Patents by Inventor Evelyn E. K. Kemsley

Evelyn E. K. Kemsley 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).

  • Optical probe heads
    Patent number: 5440126
    Abstract: Apparatus for use in optical spectroscopy comprises an input fiber (21) for launching by way of a collimating lens (22) radiation towards a chamfered input surface (23) of a probe head (24) of sapphire and having at least five surfaces (25-29) exposable to a sample under test and a chamfered exit surface 30 positioned to direct the radiation towards a further lens (31) and an output fiber (32).
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: August 8, 1995
    Assignee: British Technology Group Ltd.
    Inventor: Evelyn E. K. Kemsley