Patents by Inventor Ken Kelzer

Ken Kelzer 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).

  • Quick connecting threaded coupler
    Patent number: 6811364
    Abstract: The invention provides a partially threaded shaft and coupler to join two objects quickly. The shaft has alternating threaded and non-threaded surfaces, and the coupler has an internal bore with alternating threaded and non-threaded surfaces. The shaft is inserted into the coupler with the threaded surfaces of the shaft aligned with the non-threaded surfaces of the coupler. The shaft or the coupler is rotated to engage the threaded sides of the shaft with the threaded sides of the coupler.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: November 2, 2004
    Inventor: Ken Kelzer
  • Quick connecting threaded coupler
    Publication number: 20040057811
    Abstract: The invention provides a partially threaded shaft and coupler to join two objects quickly. The shaft has alternating threaded and non-threaded surfaces, and the coupler has an internal bore with alternating threaded and non-threaded surfaces. The shaft is inserted into the coupler with the threaded surfaces of the shaft aligned with the non-threaded surfaces of the coupler. The shaft or the coupler is rotated to engage the threaded sides of the shaft with the threaded sides of the coupler.
    Type: Application
    Filed: September 23, 2002
    Publication date: March 25, 2004
    Inventor: Ken Kelzer