Patents by Inventor Max L. Fairaizl

Max L. Fairaizl 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).

  • Patent number: 4023234
    Abstract: A suction cleaner nozzle has main and edge cleaning secondary nozzle openings oriented at right angles to one another. An auxiliary passage connects the secondary nozzle with a zone of high suction in the suction source for the main nozzle. Valve means in the auxiliary passage may be moved selectively to open or closed position. A clean-out door is provided for the auxiliary passage.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: May 17, 1977
    Assignee: Health-Mor, Inc.
    Inventors: Eugene F. Martinec, Max L. Fairaizl