Patents Examined by Matthew D. Savage
  • Patent number: 4976852
    Abstract: A fuel filter assembly employs a base which mounts a disposable filter element cartridge and includes a sump for collecting water removed from the filtering unit. The cartridge includes a dual stage filter system wherein fuel flows axially to an upper filter element for removing particulate matter and coalescing water droplets and axially to a secondary filter stage which functions as a water barrier. The filtered fule flows axially downwardly and through an outlet passage from the base. The water collected in the sump is removed through a drain cock.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: December 11, 1990
    Assignee: Stanadyne Automotive Corp.
    Inventors: Leon P. Janik, M. Craig Maxwell
  • Patent number: 4874510
    Abstract: A fuel tank filter comprises a sack-like filter net member having one portion fitted on and closely fastened to a mounting member mounted on an end of a suction pipe. A shape retaining means is disposed in the net member.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: October 17, 1989
    Assignee: Nifco Inc.
    Inventors: Mizusawa Akira, Kazumasa Kurihara