1
Edwards Richard N: Sewage treatment apparatus and method. November 13, 1973: US3772188 (69 worldwide citation)

An apparatus and method for the treatment of sewage and waste comprising an enclosed pressurized vessel for receiving transported sewage and for treating the same to provide biological and chemical oxidation and sterilization and undesirable color, taste, odor, phenol, cyanide and phosphate reductio ...


2
Happ George M, Kottmeier Merill F: Magnetic structure for treating liquids containing calcareous matter. August 1, 1972: US3680705 (50 worldwide citation)

A structure for subjecting liquids having a dissolved and suspended calcareous content to magnetic lines of force. The liquid is caused to pass around a number of permanent magnets developing lines of force through which the liquid moves in a path intersecting such lines of force. This is achieved b ...


3
Bridges Jack E: Energy-efficient electromagnetic elimination of noxious biological organisms.. Iit Res Inst, August 4, 1993: EP0553377-A1 (44 worldwide citation)

An energy-efficient method for killing noxious biological organisms (bacteria, insects, etc.) in contaminated materials ranging from liquid, semi-liquid, and solid foods pharmaceuticals and hospital wastes comprises passing the contaminated material through an exposure chamber; screening, comminutio ...


4
Kottmeier Merrill F: Magnetic apparatus for treating liquids containing calcareous matter. Lindberg Richard C, December 2, 1975: US3923660 (41 worldwide citation)

Structure for treating water containing calcareous matter magnetically comprises a cylindrical outer jacket having an inlet thereto and an outlet therefrom and defining a treating chamber. Structure is mounted in the treating chamber to provide both a helical path and a direct path for the water pas ...


5
Sutherland Gordon: Process for removal of organic contaminants from a fluid stream. AWT Systems, Finnegan Henderson Farabow & Garrett, April 9, 1974: US3803033 (39 worldwide citation)

A process for the removal of organic contaminants from a fluid stream containing organic contaminants. The process involves dispersing a magnetically susceptible iron-carbon complex in the fluid stream, maintaining the magnetically susceptible iron-carbon complex in a dispersed condition until a sub ...


6
Happ George M, Kottmeier Merrill F: Magnetic structure for treating liquids containing calcareous matter. June 13, 1972: US3669274 (36 worldwide citation)

A structure for subjecting liquids having a dissolved and suspended calcareous content to magnetic lines of force. The liquid is caused to pass around a number of permanent magnets developing lines of force through which the liquid moves in a path intersecting such lines of force. This is achieved b ...


7
Smith Owen, Holder James F: Crystal generator to inhibit scale formation and corrosion in fluid handling systems. Love Oil Company, Lindsley Warren F B, June 24, 1975: US3891394 (31 worldwide citation)

An improved crystal generator comprising a specially formed pressure differential device in the fluid flow line of a well or other fluid flow system employing a special core which generates particular crystal formation(s) in the pumped fluid. The crystal generator stimulates the formation of 'seed' ...


8
Improvements in or relating to apparatus for electrically treating fluids. Dubilier Condenser Co 1925, May 7, 1948: GB601578-A (31 worldwide citation)

601,578. Electrolytic treatment of fluids. DUBILIER CONDENSER CO. (1925). Ltd. Feb. 6, 1946, No. 3767. Convention date. June 5, 1945. [Class 41] Apparatus for electrically treating fluids, for example for treating water to reduce scale in boilers, of the kind wherein the fluid flows between two elec ...


9
Flettner Marc: (De) Wasserbehandlungsvorrichtung, (En) Water treatment device. Flettner Marc, COHAUSZ DAWIDOWICZ HANNIG Schumannstrasse 97 99 40237 Düsseldorf, December 16, 2004: WO/2004/108607 (30 worldwide citation)

(EN) The invention relates to a water treatment device comprising a metallic sleeve (1) inside which at least one metallic sacrificial anode (4) is disposed, said sacrificial anode (4) being connected to the sleeve (1) in an electrically conducting manner. At least one metallic swirling member (9, 9 ...


10
Shaffer Peter T B: Electrolytic cell for inactivation and destruction of pathogenic material. The Carborundum Company, Dougherty David E, Obenland Clayton O, December 2, 1975: US3923629 (30 worldwide citation)

This invention relates to an electrolytic cell for inactivating and destroying fluid borne pathogenic materials. The cell comprises layers of permeable electrically conductive material separated by layers of permeable electrical insulation. The conductive layers act as the cell electrodes which are ...