Patents by Inventor Russell Doyle

Russell Doyle 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).

  • Carwash door
    Patent number: 4342355
    Abstract: A door through which vehicles can pass and which is foldable and flexible and which is particularly suited for carwashes. The door is suspended from a track by rollers movable along the track, and is opened by actuating a pneumatic cylinder, and closed by means of a counterweight. The door preferably comprises two flaps which are sealed where they meet in the middle of the doorway by means of hook and loop strip release fasteners. A wand or other vehicle sensor may be provided for actuation of the pneumatic cylinder.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: August 3, 1982
    Inventors: Martin Geller, Russell Doyle