Patents by Inventor John K. Blundell

John K. Blundell 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).

  • Electrochemical detection of growth of micro-organisms
    Patent number: 5300428
    Abstract: A detection system for anaerobic micro-organisms involves the addition to a nutrient medium for the micro-organisms of an indicator species which is electrochemically reducible, soluble in the nutrient medium and consumed by the micro-organisms during growth. Two electrodes are immersed in the nutrient medium and changes in an electrical property of the nutrient medium are monitored. A preferred indicator species is riboflavin.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: April 5, 1994
    Assignee: CMB Packaging (UK) Limited
    Inventors: Martin R. Ackland, John K. Blundell, William M. Hedges, James F. Walpole