Patents by Inventor James A. Seluga

James A. Seluga 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 structural columns
    Patent number: 9908017
    Abstract: A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior. Each of the structural columns extends from the crown or return section to the sole section within the hollow interior to reduce stresses placed on the face section during impact with a golf ball. The structural columns are all located within 1 inch of a rear surface of the face section measured along a plane normal to the center of the face, and are spaced a distance of 0.500 to 2.00 inch from one another within the hollow interior.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: March 6, 2018
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Matthew Myers
  • Golf club head with center of gravity adjustability that optimizes products of inertia
    Patent number: 9908019
    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 height adjustment assembly wherein the center of gravity height adjustment assembly is positioned within the hollow interior of the body. The products of inertia (Ixz and Iyz) of the golf club head have an absolute value below 100 g-cm2.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: March 6, 2018
    Assignee: Callaway Golf Company
    Inventor: James A. Seluga
  • Golf Club Shaft Connection Assembly
    Publication number: 20180056143
    Abstract: A golf club shaft connection assembly comprising first and second shaft sections, male and female adaptors, a hollow retainer, a spring, and a plurality of balls is disclosed herein. The male and female adaptors are each attached to the first and second shaft sections, respectively, preferably with a permanent adhesive. The male adaptor comprises a protrusion that fits within a keyed interior of the female adaptor, and moving the hollow retainer towards the male adaptor reversibly fixes the two adaptors together, while moving the hollow retainer towards the female adaptor allows the male adaptor to be removed from the female adaptor.
    Type: Application
    Filed: November 6, 2017
    Publication date: March 1, 2018
    Inventor: James A. Seluga
  • Golf Club Head With Tubes Connecting Crown to Elongated Protrusion
    Publication number: 20180043219
    Abstract: A golf club head comprising a body and a plurality of tubes is disclosed herein. The body comprises a face section, a sole section with a protrusion extending upward and a crown section. The body defines a hollow interior. Each of the plurality of tubes extends from the crown section to the protrusion of the sole section.
    Type: Application
    Filed: October 3, 2017
    Publication date: February 15, 2018
    Inventors: James A. Seluga, Matthew Myers
  • Golf club head having stress-reducing structures
    Patent number: 9889349
    Abstract: A golf club head comprising a body and a plurality of stiffening members is disclosed herein. The body comprises a face section, a sole section, and a crown section or a return section, and also defines a hollow interior. Each of the plurality of stiffening members extends from the crown section or return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The stiffening members preferably are preloaded, and may be tightened using a tool. Each of the stiffening members has a midsection that is preferably selected from the group consisting of a solid metal rod, a hollow metal tube, and a spring, and each preferably is composed of a titanium alloy.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: February 13, 2018
    Assignee: Callway Golf Company
    Inventors: James A. Seluga, Matthew Myers, Patrick Dawson
  • Golf Club Head With Center of Gravity Adjustability
    Publication number: 20180021643
    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: October 4, 2017
    Publication date: January 25, 2018
    Inventors: James A. Seluga, Denver Holt
  • Golf Club Head With Structural Columns
    Publication number: 20180015338
    Abstract: A golf club head having at least one structural column is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior. Each of the structural columns extends from the crown or return section to the sole section within the hollow interior to reduce stresses placed on the face section during impact with a golf ball. The structural columns are all located within 1 inch of a rear surface of the face section measured along a plane normal to the center of the face, and are spaced a distance of 0.500 to 2.00 inch from one another within the hollow interior.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Inventors: James A. Seluga, Matthew Myers
  • Golf club head with structural columns
    Patent number: 9855476
    Abstract: A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior. Each of the structural columns extends from the crown or return section to the sole section within the hollow interior to reduce stresses placed on the face section during impact with a golf ball. The structural columns are all located within 1 inch of a rear surface of the face section measured along a plane normal to the center of the face, and are spaced a distance of 0.500 to 2.00 inch from one another within the hollow interior.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: January 2, 2018
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Matthew Myers, Irina Ivanova, Bradley C. Rice, William C. Watson, Joel B. Erickson
  • Golf club head with cam weight
    Patent number: 9833669
    Abstract: A golf club head comprising at least one weight port and a cam weight sized to reversibly lock into the weight port is disclosed herein. The weight port includes a floor, a wall, a first seating tab extending from the wall, and a second seating tab extending from the wall, but no openings communicating with an interior of the golf club head. The cam weight, which preferably is composed of a single material, includes a cylindrical body, a first helical wing, a second helical wing, and a tool engagement feature. The helical wings give the cam weight a keyed shape, which matches the shape of the weight port when the seating tabs are taken into account.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: December 5, 2017
    Assignee: Callaway Golf Company
    Inventors: Matthew Myers, James A. Seluga, Wee Joung Kim
  • Iron-type golf club head with elevated weight bar and stress-relieving structures
    Patent number: 9827469
    Abstract: A golf club head comprising a body, an elevated weight bar, and at least one stiffening member is disclosed herein. The elevated weight bar is disposed within a hollow cavity portion of the body and bridges at least a portion of a bottom section of the body, and the at least one stiffening member is also disposed within the hollow cavity portion, extending from a top line section to bottom section of the body and passing through the elevated weight bar without making contact with the elevated weight bar. The elevated weight bar, which is preferably composed of a higher density material than that of the body, may be formed separately from the rest of the body and then affixed to the body by welding or a mechanical fastener.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: November 28, 2017
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Matthew Myers, Irina Ivanova, Bradley C. Rice, William C. Watson
