Patents by Inventor Claude H. Hills

Claude H. Hills 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 for removing off-flavor from maple sirup
    Patent number: 4006032
    Abstract: Off-flavor in maple sirup made from buddy sap or from good sap contaminated with buddy sap is removed by passing the sirup through a bed or column of ion exchange resin.
    Type: Grant
    Filed: January 30, 1976
    Date of Patent: February 1, 1977
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: Claude H. Hills