08216462 is referenced by 15 patents and cites 89 patents.

A portable water disinfecting and purification apparatus comprising a first chamber into which water to be purified may be drawn by suction or negative pressure, a second chamber into which the water from the first chamber can be forced by a pumping action or positive pressure, whereby the water is passed across a micro-filter positioned within a section of the second chamber through which water can be forced by said pumping action to an outlet for purified water.

Title
Portable drinking water purification device
Application Number
12/188839
Publication Number
8216462 (B2)
Application Date
August 8, 2008
Publication Date
July 10, 2012
Inventor
Mogens Engel
Tunkhannock
PA, US
Paul W O Brien
Tunkhannock
PA, US
Agent
Charles A Wilkinson
Clinton H Wilkinson
IPC
C02F 9/00
B01D 35/22
B01D 29/88
B01D 29/62
B01D 35/00
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