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).

  • Golf club head with adjustable center of gravity
    Patent number: 9364728
    Abstract: A golf club head comprising a slidable weight for adjusting the location of the golf club head center of gravity, as well as the golf club head bias, is disclosed herein. In particular, the golf club head, which may be a wood or iron-type head, comprises a pair of rails extending along at least one surface, such as a rear surface of an iron type head or a channel disposed in a wood-type head, and a slidable weight comprising a pair of grooves sized to receive the rails. In some embodiments, an applique or one or more clips are applied over or to the rails to prevent the weight from disengaging from the golf club head.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: June 14, 2016
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Matthew Myers, Denver Holt, James A. Seluga, Wee Joung Kim, Steven C. Sutton
  • Golf club head with center of gravity adjustability
    Patent number: 9352199
    Abstract: The present invention comprises a golf club head comprising a body having a crown, a sole, a front wall and a hosel, wherein the body defines a hollow interior. The golf club head further comprises a center of gravity adjustment assembly wherein the center of gravity adjustment assembly is positioned within the hollow interior of the body, and allows the center of gravity of the golf club head to be adjusted by at least 0.050 inch, preferably along a vertical axis.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: May 31, 2016
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Denver Holt
  • GOLF CLUB HEAD WITH ADJUSTABLE CENTER OF GRAVITY
    Publication number: 20160129323
    Abstract: A golf club head comprising a slidable weight for adjusting the location of the golf club head center of gravity, as well as the golf club head bias, is disclosed herein. In particular, the golf club head, which may be a wood or iron-type head, comprises a pair of rails extending along at least one surface, such as a rear surface of an iron type head or a channel disposed in a wood-type head, and a slidable weight comprising a pair of grooves sized to receive the rails. In some embodiments, an applique or one or more clips are applied over or to the rails to prevent the weight from disengaging from the golf club head.
    Type: Application
    Filed: January 14, 2016
    Publication date: May 12, 2016
    Inventors: Matthew Myers, Denver Holt, James A. Seluga, Wee Joung Kim, Steven C. Sutton
  • GOLF CLUB HEAD WITH ADJUSTABLE CENTER OF GRAVITY
    Publication number: 20160051869
    Abstract: A golf club head comprising multiple means of adjusting the location of the center of gravity, and the bias, is disclosed herein. In a preferred embodiment, the golf club head comprises a non-metal medallion comprising a channel that is affixed to one of the crown and the sole, a slidable weight sized to fit within the channel, and a cover that attaches to the medallion and locks the slidable weight within the channel at a location selected by a user. The cover preferably includes at least one cutout so that the slidable weight is at least partially visible to the user when it is locked within the channel. The cover also includes additional cutouts that receive protrusions extending from the medallion to more securely attach the cover to the medallion.
    Type: Application
    Filed: November 4, 2015
    Publication date: February 25, 2016
    Inventors: Philip G. Foster, Matthew Myers, Wee Joung Kim, Steven C. Sutton, Larry Tang, Denver Holt
  • ADJUSTABLE GOLF CLUB SHAFT AND HOSEL ASSEMBLY
    Publication number: 20160016051
    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 feature that provides an engagement between the tubular adjustment piece and the shaft sleeve to prevent the tubular adjustment piece from becoming detached from the shaft sleeve.
    Type: Application
    Filed: October 1, 2015
    Publication date: January 21, 2016
    Inventors: Kevin P. Dacey, Denver Holt
  • ADJUSTABLE GOLF CLUB SHAFT AND HOSEL ASSEMBLY
    Publication number: 20160008675
    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: Application
    Filed: September 22, 2015
    Publication date: January 14, 2016
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, JR., Denver Holt, James A. Seluga, Scott Manwaring
  • Golf club head with adjustable center of gravity
    Patent number: 9216332
    Abstract: A golf club head comprising a plurality of center of gravity adjustment assemblies and a flat panel that attenuates sound and, in certain embodiments, connects the center of gravity adjustment assemblies, is disclosed herein.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: December 22, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Steven M. Ehlers, Denver Holt, James A. Seluga, Wee Joung Kim, Scott R. Manwaring
  • Golf club head with adjustable center of gravity
    Patent number: 9211453
    Abstract: A golf club head comprising multiple means of adjusting the location of the center of gravity, and the bias, is disclosed herein. In a preferred embodiment, the golf club head comprises a non-metal medallion comprising a channel that is affixed to one of the crown and the sole, a slidable weight sized to fit within the channel, and a cover that attaches to the medallion and locks the slidable weight within the channel at a location selected by a user. The cover preferably includes at least one cutout so that the slidable weight is at least partially visible to the user when it is locked within the channel. The cover also includes additional cutouts that receive protrusions extending from the medallion to more securely attach the cover to the medallion.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: December 15, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Philip G. Foster, Matthew Myers, Wee Joung Kim, Steven C. Sutton, Larry Tang, Denver Holt
  • Golf club head with adjustable center of gravity
    Patent number: 9180349
