Patents by Inventor Peter A. Leedham

Peter A. Leedham 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).

  • Controlling alcohol fermentations
    Patent number: 4652451
    Abstract: In the initial stages of a fermentation of carbohydrate to form alcohol, the growth of the yeast is controlled by monitoring the pH value of a fermenting liquid or wort and controlling the supply of oxygen to the fermenting liquid or wort in accordance with the pH value. Preferably the temperature of the fermenting liquid is also controlled in dependence upon the pH value of the fermenting liquid or wort.
    Type: Grant
    Filed: March 15, 1983
    Date of Patent: March 24, 1987
    Assignee: Whitbread & Co., Ltd.
    Inventors: Peter A. Leedham, Roy S. Tubb