Patents by Inventor John A. Ingwersen

John A. Ingwersen 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).

  • Cup holder accessory
    Patent number: 5490653
    Abstract: A cup holder accessory for supporting an over-size drink cup in a standard-size drink cup receptacle, is provided with a base element that cooperates with the standard-size drink cup receptacle, with an over-size drink cup receptacle supported by and rotatable relative to the base element, a cam element positioned within the base element and rotated and projected outside the base element when the over-size drink cup receptacle is rotated relative to the base element, and a fastener element joining the base element, the over-size drink cup receptacle element, and the cam element into a unitary assembly.
    Type: Grant
    Filed: October 20, 1994
    Date of Patent: February 13, 1996
    Inventor: John A. Ingwersen
  • Gun for gas metal arc welding
    Patent number: 5260546
    Abstract: A gas arc metal welding gun has a handle which may be rotated freely with respect to a conduit containing a current transfer wire and a gas tube and with respect to an adapter and tip assembly.
    Type: Grant
    Filed: July 15, 1992
    Date of Patent: November 9, 1993
    Inventors: John A. Ingwersen, Thomas D. Montague, Robert G. Reed
  • Gun for gas metal arc welding
    Patent number: 5132513
    Abstract: A gas arc metal welding gun has a handle which may be rotated freely with respect to a conduit containing a current transfer wire and a gas tube and with respect to an adapter and tip assembly.
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: July 21, 1992
    Inventors: John A. Ingwersen, Thomas D. Montague, Robert G. Reed
  • Welding gun
    Patent number: D334517
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: April 6, 1993
    Inventors: John A. Ingwersen, Thomas L. Montague, Robert G. Reed