Liquid purification or separation – With movable support – Float
Reexamination Certificate
2005-01-04
2005-01-04
Hruskoci, Peter A. (Department: 1724)
Liquid purification or separation
With movable support
Float
C137S546000, C137S571000, C210S170050, C210S201000, C210S219000, C210S257100, C210S258000, C210S523000, C232S043300
Reexamination Certificate
active
06837994
ABSTRACT:
The special features of the water treatment apparatus in the present invention are that a tank fitted with a raw water inlet and a treated water outlet on the upper part, has within said tank an upper chamber and lower chamber which divide said tank into two sections, upper and lower, and is fitted with a separating wall which can be raised and lowered to adjust the water level in said upper and lower chamber, the upper chamber above said separating wall and the lower chamber below said separating wall both being filled with water. By use of this apparatus, a novel water treatment apparatus is provided which can be extremely easily assembled into a water treatment facility.
REFERENCES:
patent: 3572506 (1971-03-01), Bandy et al.
patent: 3653395 (1972-04-01), Chapman
patent: 3701428 (1972-10-01), Lesh
patent: 3813704 (1974-06-01), Troiano
patent: 4909932 (1990-03-01), Monnet
patent: 5785865 (1998-07-01), Salis
patent: 6368498 (2002-04-01), Guilmette
patent: 6451206 (2002-09-01), Charbonneau
Duane Morris LLP
Hruskoci Peter A.
Izawa Yoshinobu
Yamazaki Akehiko
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