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J Andrew Galloway, Richard C Helmstetter, Alan Hocknell, Ronald C Boyce, Homer E Aguinaldo, Curtis S Woolley: Golf club head with a face composed of a forged material. Callaway Golf Company, Michael A Catania, March 12, 2002: US06354962 (243 worldwide citation)

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 ...


2
J Andrew Galloway, Richard C Helmstetter, Alan Hocknell, Ronald C Boyce, Homer E Aguinaldo: High cofficient of restitution golf club head. Callaway Golf Company, Michael A Catania, May 21, 2002: US06390933 (230 worldwide citation)

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 compos ...


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James M Murphy, Herbert Reyes, D Clayton Evans, J Andrew Galloway, Richard C Helmstetter, Daniel R Jacobson: Composite golf club head and method of manufacturing. Callaway Golf Company, Michael A Catania, June 19, 2001: US06248025 (191 worldwide citation)

A golf club having a club head with a striking plate composed of a composite material and having a thickness in the range of 0.010 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 spe ...


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Joel B Erickson, J Andrew Galloway, Alan Hocknell: Multiple material golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, April 11, 2006: US07025692 (181 worldwide citation)

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 sectio ...


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Nathan J Lee, J Andrew Galloway, William Kelly Borsum: Instrumented golf club system and method of use. Callaway Golf Company, Michael A Catania, May 1, 2001: US06224493 (176 worldwide citation)

An instrumented golf club system having an instrumented golf club, an interface means and a computing means is disclosed herein. The instrumented golf club includes a plurality of sensors, an internal power supply, an angular rate sensor and an internal ring buffer memory for capturing data relating ...


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J Andrew Galloway, Richard C Helmstetter, Matthew T Cackett, Alan Hocknell, D Clayton Evans, Herbert Reyes, Garth W Smith, James M Murphy: Multiple material golf club head. Callaway Golf Company, Michael A Catania, June 10, 2003: US06575845 (173 worldwide citation)

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 ...


10
J Andrew Galloway: Golf club striking plate having elliptical regions of thickness. Callaway Golf Company, Michael A Catania, April 9, 2002: US06368234 (172 worldwide citation)

A golf club head having a striking plate with concentric elliptical regions of varying thickness ranges is disclosed herein. A central elliptical region has a base thickness range that is thicker than the thickness range of any of the other elliptical regions. The thickness of the elliptical regions ...