1
Li Shiang Liang, Emile Montminy: Apparatus for fluid purification and methods of manufacture and use thereof. Siemens Water Technologies Holding, August 11, 2009: US07572359 (30 worldwide citation)

The present invention generally relates to devices able to purify fluids electrically that are contained within pressure vessels, as well as to methods of manufacture and use thereof. Liquids or other fluids to be purified enter the purification device and, under the influence of an electric field, ...


2
Frederick Wilkins, Evgeniya Freydina, Aytac Sezgi, Reshma Madhusudan, Anil D Jha: Water treatment system and method. Siemens Water Technologies Holding, July 21, 2009: US07563351 (25 worldwide citation)

A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point-of-entry coming from a water source, such as municipal water, well water, brackish water and water containing foulants. The water treatm ...


3
Frederick Wilkins, Evgeniya Freydina, Aytac Sezgi, Reshma Madhusudan, Anil D Jha: Water treatment system and method. Siemens Water Technologies Holding, September 1, 2009: US07582198 (21 worldwide citation)

A method and apparatus for producing purified water. An electrochemical system can be configured to pass product water through depletion compartments as well as a cathode compartment. An electrochemical apparatus may also be configured to pass concentrate through both concentrating compartments and ...


4
Gary Ganzi, Anil D Jha, Frederick Wilkins, Evgeniya Freydina, Aytac Sezgi, Reshma Madhusudan: Water treatment system and method. Siemens Water Technologies Holding, October 20, 2009: US07604725 (21 worldwide citation)

The present invention is directed to a water treatment or purification system and method for providing treated water in industrial, commercial and residential applications. The treatment system provides treated or softened water to a point of use by removing at least a portion of any hardness-causin ...


5
Frederick C Wilkins, Anil Jha, Li Shiang Liang: Water treatment process. Siemens Water Technologies Holding, February 12, 2008: US07329358 (20 worldwide citation)

A system and process for treating water are described. Water may be purified by passing feed water through an electrochemical deionization device. The water may be suitable for cooking, washing, and beverage production.


6
Frederick Wilkins, Evgeniya Freydina, Aytac Sezgi, Reshma Madhusudan, Anil D Jha: Water treatment system and method. Siemens Water Technologies Holding, Lando & Anastasi, January 4, 2011: US07862700 (18 worldwide citation)

A method and apparatus for producing purified water. Treated water may be provided for domestic use wherein the water may be treated by removing selected dissolved species while retaining properties that may improve the properties or aesthetics of the water.


7
Roy Martin: Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals. Siemens Water Technologies Holding, October 23, 2007: US07285223 (18 worldwide citation)

Continuous breakpoint halogenation with hydroxyl free radical species is used to increase the rate of sanitization a water system and maintain a high rate of oxidation in the bulk water of the pool, spas, and other water systems despite the presence of accumulated demand. Undesirable compounds can b ...


8
Richard Dennis II, Jeffrey Rhodes, Edward Thomas, James Marcukaitis: Water treatment control systems and methods of use. Siemens Water Technologies Holding, June 24, 2008: US07390399 (17 worldwide citation)

The control systems and technique can regulate or control operations of a water treatment system in a primary control mode and, when appropriate, in a secondary or an alternate control mode. The primary control can represent a normal control mode during which the water treatment system is intended t ...


9
Frederick Wilkins, Anil Jha, Li Shiang Liang: Water treatment system. Siemens Water Technologies Holding, January 27, 2009: US07481929 (13 worldwide citation)

A system and process for treating water are described. Water may be purified by passing feed water through an electrochemical deionization device. The water may be suitable for cooking, washing, and beverage production.


10
Charles Stark Applegate, David W Dubey: Wastewater treatment control. Siemens Water Technologies Holding, August 19, 2008: US07413654 (13 worldwide citation)

A wastewater treatment method. The method includes establishing a setpoint value of oxidation-reduction potential of a mixed liquor, measuring a measured value of oxidation-reduction potential of the mixed liquor, comparing the measured value of oxidation-reduction potential and the setpoint value o ...