Liquid purification or separation – With means to add treating material
Reexamination Certificate
1999-11-23
2001-01-30
Walker, W. L. (Department: 1723)
Liquid purification or separation
With means to add treating material
C210S748080, C422S024000, C340S600000, C250S461100, C250S50400H
Reexamination Certificate
active
06180003
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to apparatus for disinfecting a fluid using ultraviolet radiation.
BACKGROUND OF THE INVENTION
The broad field of water treatment systems includes two classes of equipment. A first class, referred to as point-of entry equipment, treats water before distribution through a community or a building. Point-of-entry equipment typically utilizes microfiltration, chlorination, and/or ozonation technologies to remove and/or kill various contaminants in water. A second class, referred to as point-of-use equipment, treats water at a single tap in a building or the like without regard to other taps in the building. Point-of-use equipment is typically utilized to remove health contaminants (e.g. lead) and aesthetic contaminants (e.g. sulfur) before dispensing water via the tap.
The above-described water treatment systems have become increasingly popular as more individuals become aware of contaminants present in the water supply. However, these systems are limited to utilization at a specific location (e.g. at an individual's place of residence), and hence are not amenable to portable use.
REFERENCES:
patent: 3500041 (1970-03-01), Kassing
patent: 3858048 (1974-12-01), Shand et al.
patent: 3971947 (1976-07-01), Lambert et al.
patent: 4296328 (1981-10-01), Regan
patent: 4448750 (1984-05-01), Fuesting
patent: 4471225 (1984-09-01), Hillman
patent: 4755292 (1988-07-01), Merriam
patent: 4762613 (1988-08-01), Snowball
patent: 4868397 (1989-09-01), Tittel
patent: 4992644 (1991-02-01), Webb
patent: 5106495 (1992-04-01), Hughes
patent: 5120499 (1992-06-01), Baron
patent: 5389254 (1995-02-01), Sherman
patent: 5443733 (1995-08-01), Mueller et al.
patent: 5536395 (1996-07-01), Kuennen et al.
patent: 5540848 (1996-07-01), Engelhard
patent: 5597482 (1997-01-01), Melyon
patent: 5622622 (1997-04-01), Johnson
patent: 5628895 (1997-05-01), Zucholl
patent: 5798694 (1998-08-01), Reber et al.
patent: 5843309 (1998-12-01), Mancil
patent: 6042720 (2000-03-01), Reber et al.
patent: 3-178396 (1991-08-01), None
patent: 8-117742 (1996-05-01), None
patent: 8-117742 (1998-05-01), None
patent: 97/06108 (1997-02-01), None
Ultrapure Data Sheets Nos. 1 to 3, Jan. 1993, Scores by Victoria, Australia.
WaterReview, Technical Briefs, “Treating the Water We Drink, When and Where We Drink It.”, http://www.wqa.org/WQIS/Treating-the-Water.html (pp. 1-5).
WaterReview, Technical Briefs, “Improving the Quality of Water Through Disinfection.”, http://www.wqa.org/WQIS/Improve-WQ-Disinfect.html (pp. 1-4).
James, Ron, “Ultra-Violet Light: Sterilizer, Clarifier or Both?”, http://www.koiusa.com/ultravio.htm (pp. 1-2).
New Products, Outdoor Photographer, vol. 12, No. 7, Sep. 1996.
Perttunen Cary D.
Reber William L
Stenstrom Michael K.
Gauger James E.
Motorola Inc.
Ocampo Marianne S.
Walker W. L.
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