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).

  • Patent number: 11083938
    Abstract: Embodiments of grooves and face inserts of golf club heads and methods to manufacture grooves and face inserts of golf club heads are generally described herein. Other embodiments may be described and claimed.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: August 10, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, Xiaojian Chen, David A. Higdon, Les J. Bryant, Martin R. Jertson, Anthony D. Serrano, John A. Solheim
  • Publication number: 20210228947
    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: April 9, 2021
    Publication date: July 29, 2021
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Publication number: 20210228948
    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: Application
    Filed: April 9, 2021
    Publication date: July 29, 2021
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Publication number: 20210138322
    Abstract: Putter type club head with vertical groove patterns are described herein. A putter type club head comprises a putter face having a plurality of first curved grooves and a plurality of second curved grooves. The first curved grooves and the second curved grooves extend in a general vertical direction, and intersect each other at a plurality of points across the putter face. The width and depth of the first curved grooves and the second curved grooves can vary across the putter face in a direction extending from a heel end to a toe end, and/or in a direction extending from a top rail to a sole. The vertical groove pattern provides consistent ball speed performance for any impact location on the putter face.
    Type: Application
    Filed: December 18, 2020
    Publication date: May 13, 2021
    Inventors: Calvin S. Wang, Xiaojian Chen, David A. Higdon, Les J. Bryant, Martin R. Jertson, Anthony D. Serrano, John A. Solheim
  • Patent number: 10994176
    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: July 26, 2019
    Date of Patent: May 4, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Patent number: 10974103
    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: December 21, 2018
    Date of Patent: April 13, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Patent number: 10974104
    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: September 27, 2019
    Date of Patent: April 13, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Anthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
  • Publication number: 20200171362
    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: February 6, 2020
    Publication date: June 4, 2020
    Inventors: Calvin S. Wang, Ryan M. Stokke, Martin R. Jertson
  • Publication number: 20200147461
    Abstract: Embodiments of grooves and face inserts of golf club heads and methods to manufacture grooves and face inserts of golf club heads are generally described herein. Other embodiments may be described and claimed.
    Type: Application
    Filed: January 21, 2020
    Publication date: May 14, 2020
    Inventors: Calvin S. Wang, Xiaojian Chen, David A. Higdon, Les J. Bryant, Martin R. Jertson, Anthony D. Serrano
  • Patent number: D874590
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: February 4, 2020
    Assignee: Karsten Manufacturing Corporation
    Inventors: Daniel K. Lee, Calvin S. Wang, Xiaojian Chen
  • Patent number: D874591
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: February 4, 2020
    Assignee: Karsten Manufacturing Corporation
    Inventors: Daniel K. Lee, Calvin S. Wang, Xiaojian Chen
  • Patent number: D895039
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: September 1, 2020
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, Ryan M. Stokke, Xiaojian Chen, Daniel K. Lee
  • Patent number: D912177
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: March 2, 2021
    Assignee: KARSTEN MANUFACTURING CORPORATION
    Inventors: Evan Greer, Anthony D. Serrano, Calvin S. Wang, David A. Higdon, Xiaojian Chen
  • Patent number: D917644
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: April 27, 2021
    Assignee: KARSTEN MANUFACTURING CORPORATION
    Inventors: Calvin S. Wang, David A. Higdon, Murphy R. Alexander
  • Patent number: D921141
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: June 1, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, David A. Higdon, John A. Solheim
  • Patent number: D929515
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: August 31, 2021
    Assignee: KARSTEN MANUFACTURING CORPORATION
    Inventors: Calvin S. Wang, Anthony D. Serrano, David A. Higdon
  • Patent number: D929516
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: August 31, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, Anthony D. Serrano, David A. Higdon
  • Patent number: D930095
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: September 7, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, David A. Higdon, Anthony D. Serrano
  • Patent number: D930096
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: September 7, 2021
    Assignee: KARSTEN MANUFACTURING CORPORATION
    Inventors: David A. Higdon, Calvin S. Wang
  • Patent number: D930097
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: September 7, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: Calvin S. Wang, David A. Higdon, Murphy R. Alexander