Patents by Inventor Jacobus Hendrik De Greef

Jacobus Hendrik De Greef 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).

  • Patent number: 6742647
    Abstract: An apparatus for conveying and/or transferring relatively vulnerable products, such as fruits, wherein the fruits are held in grippers while being conveyed and transferred. The grippers comprise a first gripper portion and a second gripper portion, which are movable over sliding elements substantially in the direction in which the gripping force is exerted on the products.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: June 1, 2004
    Assignee: De Greef's Wagen-, Carrosserie- en Machinebouw B.V.
    Inventor: Jacobus Hendrik De Greef
  • Publication number: 20020041801
    Abstract: The present invention relates to an apparatus for conveying and/or transferring relatively vulnerable products, such as fruits, wherein the fruits are held in grippers while being conveyed and transferred, wherein said grippers comprise a first gripper portion and a second gripper portion, which are movable over sliding elements substantially in the direction in which the gripping force is exerted on the products.
    Type: Application
    Filed: September 13, 2001
    Publication date: April 11, 2002
    Inventor: Jacobus Hendrik De Greef