Patents by Inventor Jacob Hendrik Bouma

Jacob Hendrik Bouma 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).

  • Separator apparatus
    Patent number: 6830735
    Abstract: A cyclone separator apparatus for separating solids from a gas-solid containing feed resulting in a gas-rich stream, the cyclone separator comprising an upright hollow circular housing (1) fluidly connected to a dipleg (8) having at its lower end a flapper valve (14), wherein the dipleg (8) has a lower part (11), which lower part has a diameter which continuously increases from the top (12) of the lower part (11) to the lower end (13) of the dipleg.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: December 14, 2004
    Assignee: Shell Oil Company
    Inventors: Jacob Hendrik Bouma, Hubertus Wilhelmus Albertus Dries