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특허 상세정보

Counter top water filter with replaceable electronic display monitor

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-035/00   
미국특허분류(USC) 210/087 ; 210/232 ; 210/244 ; 210/282 ; 210/416.3 ; 210/441 ; 210/446
출원번호 US-0854621 (1997-05-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Ritchey
인용정보 피인용 횟수 : 54  인용 특허 : 10
초록

A counter top water filter unit intended for domestic use to be placed adjacent to a sink and having an inlet at its lower end which is coupled to the sink faucet. The filter unit includes a cylindrical-shaped carbon particle filter cartridge which has a longitudinal passage extending from one end to the other, and a removable pre-filter screen coaxial with the cartridge and surrounding the cartridge, both elements being removably mounted within a cylindrical filter housing, the housing being closed at its upper end and open at its lower end. A replaceab...

대표
청구항

[ What is claimed:] [1.] A counter top water filter unit used by an operator, comprising:a) a filter unit having filter housing containing a removable cylindrical filter cartridge and a removable pre-filter screen coaxial with said cartridge and surrounding said cartridge;b) an outlet housing mounted to said filter housing;c) replaceable means associated with said outlet housing for evaluating the life-span of said filter cartridge, wherein when said life-span for said filter cartridge has expired said replaceable life-span evaluation means is replaced; ...

이 특허를 인용한 특허 피인용횟수: 54

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