|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||210/238 ; 210/282 ; 206/547 ; 222/189|
|발명자 / 주소|
|인용정보||피인용 횟수 : 25 인용 특허 : 3|
A water purifying system unit that is portable, fabricated of durable parts and makes provision for storage of basic survival needs in addition to water. A double chamber unit with bag and filter with separating filter and storage compartment provides three stage filtration of water. An appropriate mouthpiece makes drinking directly from the unit possible.
A portable filter unit, comprising; an outer flexible container including a top; an upper compartment of flexible material enclosed in said container; a lower compartment of flexible material enclosed in said container; a tube communicating between said lower compartment and the upper end of said container and including an upper end and a lower end; a rigid filter means mounted in said container intermediate said compartment; and a filter means including a pair of separate filter units, one communicating between said upper and lower compartments and the ...