Patents by Inventor Henry Bendel

Henry Bendel 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).

  • Gravity filtering equipment
    Patent number: 3984326
    Abstract: A gravity filtering equipment comprising a basin partitioned into a plurality of compartments each having a permeable bottom covered by a filtering bed and a device for flushing such filtering beds. This device comprises a bell adaptable fluid-tightly onto the upper edges of each compartment in turn and provided with a pump for sucking up filtered water, from a collecting chamber provided underneath the permeable bottom of each such compartment, through its filtering bed.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: October 5, 1976
    Assignee: Pista S.A.
    Inventor: Henry Bendel