Patents by Inventor Jan W. den Daas

Jan W. den Daas 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 an apparatus for mechanized setting out and harvesting of chicory
    Patent number: 4879840
    Abstract: The invention relates to a completely mechanized method for raising and harvesting chicory and similar crops raised in sprouting trays. Thereby roots held in supply are fixed in rows in or at roots containers, formed by stitching pins, stick on combs or rows of cups, said roots containers with roots being positioned into or on sprouting trays for raising of chicory heads of similar crops. After raising the containers are taken out of the sprouting trays and are conveyed to a harvesting station, where the raised chicory heads or similar crops are separated from the roots.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: November 14, 1989
    Assignee: Kwekerij de Bollard B.V.
    Inventor: Jan W. den Daas