Patents by Inventor John L. Etchells

John L. Etchells 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).

  • Controlled fermentation acidity of brined cucumbers
    Patent number: 3993784
    Abstract: In the salting of vegetables, such as cucumbers, control of fermentation using brine acidity as the monitor and continually and rapidly determining brine acidity with tris(hydroxymethyl)aminomethane as a standard.
    Type: Grant
    Filed: May 11, 1972
    Date of Patent: November 23, 1976
    Assignee: The United States of America as represented by the Department of Agriculture
    Inventors: Thomas A. Bell, John L. Etchells, Raymond E. Kelling, James L. Olsen
  • Controlled bulk vegetable fermentation
    Patent number: 3932674
    Abstract: Bulk fermentation of brined vegetables comprising controlled sanitizing, acidifying, buffering, and inoculating while continually purging CO.sub.2 from the fermenting vegetable/brine mass.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: January 13, 1976
    Assignee: The United States of America
    Inventors: John L. Etchells, Thomas A. Bell, Henry P. Fleming, Roger L. Thompson