Nimbus Water Systems, Inc.

Desalination Systems, Inc.

Clement C Macevicz

Byron J Mulherin, Jr

Donald T Bray

Charles W Million

Water treatment assembly head

Water purifier

A reverse osmosis water purification device for attachment to a kitchen faucet or the like employs a substantially leak-proof, two-piece pressure vessel containing a readily replaceable reverse osmosis module. In the preferred embodiment, a handle is provided on the module to facilitate removal thereof from the pressure vessel. Also in the preferred embodiment, carbon-felt disks are provided to provide filtering for water after the water has been purified by reverse osmosis membranes.

Water purification device

Mud, slime, precipitated particles and other foreign matter are removed from the surface of a semipermeable membrane used in a membrane process system by flushing, preferably with the membrane in place in its cartridge or container, with water of purity greater than 1 megohm resistivity.

Method for cleaning semipermeable membranes

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San Diego, CA, United States of America

Clement C Macevicz