Patents by Inventor Alexis J. W. van Mulken

Alexis J. W. van Mulken 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).

  • Melamine container and process for unloading same
    Patent number: 4301943
    Abstract: Process and apparatus for unloading melamine powder from a bulk shipping or transporting containers. The apparatus is comprised of a uniquely designed portable hopper or discharge chute provided at its discharge end with a rotary pump that is removably attachable to a tiltable bulk container. The process of unloading the bulk container involves the creating of a particular shaped flow from the bulk container so that bridging and other flow problems associated with flowing melamine powder does not occur.
    Type: Grant
    Filed: May 17, 1979
    Date of Patent: November 24, 1981
    Assignee: Stamicarbon, B.V.
    Inventors: Willem J. Barends, Alexis J. W. van Mulken