Patents by Inventor Denver Holt

Denver Holt 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).

  • Adjustable golf club shaft and hosel assembly
    Patent number: 9044652
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve with a joint portion, a hosel portion, and a fitting piece, wherein the joint portion fits within the fitting piece and the fitting piece fits within the hosel portion.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: June 2, 2015
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, Jr., Denver Holt, James A. Seluga, Scott R. Manwaring
  • ADJUSTABLE GOLF CLUB SHAFT AND HOSEL ASSEMBLY
    Publication number: 20140221119
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve with a joint portion, a hosel portion, and a fitting piece, wherein the joint portion fits within the fitting piece and the fitting piece fits within the hosel portion.
    Type: Application
    Filed: April 2, 2014
    Publication date: August 7, 2014
    Applicant: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, JR., Denver Holt, James A. Seluga, Scott R. Manwaring
  • Adjustable golf club shaft and hosel assembly
    Patent number: 8753221
    Abstract: A golf club comprising a hosel and a shaft that is fastened to the hosel at the heel-side of the club is disclosed herein. The golf club includes a wedge inserted into an opening on the heel-side of the hosel, which and retains the shaft within the hosel. In an alternative embodiment, a lever is inserted into an opening in the heel side of the hosel to retain the shaft within the hosel.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: June 17, 2014
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, James A. Seluga, Denver Holt
  • ADJUSTABLE GOLF CLUB SHAFT AND HOSEL ASSEMBLY
    Publication number: 20140135143
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve with a joint portion, a hosel portion, and a fitting piece, wherein the joint portion fits within the fitting piece and the fitting piece fits within the hosel portion.
    Type: Application
    Filed: January 22, 2014
    Publication date: May 15, 2014
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, JR., Denver Holt, James A. Seluga, Scott Manwaring
  • Adjustable golf club shaft and hosel assembly
    Patent number: 8715104
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve and a tubular adjustment piece, which may be a shim or a wheel, that encircles at least a part of the shaft sleeve and is disposed within a hosel bore.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: May 6, 2014
    Assignee: Callaway Golf Company
    Inventors: Broadus Perry Wall, Jr., Homer E. Aguinaldo, Denver Holt, James A. Seluga, Scott Manwaring
  • Adjustable golf club shaft and hosel assembly
    Patent number: 8715102
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve, a hosel portion, and a ball joint, wherein the ball joint is located either on the shaft sleeve or the hosel portion and fits within, and is rotatable along various axes within, a socket.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: May 6, 2014
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, Jr., Denver Holt, James A. Seluga, Scott Manwaring
  • Adjustable golf club shaft and hosel assembly
    Patent number: 8696486
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve with a joint portion, a hosel portion, and a fitting piece, wherein the joint portion fits within the fitting piece and the fitting piece fits within the hosel portion.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: April 15, 2014
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, Jr., Denver Holt, James A. Seluga, Scott Manwaring
  • Adjustable golf club shaft and hosel assembly
    Patent number: 8684859
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve with a joint portion, a hosel portion, and a fitting piece, wherein the joint portion fits within the fitting piece and the fitting piece fits within the hosel portion.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: April 1, 2014
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, Jr., Denver Holt, James A. Seluga, Scott Manwaring
  • Iron-type golf club head with rear cavity with undercut
    Patent number: 8439770
    Abstract: An iron-type golf club head having a rear cavity with an undercut portion is disclosed herein. The undercut portion is present in less than 360 degrees of the rear cavity. Further, the undercut portion is preferably discontinuous. Further, the under portion preferably has sharp angles at segments of the rear cavity.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: May 14, 2013
    Assignee: Callaway Golf Company
    Inventor: Denver Holt
  • Adjustable golf club shaft and hosel assembly
    Patent number: 8403770
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve with a joint portion, a hosel portion, and a fitting piece, wherein the joint portion fits within the fitting piece and the fitting piece fits within the hosel portion.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: March 26, 2013
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, Jr., Denver Holt, James A. Seluga, Scott Manwaring
  • Iron-type golf club head with rear cavity with undercut
    Patent number: 8282506
    Abstract: An iron-type golf club head having a rear cavity with an undercut portion is disclosed herein. The undercut portion is present in less than 360 degrees of the rear cavity. Further, the undercut portion is preferably discontinuous. Further, the under portion preferably has sharp angles at segments of the rear cavity.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: October 9, 2012
    Assignee: Callaway Golf Company
    Inventor: Denver Holt
  • ADJUSTABLE GOLF CLUB SHAFT AND HOSEL ASSEMBLY
    Publication number: 20120231896
    Abstract: An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve, a hosel portion, a tubular adjustment piece having non-parallel upper and lower surfaces, and a retention piece removably attached to the tip end of the shaft sleeve, wherein the retention piece prevents the tubular adjustment piece from becoming detached from the shaft sleeve. The retention piece may be a ball joint, a universal joint connection, or a retention cap.
    Type: Application
    Filed: December 21, 2011
    Publication date: September 13, 2012
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: JAMES A. SELUGA, DENVER HOLT, SCOTT MANWARING, HOMER E. AGUINALDO
  • Interchangeable shaft for a golf club
    Patent number: 8257193
    Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: September 4, 2012
    Assignee: Callaway Golf Company
    Inventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall, Jr.
  • Iron golf club head
    Patent number: D669947
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: October 30, 2012
    Assignee: Callaway Golf Company
    Inventors: Kevin Weejoung Kim, Denver Holt
  • Golf club shaft sleeve
    Patent number: D682378
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: May 14, 2013
    Assignee: Callaway Golf Company
    Inventors: Denver Holt, J. Neil Hall
  • Golf club hosel piece
    Patent number: D682965
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: May 21, 2013
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Denver Holt, J. Neil Hall, Scott Manwaring
  • Golf club hosel piece
    Patent number: D697156
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: January 7, 2014
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Denver Holt
  • Golf club weight port cap
    Patent number: D713905
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: September 23, 2014
    Assignee: Callaway Golf Company
    Inventors: Larry G. Tang, Wee Joung Kim, James A. Seluga, Alan C. Bettencourt, Denver Holt
  • Golf club weight port plug
    Patent number: D713906
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: September 23, 2014
    Assignee: Callaway Golf Company
    Inventors: Larry G. Tang, Wee Joung Kim, James A. Seluga, Alan C. Bettencourt, Denver Holt
  • Golf club head
    Patent number: D714894
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: October 7, 2014
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, Tim Goudarzi, James A. Seluga, Denver Holt