a curing agent to form a polyurethane. The mixture is then poured into a mold cavity having a plurality of peripheral cavities. The mold is then subjected to pressure and heat for a predetermined time to cure the mixture thereby forming the polyurethane insert.Type: GrantFiled: October 20, 2000Date of Patent: October 14, 2003Assignee: Callaway Golf CompanyInventors: Richard C. Helmstetter, Augustin W. Rollinson, John G. Guard, James F. Dooley, Victor S. Dennis, Pijush Dewanjee
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Patent number: 6623374Abstract: A golf club head and a set of golf clubs that are more forgiving are disclosed herein. The golf club head has an open cavity with an extended bottom wall in order to lower the center of gravity of the club head and to increase the moment of inertia of the club head. The set of golf clubs preferably consists of a driver, a plurality of fairway woods and a plurality of irons, with each of the club heads having a lower center of gravity and increased moment of inertia. Each club head preferably has a moment of inertia of at least 2600 grams centimeter squared.Type: GrantFiled: April 15, 2002Date of Patent: September 23, 2003Assignee: Callaway Golf CompanyInventors: Richard C. Helmstetter, Augustin W. Rollinson, Roger Cleveland, Karl A. Clausen, Deedee Lasker, Larry G. Tang
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Publication number: 20030176238Abstract: A fairway wood type golf club having a club head with a major body and a minor body is disclosed herein. The major body is composed of a metal material and has a striking plate section, a return section, a sole section, a ribbon section and a ledge portion. The minor body is preferably composed of a composite material and has a crown section and a ribbon section. The striking plate section preferably has variable face thickness. The minor body is preferably attached by a liquid adhesive to the ledge section of the major body.Type: ApplicationFiled: June 3, 2003Publication date: September 18, 2003Applicant: CALLAWAY GOLF COMPANYInventors: J. Andrew Galloway, Richard C. Helmstetter, Matthew T. Cackett, Alan Hocknell, D. Clayton Evans, Herbert Reyes, Garth W. Smith, James M. Murphy, Augustin W. Rollinson
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Patent number: 6620056Abstract: 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: GrantFiled: March 12, 2003Date of Patent: September 16, 2003Assignee: Callaway Golf CompanyInventors: J. Andrew Galloway, Richard C. Helmstetter, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley, Alan Hocknell
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Publication number: 20030171160Abstract: A golf club (40) having a club head (42) with a face component (60) and an aft body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.Type: ApplicationFiled: February 13, 2003Publication date: September 11, 2003Applicant: Callaway Golf CompanyInventors: James M. Murphy, Herbert Reyes, Peter L. Soracco, Matthew T. Cackett, J. Andrew Galloway, Richard C. Helmstetter, Augustin W. Rollinson, Alan Hocknell
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Patent number: 6612938Abstract: A golf club having a club head with a face component composed of a plurality of plies of pre-preg material and having a striking plate portion with a thickness in the range of 0.050 to 0.250 inches is disclosed herein. The golf club head also has 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. The golf club also has a crown component composed of a plurality of plies of pre-preg material and a sole component composed of a plurality of plies of pre-preg material.Type: GrantFiled: September 5, 2001Date of Patent: September 2, 2003Assignee: Callaway Golf CompanyInventors: James M. Murphy, Herbert Reyes, J. Andrew Galloway, D. Clayton Evans, Richard C. Helmstetter, Daniel R. Jacobson, Steven M. Ehlers, Matthew T. Cackett, Robert S. Gonczi
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Patent number: 6607452Abstract: A high moment of inertia golf club head composed of a composite material and having a weight strip in a ribbon section is disclosed herein. The weight strip may be composed of copper, tungsten or a similar metal. The moment of inertia, Izz, of the golf club head about a vertical axis Z through the center of gravity ranges from 2800 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 ranges from 1900 g-cm2 to 2500 g-cm2. The golf club head is preferably composed of plies of pre-peg sheets. The volume of the composite golf club head varies from 300 cm3 to 600 cm3.Type: GrantFiled: February 27, 2001Date of Patent: August 19, 2003Assignee: Callaway Golf CompanyInventors: Richard C. Helmstetter, Herbert Reyes, James M. Murphy, Matthew T. Cackett, Pin Fan
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Patent number: D480440Type: GrantFiled: October 25, 2002Date of Patent: October 7, 2003Assignee: Callaway Golf CompanyInventors: Augustin W. Rollinson, Karl A. Clausen, Christopher J. Wieland, Larry G. Tang, Roger Cleveland, Richard C. Helmstetter, Robert R. Lang
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Patent number: D481089Type: GrantFiled: May 15, 2003Date of Patent: October 21, 2003Assignee: Callaway Golf CompanyInventors: Joshua G. Breier, Robert R. Lang, Richard C. Helmstetter, Augustin W. Rollinson
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Patent number: D482091Type: GrantFiled: May 30, 2003Date of Patent: November 11, 2003Assignee: Callaway Golf CompanyInventors: Peter L. Soracco, Augustin W. Rollinson, Roger Cleveland, Larry G. Tang, Luke R. Williams, Richard C. Helmstetter, Alan Hocknell
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Patent number: D485320Type: GrantFiled: February 10, 2003Date of Patent: January 13, 2004Assignee: Callaway Golf CompanyInventors: Joshua G. Breier, Richard C. Helmstetter, Ronald K. Hettinger
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Patent number: D485321Type: GrantFiled: September 4, 2003Date of Patent: January 13, 2004Assignee: Callaway Golf CompanyInventors: Joshua G. Breier, Robert R. Lang, Richard C. Helmstetter, Augustin W. Rollinson
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Patent number: D485592Type: GrantFiled: February 10, 2003Date of Patent: January 20, 2004Assignee: Callaway Golf CompanyInventors: Ronald H. Hettinger, Richard C. Helmstetter, Joshua G. Breier