Patents by Inventor Ivan B. Esch

Ivan B. Esch 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).

  • Equipment for sheathing hay bales in plastic
    Patent number: 5822957
    Abstract: Machine for arranging a plurality bales of hay into a compressed, contoured stack to be covered with protective plastic. The machine has top and side pressure plates which engage a stack of bales and compress the stack while convexly contouring the periphery.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: October 20, 1998
    Assignee: Hay Bale, Inc
    Inventor: Ivan B. Esch