Patents by Inventor Pieter Aart Polderman

Pieter Aart Polderman 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: 4054199
    Abstract: Device for single-lining a plurality of disorderly advanced containers, comprising a number of parallel adjacent conveyors of which a first set serve to advance the containers against an inclined ramp so as to push the containers upon a second set of conveyors moving at an increased speed rate.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: October 18, 1977
    Assignee: Stork Amsterdam B.V.
    Inventor: Pieter Aart Polderman