Patent ID: 7507338

Claim:
A water purifier unitary assembly device comprising: a device housing unit support structure providing a means of unifying the functional elements of said water purifier unitary assembly device in close physical proximity as a unified operational unit of easy transport; a manually operated air pump, supported by a container of water to be filtered, to provide compressed air in sealed connection to said container of water to be filtered and a force-fed water filter cartridge of multiple separable stages; a separable sealing means which provides a sealed junction and sealed aperture between mouth of said container of water to be filtered and said device housing unit support structure of said water purifier unitary assembly device, the water purifier unitary assembly device inserted within said container of water to be filtered, to retain compressed air therein; at least a first separable stage of said water filter cartridge comprising a container shell containing sediment and cyst removal filters and filter material; at least a second separable stage of said water filter cartridge comprising a container shell containing filter membranes and disinfectant resins; and at least a third separable stage of said water filter cartridge comprising a container shell containing water treatment media comprising porous activated carbon.