Patents by Inventor SEAN P. GRIFFIN

SEAN P. GRIFFIN 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: 9084921
    Abstract: A golf club head comprising a channel and an expandable weight that can be removably fixed at any point within the channel is disclosed herein. The weight comprises at least an upper portion, a middle portion, a lower portion, and a bolt, and the upper portion and lower portion preferably are formed of metal materials while the middle portion preferably is formed of a polymeric material. The weight preferably is trapped within the channel so that it cannot fall out of the channel during use. The channel may also have an end that opens into a port, which can be filled with a plug or weight screw to prevent the weight from falling out of the channel, and also can be removed so that the weight can be removed and replaced with another expandable weight having a different overall mass.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: July 21, 2015
    Assignee: Callaway Golf Company
    Inventors: Ten Ken Liang, Matthew Myers, Sean P. Griffin
  • Patent number: 8956244
    Abstract: A golf club head comprising an adjustable weighting feature including a tube extending from the crown to the sole of the golf club head is disclosed herein. More specifically, a golf club head formed from three pieces, namely a first piece comprising a face, a crown portion, a sole portion, and a hosel, a second piece comprising a rear end, a crown portion, and a sole portion, and a tube, wherein these pieces are welded to one another, is disclosed herein. Each of these pieces may be separately cast, forged, or formed from a metal material such as stainless steel, titanium alloy, and aluminum alloy.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: February 17, 2015
    Assignee: Callaway Golf Company
    Inventors: Joshua D. Westrum, James E. Seluga, Patrick Dawson, Sean P. Griffin
  • Publication number: 20140357401
    Abstract: A golf club head having a plurality of slots that are strategically placed on its sole to enhance sound and reduce weight is disposed herein. In particular, the slots are disposed in a triangular pattern or around a triangular panel proximate the face.
    Type: Application
    Filed: August 15, 2014
    Publication date: December 4, 2014
    Inventors: Sean P. Griffin, Philip G. Foster
  • Publication number: 20140100055
    Abstract: The present invention relates to a hosel for connecting a shaft to a club head. In one aspect of the invention, the hosel comprises a body having an undercut, wherein the undercut has a maximum cross section which tapers to a minimum cross section and increases to the maximum cross section immediately adjacent the club head. The hosel further comprises a flange section below the hosel and hosel bore above the undercut, the hosel bore section having a length of at least one inch. In another aspect of the invention, the hosel tapers in diameter from a maximum to a minimum width, and has a maximized interior mold line (IML) to improve bendability and weight savings.
    Type: Application
    Filed: November 5, 2013
    Publication date: April 10, 2014
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: Matthew T. Cackett, Sean P. Griffin
  • Publication number: 20120115632
    Abstract: The present invention relates to a hosel for connecting a shaft to a club head. In one aspect of the invention, the hosel comprises a body having an undercut, wherein the undercut has a maximum cross section which tapers to a minimum cross section and increases to the maximum cross section immediately adjacent the club head. The hosel further comprises a flange section below the hosel and hosel bore above the undercut, the hosel bore section having a length of at least one inch. In another aspect of the invention, the hosel tapers in diameter from a maximum to a minimum width, and has a maximized interior mold line (IML) to improve bendability and weight savings.
    Type: Application
    Filed: May 10, 2011
    Publication date: May 10, 2012
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: MATTHEW T. CACKETT, SEAN P. GRIFFIN
  • Patent number: D715880
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: October 21, 2014
    Assignee: Callaway Golf Company
    Inventors: Chris J. Wieland, Matthew S. Hoffmeyer, Larry G. Tang, Scott R. Manwaring, Philip G. Foster, Sean P. Griffin
  • Patent number: D715881
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: October 21, 2014
    Assignee: Callaway Golf Company
    Inventors: Brooks Roche, Matthew S. Hoffmeyer, Larry G. Tang, Scott R. Manwaring, Philip G. Foster, Sean P. Griffin
  • Patent number: D716389
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: October 28, 2014
    Assignee: Callaway Golf Company
    Inventors: Chris J. Wieland, Matthew S. Hoffmeyer, Larry G. Tang, Scott R. Manwaring, Philip G. Foster, Sean P. Griffin
  • Patent number: D716390
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: October 28, 2014
    Assignee: Callaway Golf Company
    Inventors: Chris J. Wieland, Matthew S. Hoffmeyer, Larry G. Tang, Scott R. Manwaring, Philip G. Foster, Sean P. Griffin
  • Patent number: D736878
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: August 18, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Brooks Roche, Matthew S. Hoffmeyer, Larry G. Tang, Scott R. Manwaring, Philip G. Foster, Sean P. Griffin
  • Patent number: D737389
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: August 25, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Chris J. Wieland, Matthew S. Hoffmeyer, Larry G. Tang, Scott R. Manwaring, Philip G. Foster, Sean P. Griffin
  • Patent number: D737390
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: August 25, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Chris J. Wieland, Matthew S. Hoffmeyer, Larry G. Tang, Scott R. Manwaring, Philip G. Foster, Sean P. Griffin