Patents by Inventor William M. Hofmeister

William M. Hofmeister 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).

  • Method and apparatus for processing leafy vegetables
    Patent number: 5727690
    Abstract: In a processing line for processing a leafy vegetable, particularly lettuce, the leafy vegetable is cut into preselected sized pieces which includes high density cores, hearts, ribs, and veins, and low density desirable cut leaf. A gravity/air separation device is provided to separate the high density undesirable parts of the leafy vegetable from the low density desirable leafy vegetable material.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: March 17, 1998
    Inventor: William M. Hofmeister