Patents by Inventor Stephen G. Collyer

Stephen G. Collyer 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).

  • Steam injection process
    Patent number: 4752487
    Abstract: Automatic control for achieving a required temperature of a food product feed stock being heated with steam injection is effected by calculating with at least one computer the required steam flow rate from the measured feed stock temperature, the measured feed stock flow rate, and the measured and required temperature of the feed stock product after steam injection and by controlling the quantity of steam supplied in relation to the deviation between the measured and the required steam flow rates and by controlling the feed stock flow rate in relation to the deviation between the measured and the required feed stock flow rates.
    Type: Grant
    Filed: October 24, 1986
    Date of Patent: June 21, 1988
    Assignee: Nestec S.A.
    Inventors: Stephen G. Collyer, Albert C. Hersom