Patents by Inventor Michael B. Pooley

Michael B. Pooley 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).

  • Freezer apparatus
    Patent number: 6038868
    Abstract: Apparatus and methods for freezing products, such as food products, in which a breathable liquid cryogen is sprayed onto the products as they are conveyed into the insulated enclosure of a mechanical conveyor freezer. Some of the cryogen vaporized through contact with the products is ducted into the top of the enclosure, and means may be provided for spraying cryogen directly into the freezer enclosure.
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: March 21, 2000
    Assignee: The BOC Group plc
    Inventors: Michael B. Pooley, Carl N. Strotton, David G. Wardle
  • Separation of gaseous mixtures
    Patent number: 5486226
    Abstract: A nitrogen PSA system uses a back-fill step only on start-up conditions or when a minor fault has caused the plant to temporarily lose purity. The plant utilizes an oxygen analyzer which controls valves allowing the initiation and cancellation of the back-fill step.
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: January 23, 1996
    Assignee: The BOC Group plc
    Inventors: Ian A. Ross, Michael B. Pooley