Patents by Inventor Alan E. Davey

Alan E. Davey 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).

  • Pipe inspection apparatus
    Patent number: 4246604
    Abstract: A television camera, scanner and amplifier all in water proof housings which are close to one another and in tandem. The camera has illuminating lamps coupled to it arranged to illuminate a space forwardly of the lens. An elongate television cable couples the scanner to a television readout screen. The housings are arranged so that they can be moved through a bend or a tee of a standard four inch salt-glazed sewer pipe.
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: January 20, 1981
    Inventors: Hans W. Hundertmark, Alan E. Davey