Patents by Inventor Calvin S. Wang

Calvin S. Wang 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).

  • Grooves of golf club heads and methods to manufacture grooves of golf club heads
    Patent number: 11957962
    Abstract: A golf club head including a club face defined by a toe end, a heel end, a top rail and a sole. The golf club head including a plurality of grooves disposed on the club face between the top rail and the sole. Each groove extends between the toe end and the heel end. Widths of the grooves vary in a direction extending between the heel end and the toe end.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: April 16, 2024
    Assignee: Karsten Manufacturing Corporation
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • GOLF CLUB HEAD WITH OPEN BACK CAVITY
    Publication number: 20230356045
    Abstract: Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, a top rail and an inflection point. The inflection point provides increase bending of the strikeface thereby providing performance enhancement over clubs without an inflection point.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 9, 2023
    Inventors: Calvin S. Wang, Ryan M. Stokke, Martin R. Jertson
  • GOLF CLUB HEADS WITH ENERGY STORAGE FEATURES
    Publication number: 20230347215
    Abstract: Embodiments of a golf club head with a plurality of energy storage features are presented herein. In some embodiments, a golf club head comprises a body comprising a strike face, a heel region, a toe region opposite the heel region, a sole, a crown, an S-shaped channel, a chamfer spanning between a strike face and the crown, and an internal radius transition feature from the strike face to at least one of the sole or the crown.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Inventors: Cory S. Bacon, Eric J. Morales, Ryan M. Stokke, Calvin S. Wang, Xiaojian Chen, Travis D. Milleman, Martin R. Jertson
  • Golf club heads with energy storage features
    Patent number: 11697051
    Abstract: Embodiments of a golf club head with a plurality of energy storage features are presented herein. In some embodiments, a golf club head comprises a body comprising a strike face, a heel region, a toe region opposite the heel region, a sole, a crown, a channel, a chamfer spanning between a strike face and the crown, and an internal radius transition feature from the strike face to at least one of the sole or the crown.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: July 11, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Cory S. Bacon, Eric J. Morales, Ryan M. Stokke, Calvin S. Wang, Xiaojian Chen, Travis D. Milleman, Martin R. Jertson
  • GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS
    Publication number: 20230158372
    Abstract: A golf club head including a club face defined by a toe end, a heel end, a top rail and a sole. The golf club head including a plurality of grooves disposed on the club face between the top rail and the sole. Each groove extends between the toe end and the heel end. Depths of the grooves vary in a direction extending between the top rail and the sole and in a direction extending between the heel end and the toe end. Widths of each of the plurality of grooves vary in a direction extending between the heel end and the toe end.
    Type: Application
    Filed: January 24, 2023
    Publication date: May 25, 2023
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Golf club head with open back cavity
    Patent number: 11648445
    Abstract: Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, a top rail and an inflection point. The inflection point provides increase bending of the strikeface thereby providing performance enhancement over clubs without an inflection point.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: May 16, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, Ryan M. Stokke, Martin R. Jertson
  • GOLF CLUB HEADS WITH INTERNAL UNDERCUTS
    Publication number: 20230023428
    Abstract: Described herein is a hollow body iron-type golf club head having a sole and ballast configured to relieve stress within a forward portion of the sole. In a first configuration, the golf club head comprises a ballast undercut for relieving stress. In other configurations, the ballast undercut is combined with additional stress relief features, such as a cascading sole near the face sole juncture, for further reductions to face thickness.
    Type: Application
    Filed: October 4, 2022
    Publication date: January 26, 2023
    Inventors: Calvin S. Wang, Alex G. Woodward, Eric J. Morales
  • Grooves of golf club heads and methods to manufacture grooves of golf club heads
    Patent number: 11559726
    Abstract: A golf club head including a club face defined by a toe end, a heel end, a top rail and a sole. The golf club head including a plurality of grooves disposed on the club face between the top rail and the sole. Each groove extends between the toe end and the heel end. Depths of the grooves vary in a direction extending between the top rail and the sole and in a direction extending between the heel end and the toe end. Widths of each of the plurality of grooves vary in a direction extending between the heel end and the toe end.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: January 24, 2023
    Assignee: Karsten Manufacturing Company
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Golf club head
    Patent number: D973800
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: December 27, 2022
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, David A. Higdon, Anthony D. Serrano
  • Golf club head
    Patent number: D973801
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: December 27, 2022
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, David A. Higdon, Anthony D. Serrano
  • Golf club head
    Patent number: D974508
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 3, 2023
    Assignee: KARSTEN MANUFACTURING CORPORATION
    Inventors: Calvin S. Wang, David A. Higdon
  • Golf club head
    Patent number: D974509
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: January 3, 2023
    Assignee: KARSTEN MANUFACTURING CORPORATION
    Inventors: Calvin S. Wang, David A. Higdon, Murphy R. Alexander, Anthony D. Serrano
  • Golf club head
    Patent number: D974510
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: January 3, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, David A. Higdon, Anthony D. Serrano
  • Golf club head
    Patent number: D975221
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 10, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, David A. Higdon
  • Golf club head
    Patent number: D979680
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: February 28, 2023
    Assignee: Karsten Manufacturing Association
    Inventors: Calvin S. Wang, David A. Higdon
  • Golf club head
    Patent number: D982109
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: March 28, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, David A. Higdon, Murphy R. Alexander
  • Golf club head
    Patent number: D1001219
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: October 10, 2023
    Assignee: KARSTEN MANUFACTURING CORPORATION
    Inventors: Calvin S. Wang, David A. Higdon, Anthony D. Serrano
  • Grooves of golf club heads and methods to manufacture grooves of golf club heads
    Patent number: RE49856
    Abstract: A golf club head including a club face defined by a toe end, a heel end, a top rail and a sole. The golf club head including a plurality of grooves disposed on the club face between the top rail and the sole. Each groove extends between the toe end and the heel end. Depths of the grooves vary in a direction extending between the top rail and the sole and in a direction extending between the heel end and the toe end. Widths of each of the plurality of grooves vary in a direction extending between the heel end and the toe end.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: March 5, 2024
    Assignee: Karsten Manufacturing Corporation
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Grooves of golf club heads and methods to manufacture grooves of golf club heads
    Patent number: RE49857
    Abstract: Embodiments of grooves of golf club heads and methods to manufacture grooves of golf club heads are generally described herein. Other embodiments may be described and claimed.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: March 5, 2024
    Assignee: Karsten Manufacturing Corporation
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Golf club head
    Patent number: D1028146
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: May 21, 2024
    Assignee: Karsten Manufacturing Corporation
    Inventors: Matthew T. Schier, Ryan H. Davis, Calvin S. Wang