Patents by Inventor Johannes Hendrikus Cornelis Marie Bultman

Johannes Hendrikus Cornelis Marie Bultman 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).

  • Liquid pump with degasser and integrated vapor recovery option
    Patent number: 5785501
    Abstract: The invention relates to a pumping device for volatile liquid, comprising a closed pump housing having an intake connected to a supply reservoir and at least one discharge connected to a delivery means. The device further comprises a liquid pump with a liquid inlet drawing into the interior of the pump housing and a pressure outlet connected to the discharge, a gas pump with a gas inlet drawing into the pump housing at a high level and a gas outlet debauching outside the pump housing and wherein the liquid pump is a hydrodynamic pump such as a centrifugal pump.
    Type: Grant
    Filed: September 6, 1995
    Date of Patent: July 28, 1998
    Inventors: Andre Sylvere Joseph Van Coillie, Johannes Hendrikus Cornelis Marie Bultman