Patents by Inventor Hocknell Alan

Hocknell Alan 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).

  • GOLF CLUB HEAD WITH HIGH MOMENT OF INERTIA
    Publication number: 20080220896
    Abstract: A golf club head having a high moment of inertia is disclosed herein. The golf club head preferably has a volume ranging from 450 cubic centimeters to 475 cubic centimeters, a mass ranging from 180 grams to 225 grams, and a length ranging from 4.0 inches to 5.0 inches. The golf club head preferably has a moment of inertia, Iyy, about the center of gravity of the golf club head ranging from 2000 grams-centimeters squared to 4000 grams-centimeters squared. Preferably, a middle section of the golf club head has less than 20% of the mass of the golf club head.
    Type: Application
    Filed: January 8, 2008
    Publication date: September 11, 2008
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: HOCKNELL ALAN, PATRICK DAWSON, BRANDON T. VINCENT
  • Golf club head with high moment of inertia
    Patent number: 7419442
    Abstract: A golf club head having a high moment of inertia is disclosed herein. The golf club head preferably has a volume ranging from 450 cubic centimeters to 475 cubic centimeters, a mass ranging from 180 grams to 225 grams, and a length ranging from 4.0 inches to 5.0 inches. The golf club head preferably has a moment of inertia, Iyy, about the center of gravity of the golf club head ranging from 2000 grams-centimeters squared to 4000 grams-centimeters squared. Preferably, a middle section of the golf club head has less than 20% of the mass of the golf club head.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: September 2, 2008
    Assignee: Callaway Golf Company
    Inventors: Hocknell Alan, Patrick Dawson, Brandon T. Vincent