Patents by Inventor Alan Townshend

Alan Townshend 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).

  • Detection of sulphur containing compounds
    Patent number: 5759861
    Abstract: A method is taught for the detection of organosulfur compounds relating to bis-(2-chloroethyl)- sulphide. The detection can be achieved at trace levels or above and is particularly important in the field of environmental, biological and medical analysis.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: June 2, 1998
    Assignee: Secretary of State for Defence in her Britannic Majesty's Government of the U.K. of Gt. Britain & Northern Ireland of Defence Evaluation & Research Agency
    Inventors: Tony John Christie, Alan Townshend, Andrew Nicholas Trethewey
  • Molecular cavity analysis-filter cavity
    Patent number: 3981585
    Abstract: Apparatus is disclosed for pre-treating and spectrally analyzing a sample of matter, including a structure for promoting reaction of an analyte to produce characteristic effects of the analyte measurable by an optical analysis device. The structure defines a sheltered region for containing the analyte, a support surface within the region for supporting a filtering medium, an exposure path for exposing the analyte to an energy source and an optical path leading out of the sheltered region along which radiation characteristic of a property of the analyte proceeds to the optical analysis device.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: September 21, 1976
    Assignee: Anacon, Inc.
    Inventors: Ronald Belcher, Alan Townshend, Stanley L. Bogdanski