Patents by Inventor Christiaan van den Berg

Christiaan van den Berg 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: 4531813
    Abstract: An overhead viewing mirror apparatus for bedridden and paralyzed persons, comprising a vertically adjustable mount to which mirrors are attached, whereina center mirror is provided which has a mirror surface on either side thereof and which is adapted to be pivoted from a vertical starting position over an angle of up to 30.degree. to either side about an axis or shaft;one lateral mirror is each mounted on both sides of the center mirror in a position angularly inclined relative to the latter; andthe whole mirror assembly is rotatable about a vertical axis or shaft.
    Type: Grant
    Filed: January 18, 1983
    Date of Patent: July 30, 1985
    Assignee: Wopex V.O.F.
    Inventor: Christiaan Van den Berg
  • Patent number: 3966049
    Abstract: The subject apparatus includes an egg receiver, an egg weighing device having an egg carrier, a conveyor belt for transporting a weighed egg, an ejector for ejecting weighed eggs from the conveyor and a collector of the weighed eggs. The improvement has an electronic weighing device having a vertically moveable lifting frame with a receiver cooperating with the egg-carrier. The lifting frame includes an interconnected lifting arm synchronously moveable with a conveyor horizontally moveable to and fro and a linking element along the collector having a vacuum control suction cup controlled by a pair of bellows cooperating synchronously with the egg carrier to receive an egg.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: June 29, 1976
    Assignee: Big Dutchman (International) A.G.
    Inventor: Christiaan van den Berg