Patents by Inventor Bertrand Japikse

Bertrand Japikse 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).

  • Fluid filter with submerged passages
    Patent number: 4010014
    Abstract: A fluid filter construction comprises a mass of filtering material, such as activated charcoal, in which fluid flow passage forming members are embedded. The filtering material itself serves as the means for sealing the filter against leakage of unfiltered fluid into or out of the filter and against bypassing from the inlet to the outlet side of the filter.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: March 1, 1977
    Assignee: Barnebey-Cheney Co.
    Inventors: Herbert L. Barnebey, Bertrand Japikse