Patents by Inventor Geoffrey A Cranch

Geoffrey A Cranch 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).

  • Temperature sensing apparatus
    Patent number: 6527441
    Abstract: Temperature sensing apparatus comprises a source of electromagnetic radiation (1), a wavelength-selective element (3) which interacts with radiation emitted from the source (1) and a detection system (6) which monitors radiation from the wavelength-selective element (3). The wavelength-selective element (3) is fixedly mounted on a substantially rigid substrate (not shown). The apparatus can be used for temperature sensing in aquatic environments.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: March 4, 2003
    Assignee: Qinetiq Limited
    Inventors: Geoffrey A Cranch, Roger Crickmore