1
Frank R Shippey, Timothy C Vance, Fred E Martin: Automatic flushing system for membrane separation machines such as reverse osmosis machines. Raypak, Herzig & Walsh, November 16, 1976: US03992301 (156 worldwide citation)

An automatic flushing and cleaning system for membrane separation machines such as reverse osmosis machines having plural modules or membranes. Cleaning may be by way of reducing the pressure to allow the membrane to relax, by the injection of air or inert gas to provide turbulence, and/or by inject ...


2
Frank R Shippey, Timothy C Vance, Fred E Martin: Means for coupling and sealing membrane carrying tube sections. Raypak, Herzig & Walsh Incorporated, January 27, 1976: US03934906 (6 worldwide citation)

Porous, tubular core sections coated with a semipermeable membrane are joined at their ends by a simplified coupling member. Each coupling member or connector comprises a cylindrical flange member having circularly barbed or serrated nipples which fit tightly into the ends of bores of adjacent core ...


3
Frank R Shippey: Reverse osmosis cell with multi-conduit osmotic membrane element. Donald Diamond, May 22, 1979: US04155853 (2 worldwide citation)

A reverse osmosis cell is provided which includes a pressure vessel having pressurized fluid inlet means, concentrate fluid outlet means, and permeate fluid outlet means. A hollow, open-ended, rigid, porous, tubular member is disposed within the pressure vessel in spaced relationship to the inner su ...



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