Patents by Inventor John Royce

John Royce 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).

  • Method and apparatus for cleaning a filter
    Patent number: 9561459
    Abstract: A filter cleaning device includes a cleaning chamber operable to receive a gas filter to be cleaned, the cleaning chamber having an inlet through which a gas flow can be admitted and an outlet for gas flow leaving the cleaning chamber, the inlet and outlet being arranged such that the airflow is forced to pass through at least a part of the filter when inserted, the filter cleaning device further comprising a mechanical agitation arrangement operable, in one mode of operation, to generate a linear oscillation along an axis of the filter when inserted and, in another mode of operation, to rotate the filter about an axis of rotation.
    Type: Grant
    Filed: October 3, 2012
    Date of Patent: February 7, 2017
    Inventors: John Royce, John Cannon
  • METHOD AND APPARATUS FOR CLEANING A FILTER
    Publication number: 20140251387
    Abstract: A filter cleaning device includes a cleaning chamber operable to receive a gas filter to be cleaned, the cleaning chamber having an inlet through which a gas flow can be admitted and an outlet for gas flow leaving the cleaning chamber, the inlet and outlet being arranged such that the airflow is forced to pass through at least a part of the filter when inserted, the filter cleaning device further comprising a mechanical agitation arrangement operable, in one mode of operation, to generate a linear oscillation along an axis of the filter when inserted and, in another mode of operation, to rotate the filter about an axis of rotation.
    Type: Application
    Filed: October 3, 2012
    Publication date: September 11, 2014
    Inventors: John Royce, John Cannon, Roger Turner