Patents by Inventor Richard E. Hudrlik

Richard E. Hudrlik 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).

  • Spray gun safety sensor
    Patent number: 4162042
    Abstract: Apparatus for connecting to a paint or liquid spray gun, including an electronic sensor element in close proximity to the spray tip with an electronic circuit for generating an electric drive signal for energizing and deenergizing a solenoid which is mechanically coupled to trigger disabling relation to the spray gun actuating trigger.
    Type: Grant
    Filed: May 27, 1977
    Date of Patent: July 24, 1979
    Assignee: Graco Inc.
    Inventors: Gordon V. Mommsen, Dale R. Hemming, Richard E. Hudrlik