1
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 ...


3
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, August 20, 2002: US06435982 (103 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 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 m ...


4
Ronald C Boyce, Richard C Helmstetter, Alan Hocknell, J Andrew Galloway: Chemical etching of a striking plate for a golf club head. Callaway Golf Company, Micheal A Catania, May 7, 2002: US06381828 (99 worldwide citation)

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 ...


5
Richard C Helmstetter, J Andrew Galloway, Alan Hocknell, Ronald C Boyce, Homer E Aguinaldo: Set of woods with face thickness variation based on loft angle. Callaway Golf Company, Michael A Catania, August 20, 2002: US06435977 (67 worldwide citation)

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, eleve ...


6
Uday V Deshmukh, Ronald C Boyce, William D Richardson: Golf club head with a face insert. Callaway Golf Company, Michael A Catania, Elaine H Lo, June 7, 2005: US06902497 (59 worldwide citation)

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 2 ...


7
J Andrew Galloway, Richard C Helmstetter, Ronald C Boyce, Homer E Aguinaldo, Curtis S Woolley, Alan Hocknell: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, September 16, 2003: US06620056 (53 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 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 m ...


8
Alan Hocknell, J Andrew Galloway, Richard C Helmstetter, Ronald C Boyce: Method for processing a striking plate for a golf club head. Callaway Golf Company, Michael A Catania, August 27, 2002: US06440011 (52 worldwide citation)

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 min ...


9
J Andrew Galloway, Richard C Helmstetter, Alan Hocknell, Ronald C Boyce, Homer E Aguinaldo, Curtis S Woolley: Golf club head. Callaway Golf Company, Michael A Catania, Elaine H Lo, October 5, 2004: US06800040 (45 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 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 ...


10
J Andrew Galloway, Richard C Helmstetter, Alan Hocknell, Ronald C Boyce, Homer E Aguinaldo, Curtis S Woolley: Golf club head. Callaway Golf Company, Michael A Catania, June 24, 2003: US06582321 (30 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 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 m ...