Patents by Inventor John E. McCall

John E. McCall 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).

  • Process of dispensing a solid cast block of water soluble detergent
    Patent number: 5310430
    Abstract: A solid cast block of water soluble detergent is dispensed by obtaining a solid detergent article of at least twenty liters cast onto a longitudinally extending structural core and placing the article within the spray chamber of a dispenser such that the article is supported on the structural core. The detergent article is then rotated upon the structural core while dissolving solvent is sprayed upon the rotating article. The resulting detergent solution is dispensed to an end use point.
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: May 10, 1994
    Assignee: Ecolab Inc.
    Inventor: John E. McCall, Jr.