  • Golf club head having stress-reducing tubes
    Patent number: 9821199
    Abstract: A golf club head comprising a body and a plurality of metal tubes is disclosed herein. The body comprises a face section, a sole section, and a return section, and also defines a hollow interior. Each of the plurality of metal tubes extends from the return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The body and the metal tubes preferably are composed of a titanium alloy or stainless steel. After the metal tubes are inserted into apertures in the return section and the sole section of the body, each metal tube is mechanically attached to the body using a tool that causes the ends of each metal tube to flare outwards.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: November 21, 2017
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Matthew Myers, Bradley C. Rice
  • Golf club head with center of gravity adjustability
    Patent number: 9814954
    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 17, 2016
    Date of Patent: November 14, 2017
    Assignee: Callaway Golf Company
    Inventors: Joshua D. Westrum, James A. Seluga, Patrick Dawson, Sean P. Griffin
  • Golf club head having composite tubes
    Patent number: 9814947
    Abstract: A golf club head comprising a body and a plurality of carbon tubes is disclosed herein. The body comprises a face section, a sole section with a protrusion extending upward and a crown section. The body defines a hollow interior. Each of the plurality of carbon tubes extends from the crown section to the protrusion of the sole section.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: November 14, 2017
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Matthew Myers
  • Golf club shaft connection assembly
    Patent number: 9808679
    Abstract: A golf club shaft connection assembly comprising first and second shaft sections, male and female adaptors, a hollow retainer, a spring, and a plurality of balls is disclosed herein. The male and female adaptors are each attached to the first and second shaft sections, respectively, preferably with a permanent adhesive. The male adaptor comprises a protrusion that fits within a keyed interior of the female adaptor, and moving the hollow retainer towards the male adaptor reversibly fixes the two adaptors together, while moving the hollow retainer towards the female adaptor allows the male adaptor to be removed from the female adaptor.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: November 7, 2017
    Assignee: Callaway Golf Company
    Inventor: James A. Seluga
  • Putter with replaceable hosel
    Patent number: 9808680
    Abstract: A putter head comprising a removable and replaceable hosel is disclosed herein. In particular, the putter comprises a first body portion with a plurality of protrusions, a second body portion with a plurality of cavities sized to receive the protrusions, a hosel with an engagement portion that is trapped within one of the cavities by a protrusion, and a mechanical fastener to removably fix each of these pieces together. The fastener preferably extends through a bore on the heel side of the putter head and into a threaded bore within one of the protrusions. In an alternative embodiment, the putter head has a single body portion, which receives the engagement portion of a hosel in a heel side cavity, and which is affixed to the hosel via a fastener that extends through a front surface of the body portion.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: November 7, 2017
    Assignee: Callaway Golf Company
    Inventors: Matthew Myers, James A. Seluga
  • Golf Club Head With Adjustable Weight Bar
    Publication number: 20170312593
    Abstract: A golf club head with means for adjusting a center of gravity along more than one axis is disclosed herein. The golf club head comprises at least one rectangular weight bar disposed within a recessed region on the sole and adjustable within the recessed region. One end of the weight bar is reversibly fixed to the sole with a connection element, while the other end includes an engagement feature that engages a retention feature at the edge of the recessed region. The retention feature provides multiple locations at the edge of the recessed region to which the engagement feature can be fixed, and when the weight bar is in a configuration desired by a golfer, the weight bar can be reversibly secured to the sole and immobilized within the recessed region by tightening the connection element. The weight bar may also include a slidable weight assembly.
    Type: Application
    Filed: July 14, 2017
    Publication date: November 2, 2017
    Inventors: Matthew Myers, James A. Seluga
  • Golf Club Head With Structural Columns
    Publication number: 20170296884
    Abstract: A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior. Each of the structural columns extends from the crown or return section to the sole section within the hollow interior to reduce stresses placed on the face section during impact with a golf ball. The structural columns are all located within 1 inch of a rear surface of the face section measured along a plane normal to the center of the face, and are spaced a distance of 0.500 to 2.00 inch from one another within the hollow interior.
    Type: Application
    Filed: June 29, 2017
    Publication date: October 19, 2017
    Applicant: Callaway Golf Company
    Inventors: James A. Seluga, Matthew Myers
  • Golf club head with center of gravity adjustability
    Patent number: 9782646
    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 13, 2016
    Date of Patent: October 10, 2017
    Assignee: Callaway Golf Company
    Inventors: James A. Seluga, Denver Holt
  • Golf Club Head With Structural Columns
    Publication number: 20170282022
    Abstract: A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior. Each of the structural columns extends from the crown or return section to the sole section within the hollow interior to reduce stresses placed on the face section during impact with a golf ball. The structural columns are all located within 1 inch of a rear surface of the face section measured along a plane normal to the center of the face, and are spaced a distance of 0.500 to 2.00 inch from one another within the hollow interior.
    Type: Application
    Filed: June 20, 2017
    Publication date: October 5, 2017
    Inventors: James A. Seluga, Matthew Myers, Irina Ivanova, Bradley C. Rice, William C. Watson, Joel B. Erickson
  • Golf Club Head With Structural Columns
    Publication number: 20170282023
    Abstract: A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior. Each of the structural columns extends from the crown or return section to the sole section within the hollow interior to reduce stresses placed on the face section during impact with a golf ball. The structural columns are all located within 1 inch of a rear surface of the face section measured along a plane normal to the center of the face, and are spaced a distance of 0.500 to 2.00 inch from one another within the hollow interior.
    Type: Application
    Filed: June 20, 2017
    Publication date: October 5, 2017
    Applicant: Callaway Golf Company
    Inventors: James A. Seluga, Matthew Myers