Patents by Inventor Jeff Gunderson

Jeff Gunderson 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).

  • SHOWER/COMMODE WHEELED CHAIR
    Publication number: 20240091084
    Abstract: A shower/commode wheeled chair adapted to be locatable over a commode, the shower/commode wheeled chair comprising a frame, a seat support portion, a front portion extending downwardly from the seat support portion, a back support, a shower/commode seat, wheels and a footrest coupled to the front portion.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 21, 2024
    Inventors: Jeff Gunderson, Trevor Andrew Bartz, Matthew Haugen, David Schon, Wesley Lee Ovre, Mark Joseph Schmitt, David Paul Scott
  • Automatic control for Pressure Swing Adsorption system
    Patent number: 4725293
    Abstract: A Pressure Swing Adsorption (PSA) system uses a constant cycle time and a control system to essentially automatically and continuously modify air input flow in order to insure that the produced nitrogen contains only a preselected range of an impurity which consists essentially of oxygen and to keep the output flow of nitrogen relatively high.
    Type: Grant
    Filed: November 3, 1986
    Date of Patent: February 16, 1988
    Assignee: The BOC Group, Inc.
    Inventor: Jeff Gunderson