Patents by Inventor Frits Nicolaas Johannes Jacobus Greter

Frits Nicolaas Johannes Jacobus Greter 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).

  • Filter cartridge and an assembly of a filter housing and at least one such filter cartridge
    Patent number: 7445711
    Abstract: The invention relates to an assembly with a filter housing and at least one filter cartridge. The at least one filter cartridge is tubular, has a tube wall provided with a filter and comprises a central discharge channel with a discharge connection for discharge of filtered medium. The tube wall has a filter through which the medium to be filtered is able to flow transversely to the tube wall. The filter housing has a filter chamber, surrounded by a side wall, in which the at least one filter cartridge is accommodated with the longitudinal direction parallel to the side wall. The invention furthermore is directed to a filter cartridge intended for such an assembly.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: November 4, 2008
    Assignee: Indufil B.V.
    Inventors: Peter Alexander Josefus Pas, Frits Nicolaas Johannes Jacobus Greter