Patents by Inventor James J. McNicholas

James J. McNicholas 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: 4468234
    Abstract: A centrifugal separator cleans a stream of fluid by passing the same through a rapidly rotating tapered duct. Rotation of the duct creates centrifugal force which causes pollutants carried by the stream to collect on a duct wall and to flow along the wall in a direction opposite to the direction of flow of the fluid through the duct.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: August 28, 1984
    Assignee: MGI International, Inc.
    Inventor: James J. McNicholas
  • Patent number: 4375975
    Abstract: A centrifugal separator cleans a stream of fluid by passing the same through a rapidly rotating tapered duct. Rotation of the duct creates centrifugal force which causes pollutants carried by the stream to collect on a duct wall and to flow along the wall in a direction opposite to the direction of flow of the fluid through the duct.
    Type: Grant
    Filed: June 4, 1980
    Date of Patent: March 8, 1983
    Assignee: MGI International Inc.
    Inventor: James J. McNicholas