Patents by Inventor Anna H. Orlowska

Anna H. Orlowska 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).

  • Cryogenic cooling apparatus
    Patent number: 5317878
    Abstract: The invention provides a controlled connection, or heat switch, between a source of cryogenic cooling and an item which is to be cooled, using control valve means which is not itself subjected to the cryogenic temperatures involved.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: June 7, 1994
    Assignee: British Technology Group Ltd.
    Inventors: Thomas W. Bradshaw, Anna H. Orlowska