Patents by Inventor John Bann

John Bann 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).

  • Particulate detector
    Publication number: 20070040694
    Abstract: An apparatus and method are provided for detecting presence in gas of transient particulate above its normal zero or acceptable level within a duct (4), said apparatus comprising at least one emitter (2) of illumination selected from infra-red, ultraviolet and visible radiation capable of being projected over essentially the entire cross section of the duct (4) and at least one detector (8, 18, 25) for detecting any sparkle of the illumination from the particulate. The apparatus and method are in particular useful for detecting monitoring particulate in areas where build up or presence of particulate can be disadvantageous, for example hospitals and electricity generating stations.
    Type: Application
    Filed: September 28, 2004
    Publication date: February 22, 2007
    Applicant: Unidata Europe Limited
    Inventors: Leonard Fredrick Williams, John Bann, Nigel Harris, Jeremy Siddons
  • Particulate detector
    Publication number: 20050259255
    Abstract: An apparatus and method are provided for detecting presence in gas of transient particulate above its normal zero or acceptable level within a duct (4), said apparatus comprising at least one emitter (2) of illumination selected from infra-red, ultraviolet and visible radiation capable of being projected over essentially the entire cross section of the duct (4) and at least one detector (8, 18, 25) for detecting any sparkle of the illumination from the particulate. The apparatus and method are in particular useful for detecting monitoring particulate in areas where build up or presence of particulate can be disadvantageous, for example hospitals and electricity generating stations.
    Type: Application
    Filed: October 4, 2004
    Publication date: November 24, 2005
    Inventors: Leonard Williams, John Bann, Nigel Harris, Jeremy Siddons