Patents by Inventor Richard A. Waszkiewicz

Richard A. Waszkiewicz 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).

  • Powder feed system for flame spray guns
    Patent number: 4540120
    Abstract: A system for assuring a more even powder flow rate in a flame spray gun. A powder metering device entrains powder into a gas. The gas with entrained powder is coupled to the flame spray gun. Vibration means, coupled to the powder and gas conduit, is provided to prevent any powder from settling in the conduit.
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: September 10, 1985
    Assignee: METCO, Inc.
    Inventor: Richard A. Waszkiewicz