Patents by Inventor Bruce G. Caldwell

Bruce G. Caldwell 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).

  • Method of making golf club head
    Patent number: 7041189
    Abstract: A golf club head has a body with a front, striking face, a rear face, an upper face and a lower face. A lightweight sole plate of glass fiber reinforced plastic material is secured across the lower face of the body.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: May 9, 2006
    Inventors: Bruce G. Caldwell, Franklin L. Gage, Michael A. Bluff, Sr., Ronald G. Holder
  • Golf club head with filled cavity
    Patent number: 7022029
    Abstract: A golf club head has a hollow body with a front, striking face, a rear face, an upper face, a heel and a toe, and an open lower end, the body having an internal cavity. At least one filler member of solid cork or synthetic cork material cut to match the shape and dimensions of at least part of the cavity is positioned in the cavity, and a sole plate is secured over the open lower end of the body.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: April 4, 2006
    Assignee: Ceramixgolf.com, Inc.
    Inventor: Bruce G. Caldwell
  • Golf club head
    Patent number: 6974393
    Abstract: A golf club head has a body with a front, striking face, a rear face, an upper face and a lower face. A lightweight sole plate of glass fiber reinforced plastic material is secured across the lower face of the body.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: December 13, 2005
    Assignee: CeramixGolf.com
    Inventors: Bruce G. Caldwell, Franklin L. Gage, Michael A. Bluff, Sr., Ronald G. Holder
  • Golf club head with filled cavity
    Patent number: 6899637
    Abstract: A golf club head has a hollow body with a front, striking face, a rear face, an upper face, a heel and a toe, and an open lower end, the body having an internal cavity. At least one filler member of solid cork or synthetic cork material cut to match the shape and dimensions of at least part of the cavity is positioned in the cavity, and a sole plate is secured over the open lower end of the body.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: May 31, 2005
    Assignee: Ceramixgolf.Com
    Inventor: Bruce G. Caldwell
  • Method of making golf club head
    Publication number: 20040198532
    Abstract: A golf club head has a body with a front, striking face, a rear face, an upper face and a lower face. A lightweight sole plate of glass fiber reinforced plastic material is secured across the lower face of the body.
    Type: Application
    Filed: April 14, 2004
    Publication date: October 7, 2004
    Inventors: Bruce G. Caldwell, Franklin L. Gage, Michael A. Bluff, Ronald G. Holder
  • Golf club head with filled cavity
    Publication number: 20040132543
    Abstract: A golf club head has a hollow body with a front, striking face, a rear face, an upper face, a heel and a toe, and an open lower end, the body having an internal cavity. At least one filler member of solid cork or synthetic cork material cut to match the shape and dimensions of at least part of the cavity is positioned in the cavity, and a sole plate is secured over the open lower end of the body.
    Type: Application
    Filed: December 19, 2003
    Publication date: July 8, 2004
    Inventor: Bruce G. Caldwell
  • Golf club head
    Publication number: 20040121853
    Abstract: A golf club head has a body with a front, striking face, a rear face, an upper face and a lower face. A lightweight sole plate of glass fiber reinforced plastic material is secured across the lower face of the body.
    Type: Application
    Filed: December 20, 2002
    Publication date: June 24, 2004
    Inventors: Bruce G. Caldwell, Franklin L. Gage, Michael A. Bluff, Ronald G. Holder
  • Golf club head with filled cavity
    Patent number: 6729971
    Abstract: A golf club head has a hollow body with a front, striking face, a rear face, an upper face, a heel and a toe, and an open lower end, the body having an internal cavity. At least one filler member of solid cork or synthetic cork material cut to match the shape and dimensions of at least part of the cavity is positioned in the cavity, and a sole plate is secured over the open lower end of the body.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: May 4, 2004
    Assignee: Ceramixgolf.com
    Inventor: Bruce G. Caldwell
  • Golf club head with filled cavity
    Publication number: 20040033846
    Abstract: A golf club head has a hollow body with a front, striking face, a rear face, an upper face, a heel and a toe, and an open lower end, the body having an internal cavity. At least one filler member of solid cork or synthetic cork material cut to match the shape and dimensions of at least part of the cavity is positioned in the cavity, and a sole plate is secured over the open lower end of the body.
    Type: Application
    Filed: August 15, 2002
    Publication date: February 19, 2004
    Inventor: Bruce G. Caldwell