Patents by Inventor Daniel R. Jacobson

Daniel R. Jacobson 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).

  • Patent number: 6406381
    Abstract: 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 specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999. The golf club head body is also composed of a composite material, and a weight strip is placed within a ribbon of the body.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: June 18, 2002
    Assignee: Callaway Golf Company
    Inventors: James M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson
  • Patent number: 6386990
    Abstract: A golf club head composed of a composite material and having a metal weight strip in a ribbon section is disclosed herein. The metal strip may be composed of copper, tungsten or a similar metal. The composite golf club head may also have a sole plate composed of stainless steel attached to a sole of the golf club head. The golf club head is preferably composed of plies of pre-preg sheets. A method for fabricating the golf club head is also disclosed herein. The method uses a three-piece mold and bladder to produce a composite golf club head with a metal weight strip embedded in the ribbon.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: May 14, 2002
    Assignee: Callaway Golf Company
    Inventors: Herbert Reyes, James M. Murphy, D. Clayton Evans, J. Andrew Galloway, Daniel R. Jacobson
  • Publication number: 20020055393
    Abstract: A golf club head composed of a composite material and having a metal weight strip in a ribbon section is disclosed herein. The metal strip may be composed of copper, tungsten or a similar metal. The composite golf club head may also have a sole plate composed of stainless steel attached to a sole of the golf club head. The golf club head is preferably composed of plies of pre-peg sheets. A method for fabricating the golf club head is also disclosed herein. The method uses a three-piece mold and bladder to produce a composite golf club head with a metal weight strip embedded in the ribbon.
    Type: Application
    Filed: December 29, 1999
    Publication date: May 9, 2002
    Inventors: HERBERT REYES, JAMES M. MURPHY, D. CLAYTON EVANS, J. ANDREW GALLOWAY, DANIEL R. JACOBSON
  • Publication number: 20020049097
    Abstract: A method for manufacturing a golf club head with a face component composed of a plurality of plies of pre-preg material and having a striking plate portion with a thickness in the range of 0.010 to 0.250 inches is disclosed herein. The golf club also has a crown component composed of a plurality of plies of pre-preg material and a sole component composed of a plurality of plies of pre-preg material. The golf club head is manufactured using a bladder compression molding process.
    Type: Application
    Filed: September 5, 2001
    Publication date: April 25, 2002
    Inventors: James M. Murphy, Herbert Reyes, J. Andrew Galloway, D. Clayton Evans, Richard C. Helmstetter, Daniel R. Jacobson, Steven M. Ehlers, Matthew T. Cackett, Robert S. Gonczi
  • Patent number: 6352482
    Abstract: A golf club (20) with an internal hosel (38), a shaft (40) and a hosel liner (50) is disclosed herein. The hosel liner (50) reduces axial stress on the shaft (40) during impact of the golf club (20) with a golf ball. The hosel liner (50) is preferably composed of a polycarbonate material that has a flexural modulus in the range of 300,000 pounds per square inch to 1,000,000 pounds per square inch. Preferably, the golf club head (22) has a large volume, greater than 300 cubic centimeters, and weighs less than 215 grams. Preferably, the shaft (40) is composed of graphite and weighs between 40 grams to 80 grams.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: March 5, 2002
    Assignee: Callaway Golf Company
    Inventors: Daniel R. Jacobson, Herbert Reyes, Ronald K. Hettinger, J. Andrew Galloway, Paul D. Zanolli, Andrew J. Goodjohn, Peter L. Soracco, Edward J. Derian
  • Publication number: 20020010034
    Abstract: A golf club head composed of a composite material and having a plurality of weight members in a ribbon section is disclosed herein. The weight members are composed of a polymer material integrated with a high density metal such as tungsten. Each of the weight members preferably has a mass ranging from 5 grams to 25 grams. The golf club head is preferably composed of plies of pre-preg sheets. The club head preferably has a volume ranging from 175 cubic centimeters to 600 cubic centimeters.
    Type: Application
    Filed: September 5, 2001
    Publication date: January 24, 2002
    Inventors: Herbert Reyes, James M. Murphy, D. Clayton Evans, J. Andrew Galloway, Daniel R. Jacobson
  • Patent number: 6332847
    Abstract: A golf club head having a sole plate and hosel integral piece is disclosed herein. The integral piece may be composed of a metal material for with a golf club head having a composite body. The integral piece also improves the consistency of the loft and lie parameters of a golf club head. The hosel may be formed with the sole plate, or the hosel may be connected to the sole plate. The integral piece may also have a polymer sleeve thereabout to assist in reducing the stress at the tip end of a shaft inserted into the hosel.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: December 25, 2001
    Assignee: Callaway Golf Company
    Inventors: James M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Daniel R. Jacobson
  • Publication number: 20010029210
    Abstract: 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 specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999. The golf club head body is also composed of a composite material, and a weight strip is placed within a ribbon of the body.
    Type: Application
    Filed: June 8, 2001
    Publication date: October 11, 2001
    Inventors: James M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson
  • Patent number: 6248025
    Abstract: 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 specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999. The golf club head body is also composed of a composite material, and a weight strip is placed within a ribbon of the body.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: June 19, 2001
    Assignee: Callaway Golf Company
    Inventors: James M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson
  • Patent number: 6244976
    Abstract: A golf club head having a sole plate and hosel integral piece is disclosed herein. The integral piece may be composed of a metal material for with a golf club head having a composite body. The integral piece also improves the consistency of the loft and lie parameters of a golf club head. The hosel may be formed with the sole plate, or the hosel may be connected to the sole plate. The integral piece may also have a polymer sleeve thereabout to assist in reducing the stress at the tip end of a shaft inserted into the hosel.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: June 12, 2001
    Assignee: Callaway Golf Company
    Inventors: James M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Daniel R. Jacobson
  • Publication number: 20010001302
    Abstract:
    Type: Application
    Filed: December 29, 2000
    Publication date: May 17, 2001
    Inventors: James M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson
  • Publication number: 20010001093
    Abstract: A golf club head having a sole plate and hosel integral piece is disclosed herein. The integral piece may be composed of a metal material for with a golf club head having a composite body. The integral piece also improves the consistency of the loft and lie parameters of a golf club bead. The hosel may be formed with the sole plate, or the hosel may be connected to the sole plate. The integral piece may also have a polymer sleeve thereabout to assist in reducing the stress at the tip end of a shaft inserted into the hosel.
    Type: Application
    Filed: December 29, 2000
    Publication date: May 10, 2001
    Inventors: James M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Daniel R. Jacobson
  • Patent number: D434822
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: December 5, 2000
    Assignee: Callaway Golf Company
    Inventors: Daniel R. Jacobson, Herb Reyes, Peter L. Soracco, J. Andrew Galloway, Andrew J. Goodjohn, Paul D. Zanolli, Ronald K. Hettinger