Patents by Inventor Franciscus J. De Groot

Franciscus J. De Groot 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).

  • Device for cutting the stalk of a flower or plant
    Patent number: 4944092
    Abstract: Device for cutting the stalk (22) of a flower or a plant, said device comprising two elements (1,2) being movable in respect of each other and being pressed away from each other by a spring (20) and being provided with cavities (9,25,14) which, in the most impressed position of the elements, are forming a bore in which a stalk (22) can be brought. The cavity (14) in said first elemnent (2) is having the shape of a support surface for a stalk (22), a knife (10) being provided in the cavity (9) of said second element (1) with which the stalk laid on the support surface of the first element (2) can be cut when the elements (1,2) are pressed towards each other.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: July 31, 1990
    Assignee: Handelsvennootschap onder de firma Stengelbengel B.V.
    Inventors: Franciscus J. De Groot, Jan W. De Swart, Jan Boerhoop