Patents by Inventor John K. Krapp

John K. Krapp 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 removal tool
    Patent number: 6449823
    Abstract: A tool is provided for operating on golf clubs to separate the clubhead from the shaft. A cylindrical housing is provided open at both ends. A coil spring is deployed within the housing. A piston sleeve also is deployed within the housing and against the spring. The golf club shaft is received through the piston sleeve and coil spring and secured as by a vise. When the golf club is heated in the area of the hosel, the coil spring is released, causing the piston sleeve to push against the clubhead, separating the same from the shaft.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: September 17, 2002
    Inventor: John K. Krapp
  • Golf club head removal tool
    Publication number: 20010047577
    Abstract: A tool is provided for operating on golf clubs to separate the clubhead from the shaft. A cylindrical housing is provided open at both ends. A coil spring is deployed within the housing. A piston sleeve also is deployed within the housing and against the spring. The golf club shaft is received through the piston sleeve and coil spring and secured as by a vise. When the golf club is heated in the area of the hosel, the coil spring is released, causing the piston sleeve to push against the clubhead, separating the same from the shaft.
    Type: Application
    Filed: November 30, 2000
    Publication date: December 6, 2001
    Inventor: John K. Krapp