    Abstract: A golf club head comprising a plurality of center of gravity adjustment assemblies is disclosed herein. In some embodiments, the golf club head comprises a plurality of weight ports and a vertical center of gravity adjustment assembly. In other embodiments, the golf club head comprises two vertical center of gravity adjustment assemblies and one horizontal center of gravity adjustment assembly that allows weight to be shifted in a direction perpendicular to a face of the golf club head. In some embodiments, the horizontal center of gravity adjustment assembly may include a slidable weight, while in others it may include a flippable weight cartridge.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: November 10, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: James A. Seluga, Wee Joung Kim, Scott R. Manwaring, Denver Holt
  • Adjustable golf club shaft and hosel assembly
    Patent number: 9174097
    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 feature that provides an engagement between the tubular adjustment piece and the shaft sleeve to prevent the tubular adjustment piece from becoming detached from the shaft sleeve.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: November 3, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Kevin P. Dacey, Denver Holt
  • Adjustable golf club shaft and hosel assembly
    Patent number: 9168427
    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: March 24, 2014
    Date of Patent: October 27, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, Jr., Denver Holt, James A. Seluga, Scott R. Manwaring
  • Multiple-material iron
    Patent number: 9138622
    Abstract: The present invention discloses an iron-type golf club head formed from multiple materials that increase torsional stiffness of the club and aid in sound performance. In particular, the iron-type golf club head includes a body having top, sole, heel, toe, and face portions, a rear cavity, and a rear flange extending upwards from the sole portion, and a composite cap comprising a plurality of ribs covering the rear cavity and forming an internal cavity. The ribs can extend from an interior surface to an exterior surface of the composite cap, and in one embodiment, at least one of the ribs extends along an interior surface of the composite cap and hooks over the rear flange.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: September 22, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Brandon D. DeMille, Steven M. Ehlers, Sean Griffin, James A. Seluga, Patrick Dawson, Denver Holt, Joshua D. Westrum
  • GOLF CLUB HEAD WITH CENTER OF GRAVITY ADJUSTABILITY
    Publication number: 20150246271
    Abstract: The present invention comprises a golf club head comprising a body having a crown, a sole, a front wall and a hosel, wherein the body defines a hollow interior. The golf club head further comprises a center of gravity adjustment assembly wherein the center of gravity adjustment assembly is positioned within the hollow interior of the body, and allows the center of gravity of the golf club head to be adjusted by at least 0.050 inch, preferably along a vertical axis.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Inventors: James A. Seluga, Denver Holt
  • Adjustable golf club shaft and hosel assembly
    Patent number: 9119998
    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 25, 2014
    Date of Patent: September 1, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Broadus Perry Wall, Jr., Homer E. Aguinaldo, Denver Holt, James A. Seluga, Scott R. Manwaring
  • Adjustable golf club shaft and hosel assembly
    Patent number: 9101806
    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: April 23, 2014
    Date of Patent: August 11, 2015
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, James A. Seluga, Denver Holt
  • Golf club head with adjustable center of gravity
    Patent number: 9072951
    Abstract: A golf club head comprising a face, crown, sole, pivoting weight receptacle with a bore, and a weight cartridge sized to removably fit within the bore is disclosed herein. In particular, least one of the crown and the sole comprises a first weight port sized to releasably receive the pivoting weight receptacle, which extends into an interior cavity of the golf club head when the pivoting weight receptacle is fully engaged with the first weight port such that at least part of the pivoting weight receptacle is suspended within the interior cavity and does not make contact with any portion of the golf club head.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: July 7, 2015
    Assignee: Callaway Golf Company
    Inventors: Larry Tang, James A. Seluga, Patrick Dawson, Tim Goudarzi, Denver Holt
  • Adjustable golf club shaft and hosel assembly
    Patent number: 9067108
    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: January 22, 2014
    Date of Patent: June 30, 2015
    Assignee: Callaway Golf Company
    Inventors: Homer E. Aguinaldo, Broadus Perry Wall, Jr., Denver Holt, James A. Seluga, Scott Manwaring
  • Golf club head with center of gravity adjustability
    Patent number: 9067110
    Abstract: The present invention comprises a golf club head comprising a body having a crown, a sole, a front wall and a hosel, wherein the body defines a hollow interior. The golf club head further comprises a center of gravity adjustment assembly wherein the center of gravity adjustment assembly is positioned within the hollow interior of the body, and allows the center of gravity of the golf club head to be adjusted by at least 0.050 inch, preferably along a vertical axis.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: June 30, 2015
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Denver Holt
  • Golf club head
    Patent number: D737388
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: August 25, 2015
    Assignee: CALLAWAY GOLF COMPANY
    Inventors: Larry Tang, Denver Holt, Wee Joung Kim
  • Golf club head
    Patent number: D763997
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: August 16, 2016
    Assignee: Callaway Golf Company
    Inventors: Larry G. Tang, Denver Holt