Peter T Gilbert

US Patent:

7815523, Oct 19, 2010

Filed:

Aug 11, 2004

Appl. No.:

10/915458

Inventors:

Scott A. Knutson - Escondido CA, US
Peter J. Gilbert - Carlsbad CA, US
Thomas O. Bennett - Carlsbad CA, US

Assignee:

Acushnet Company - Fairhaven MA

International Classification:

A63B 53/04

US Classification:

473349, 473350

Abstract:

A golf club head having portions of varying density is disclosed and claimed. The club head includes a body with a recess in the back between the heel and toe and extending toward the sole. An insert that is configured to matingly correspond to the recess is positioned within the recess. The insert has a lower specific gravity than the club head body, biasing the club head mass toward the club head perimeter. The insert can form a muscle of the club head. The club head is forged, and the recess is formed by machining. After the insert is positioned within the recess, the club head-insert combination is subjected to additional forging and finishing steps. The present invention increases the club head moment of inertia and/or enlarges the club head sweet spot while retaining the golfer's ability to work the golf ball and shape the golf shot. The present invention can be used with forged, blade, and muscle back clubs, which have not heretofore been enhanced in these manners.

US Patent:

8117903, Feb 21, 2012

Filed:

Mar 10, 2009

Appl. No.:

12/401079

Inventors:

Charles Edward Golden - Encinitas CA, US
Peter J. Gilbert - Carlsbad CA, US

Assignee:

Acushnet Company - Fairhaven MA

International Classification:

A63B 53/04
A63B 57/00

US Classification:

73 6503, 473223, 473233

Abstract:

An apparatus and method for determining the kinematic characteristics of a golf club head are disclosed. The apparatus includes at least one piezoelectric component selectively positioned within or upon a club head. The piezoelectric component is preferably positioned to the rear of the center of gravity, and near the midpoint of the face of the club head. During a golf club swing, the piezoelectric component determines the acceleration and deceleration of the golf club head. When the club head impacts an object such as a golf ball, the piezoelectric component is also operable to determine the velocity of the club head. It may also be desirable for the piezoelectric component to determine the magnitude of vibration during impact. In this manner, the piezoelectric component may function determine the efficiency of a golf club swing.

US Patent:

8156793, Apr 17, 2012

Filed:

Mar 10, 2009

Appl. No.:

12/401102

Inventors:

Charles Edward Golden - Encinitas CA, US
Peter J. Gilbert - Carlsbad CA, US

Assignee:

Acushnet Company - Fairhaven MA

International Classification:

A63B 53/04
A63B 57/00

US Classification:

73 6503, 473223, 473226, 473233

Abstract:

An apparatus and method for determining the kinematic characteristics of a golf club head are disclosed. The apparatus includes at least one piezoelectric component selectively positioned within or upon a club head. The piezoelectric component is preferably positioned to the rear of the center of gravity, and near the midpoint of the face of the club head. During a golf club swing, the piezoelectric component determines the acceleration and deceleration of the golf club head. When the club head impacts an object such as a golf ball, the piezoelectric component is also operable to determine the velocity of the club head. It may also be desirable for the piezoelectric component to determine the magnitude of vibration during impact. In this manner, the piezoelectric component may function determine the efficiency of a golf club swing.

US Patent:

8172694, May 8, 2012

Filed:

Nov 8, 2007

Appl. No.:

11/979787

Inventors:

Charles Edward Golden - Encinitas CA, US
Peter J. Gilbert - Carlsbad CA, US

Assignee:

Acushnet Company - Fairhaven MA

International Classification:

A63B 57/00

US Classification:

473223, 73 6503

Abstract:

An apparatus and method for determining the kinematic characteristics of a golf club head are disclosed. The apparatus includes at least one piezoelectric component selectively positioned within or upon a club head. The piezoelectric component is preferably positioned to the rear of the center of gravity, and near the midpoint of the face of the club head. During a golf club swing, the piezoelectric component determines the acceleration and deceleration of the golf club head. When the club head impacts an object such as a golf ball, the piezoelectric component is also operable to determine the velocity of the club head. It may also be desirable for the piezoelectric component to determine the magnitude of vibration during impact. In this manner, the piezoelectric component may function determine the efficiency of a golf club swing.

US Patent:

D3878309, Dec 16, 1997

Filed:

Aug 23, 1996

Appl. No.:

D/058794

Inventors:

Peter J. Gilbert - Vista CA

International Classification:

2102

US Classification:

D21221

US Patent:

55910920, Jan 7, 1997

Filed:

May 9, 1995

Appl. No.:

8/438422

Inventors:

Peter J. Gilbert - Vista CA

Assignee:

Acushnet Company - Fairhaven MA

International Classification:

A63B 5304

US Classification:

473330

Abstract:

An iron golf club set comprising a plurality of clubs with varying lofts and groove spacings, in which the groove spacing of each club is equal to or greater than the groove spacing for the next club in the set with less club loft and there are at least two different groove spacings within the set.

US Patent:

55492967, Aug 27, 1996

Filed:

Mar 10, 1995

Appl. No.:

8/402251

Inventors:

Peter J. Gilbert - Vista CA

Assignee:

Acushnet Company - Fairhaven MA

International Classification:

A63B 5304

US Classification:

473290

Abstract:

A golf club or set of golf clubs include a sole having three surfaces: a positive bounce surface, a trailing sole surface and a crescent surface therebetween. The crescent surface has a generally straight front boundary and a curved rear boundary. Moreover, the crescent surface has a bounce angle such that there is a contact point substantially in the center of the rear boundary of the crescent surface.

US Patent:

58002812, Sep 1, 1998

Filed:

Aug 23, 1996

Appl. No.:

8/702069

Inventors:

Peter J. Gilbert - Vista CA

Assignee:

Acushnet Company - Fairhaven MA

International Classification:

A63B 5304

US Classification:

473287

Abstract:

A golf club or set of golf clubs include a sole having three surfaces: an entrance surface, a bounce surface and a trailing surface. The bounce surface is angled from the ground with a bounce angle and has a pair of cavities that are aligned with the sole of the golf club.