Patents by Inventor Gijsbert Jan Mijnders

Gijsbert Jan Mijnders 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 comprising an adjustable dosing member for spreading distributable material
    Patent number: 4098432
    Abstract: The invention relates to a device for spreading distributable material, more particularly, fertilizer in granular or powdery form, said device comprising a hopper having at least one outlet port and a spreading member connected herewith and a dosing member to be adjusted for defining the passage of each outlet port, a control-mechanism moving the dosing member into a position in which the outlet port is closed or into the adjusted position; the invention has for its object to spread said material accurately and provides screw means operative between the dosing member and the control-mechanism for very sensitive adjustment said dosing member.
    Type: Grant
    Filed: September 24, 1974
    Date of Patent: July 4, 1978
    Assignee: Vicon N.V.
    Inventors: Pieter Adriaan Oosterling, Gijsbert Jan Mijnders