Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Reexamination Certificate
2005-05-03
2005-05-03
Popovics, Robert James (Department: 1724)
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Filter cleaning
C210S108000, C210S238000, C210S411000, C210S413000, C210S415000, C210S470000
Reexamination Certificate
active
06887372
ABSTRACT:
A drilling water filter (1) with a self-cleaning system including a filter container (2), a cover (3) and a filter element (6) that can be inserted in the flow arm between an inlet (4) and an outlet (5) for separation of solid material from the fluid. The cover (3) has a displaceable carrying handle (7) for transporting the drilling water filter. The carrying handle (7) is connected with at least one self-cleaning means, in a controlled manner.
REFERENCES:
patent: 663361 (1900-12-01), Phelan
patent: 1097415 (1914-05-01), Foss
patent: 1377684 (1921-05-01), Hollands
patent: 2731155 (1956-01-01), James
patent: 3680706 (1972-08-01), Baer et al.
patent: 3849312 (1974-11-01), Wecker, Sr.
patent: 4042504 (1977-08-01), Drori
patent: 4207631 (1980-06-01), Baggey
patent: 4669167 (1987-06-01), Asterlin
patent: 5820753 (1998-10-01), Mayer
patent: 5897787 (1999-04-01), Keller
patent: 6007714 (1999-12-01), Keith
patent: 6180017 (2001-01-01), Usher
patent: 9723798 (1998-12-01), None
patent: 0110244 (2002-04-01), None
Ostermeier Peter
Streicher Harald
Wenzl Franz
Hilti Aktiengesellschaft
Popovics Robert James
Sidley Austin Brown & Wood LLP
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