Patents by Inventor Marcus Johannes Petrus Gerardus Den Hartog

Marcus Johannes Petrus Gerardus Den Hartog 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: 6192918
    Abstract: The pressure vessel (1) forming the fuel tank has an opening (22) with a flange (3) to accept a flanged accessories plate (4) as a lid. A plate has a fuel outlet (12), a fuel return (13), a blow-off safety valve (15) and a filling line. A fuel pump (11) is suspended off the plate with electrical connections (16) to drive the pump. The pump is suspended from the plate by exchangeable spacer device (10). It ensures that the bottom of the pump is near the base of the fuel tank.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: February 27, 2001
    Assignee: Vialle Beheer B.V.
    Inventors: Servatius Alfons Maria Jaasma, Marcus Johannes Petrus Gerardus Den Hartog
  • Patent number: 6168136
    Abstract: Gas valve (1) to be arranged in an intake port (2) of a combustion engine. In order to be able to give the valve different flow characteristics in a simple manner, the valve (1) comprises two plates (8, 24) disposed parallel to one another, between which the valve body (9) is arranged with clearance, which valve body (9) can shut off a discharge opening (11). By varying the degree of clearance, the amount of gas passing through the valve (1) can be varied. This variation in the valve lift can be achieved by adapting the height of an adjusting ring (5).
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: January 2, 2001
    Assignee: Vialle Beheer B.V.
    Inventors: Servatius Alfons Maria Jaasma, Marcus Johannes Petrus Gerardus Den Hartog