Patents by Inventor Joiin E. Harry

Joiin E. Harry 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).

  • Autoselective regenerating particulate filter
    Patent number: 6660068
    Abstract: An apparatus for removing particulates from a gas stream is described comprising a filter (1) through which gas may be caused to flow, at least one first electrode (15) for producing an atmospheric glow discharge located near to but spaced apart from the filter, and at least one second counter electrode (19), the electrodes being connected to an AC voltage supply generating an AC voltage in a frequency within the range of 1 kHz to 200 kHz. A method of removal of particulates from a gas stream comprising causing the gas to flow through such an apparatus is also described.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: December 9, 2003
    Assignee: Perkins Engines Company Limited
    Inventors: Colin P. Garner, Joiin E. Harry