Patents by Inventor James U. R. Fernando

James U. R. Fernando 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: 4306893
    Abstract: A bag filter arrangement having a cleaning system that exhausts a reverse pulse of compressed air through the bags thereof to remove collected dust particles from the surface of the bags. The arrangement is directed to a special cooperation of interlocking elements that positively align the several elements thereof in order that maximum dust removal is effected.
    Type: Grant
    Filed: October 28, 1980
    Date of Patent: December 22, 1981
    Assignee: The Air Preheater Company, Inc.
    Inventors: James U. R. Fernando, Gary C. Goetschius, Kent E. Ritter
  • Patent number: 4283208
    Abstract: A cleaning arrangement for a bag filter that shakes the bags horizontally to effect removal of the dust particles that have collected on the surface thereof. A linear force electromagnetic motor is used to impart the horizontal movement to the bags whereby the frequency, amplitude and the duration of movement may be electronically controlled.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: August 11, 1981
    Assignee: The Air Preheater Company, Inc.
    Inventor: James U. R. Fernando