Patents by Inventor James A. Hackenberg

James A. Hackenberg 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).

  • Spherical Impact Putter-Face System
    Publication number: 20130331197
    Abstract: Generally, a putter head for a golf club having at least one spherical face. Specifically, a putter head having a pair of spherical impact faces disposed in outwardly curved relation a distance apart by a top plate and a sole plate disposed in opposed relation to define the outer boundary of each of the spherical impact faces with the top plate further including a sight to aim the putter head.
    Type: Application
    Filed: June 7, 2013
    Publication date: December 12, 2013
    Inventor: James A. Hackenberg
  • Swing trainer
    Patent number: 8360896
    Abstract: A sports activity swing trainer having a concave curved surface area on which a person stands to practice a swing for a sports activity.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: January 29, 2013
    Assignee: Jimmy Hack Golf, LLC
    Inventor: James A. Hackenberg
  • Swing Trainer
    Publication number: 20120178552
    Abstract: A sports activity swing trainer having a concave curved surface area on which a person stands to practice a swing for a sports activity.
    Type: Application
    Filed: March 21, 2012
    Publication date: July 12, 2012
    Inventor: James A. Hackenberg
  • Sports activity swing trainer
    Patent number: 8142305
    Abstract: A sports activity swing trainer having a concave curved surface area on which a person stands to practice a swing for a sports activity.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: March 27, 2012
    Assignee: Jimmy Hack Golf, LLC
    Inventor: James A. Hackenberg
  • SPORTS ACTIVITY SWING TRAINER
    Publication number: 20120052976
    Abstract: A sports activity swing trainer having a concave curved surface area on which a person stands to practice a swing for a sports activity.
    Type: Application
    Filed: August 30, 2010
    Publication date: March 1, 2012
    Inventor: James A. Hackenberg
  • Golf swing trainer having balanced center of mass
    Patent number: 7785211
    Abstract: A golf swing trainer providing a resiliently flexible shaft having a first shaft end coupled to a swing element and a second shaft end coupled to a grip having a tapered external surface gripably received by the hands.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: August 31, 2010
    Inventor: James A. Hackenberg
  • Golf swing trainer having balanced center of mass
    Publication number: 20090082124
    Abstract: A golf swing trainer providing a resiliently flexible shaft having a first shaft end coupled to a swing element and a second shaft end coupled to a grip having a tapered external surface gripably received by the hands.
    Type: Application
    Filed: September 26, 2007
    Publication date: March 26, 2009
    Inventor: James A. Hackenberg
  • Club head
    Patent number: D1062950
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: February 18, 2025
    Assignee: Hack IP LLC
    Inventor: James A. Hackenberg