Patents by Inventor Raymond D. Knaus

Raymond D. Knaus 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).

  • Gasoline pump lever holder
    Patent number: 4690182
    Abstract: This invention relates to a device to hold the lever of a nozzle assembly in a position to open a valve controlling the flow of fuel from the nozzle. The principal application for this device is on the gasoline delivery nozzle assembly at a self-serve gasoline station. The device, in addition to being a convenience for the average user, is an aid to the user who may be physically handicapped or inconvenienced by arthritis or other disabling condition that would otherwise deter him from using the more economical self-serve gasoline pumps.
    Type: Grant
    Filed: March 25, 1986
    Date of Patent: September 1, 1987
    Inventor: Raymond D. Knaus