Patents by Inventor Ludovicus H. Baghuis

Ludovicus H. Baghuis 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).

  • Rotary blade machine with blade end sealing
    Patent number: 4599057
    Abstract: A rotary blade machine, for example, a blades pump mainly comprising a rotor having outwardly opening, axial slots, a blade slidably arranged in each slot and a stator surrounding the rotor with the blades and having inlet and outlet ports, wherein in an axial sense the blades project at both ends beyond the rotor into a chamber formed by a re-entrant side wall part of the stator, said chamber accommodating a shut-off body associated with each blade, in order to prevent leakage along the blades, particularly along their side edges.
    Type: Grant
    Filed: October 17, 1984
    Date of Patent: July 8, 1986
    Assignee: Van Mullekom Innovation B.V.
    Inventor: Ludovicus H. Baghuis