Patents Represented by Law Firm Price, Heneveld, Cooner, Dewitt and Litton
  • Ion mobility spectrometers
    Patent number: 5952652
    Abstract: An ion mobility spectrometer includes a spectrometer housing (10) and, within the housing, an ion mobility spectrometer cell (12), a volume of vapour absorbent material (30), and a fan (38) for inducing a flow of recirculating cleaning air through the cell (12) and the absorbent material (30). The vapour absorbent material is held in close proximity with the cell, providing the possibility of constructing a miniature instrument without the need for any external air supply.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: September 14, 1999
    Assignee: Graseby Dynamics Limited
    Inventors: Stephen J. Taylor, Robert B. Turner