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| Number | Title | Issue Date |
| 8187444 | Fluid treatment device A fluid treatment device is disclosed. The fluid treatment device includes at least a first electrode and a second electrode in direct contact with the fluid. The fluid treatment device may include a control device which adjusts a parameter of an alternating potenti... | 05/29/2012 |
| 7361255 | Method and apparatus for application of electrostatic charges to compounds held within containers A method and apparatus for application of electrostatic charges to compounds to change the physical characteristics of the compounds. The compound is located within a container, that can be sealed or open, in proximity to an electrode so that there is capacitive cou... | 04/22/2008 |
| 7351320 | Multiple frequency electrostatic coalescence A method of augmenting the separation of immiscible heavier and lighter components of an emulsion including the steps of conducting the emulsion into a treatment vessel, providing an AC voltage source, employing from the source an AC voltage of at least one selected... | 04/01/2008 |
| 7291314 | Activated water apparatus and methods An apparatus subjects water to waves from an RF plasma. This allows continuous production of “activated water” characterized by cluster sizes below about 4 molecules per cluster, water having pH below 4 or above 10, or water having ORP of less than −350 mV or ... | 11/06/2007 |
| 7163624 | Electrostatic separator An electrostatic separator intended for separation of liquid phase systems, made up of mixtures of liquids of various electrical permittivity. In particular, the separator is intended for separation of an oil-and-water emulsion. The electrostatic separator contains ... | 01/16/2007 |
| 6929740 | Water purification system A water purification apparatus used to prevent the formation of scale around electrodes which form part of the apparatus. The apparatus comprises at least one electrode containing a proportion of an ion-emitting electrode such as copper, silver or a copper and silve... | 08/16/2005 |
| 6911132 | Apparatus for manipulating droplets by electrowetting-based techniques An apparatus is provided for manipulating droplets. The apparatus is a single-sided electrode design in which all conductive elements are contained on one surface on which droplets are manipulated. An additional surface can be provided parallel with the first surfac... | 06/28/2005 |
| 6860979 | Dual frequency electrostatic coalescence A method of augmenting the separation of immiscible heavier and lighter components of an emulsion including the steps of passing the emulsion into a treatment vessel, establishing at least one dual frequency electric field within the vessel and selectably varying th... | 03/01/2005 |
| 6821403 | Method and device for cleaning and disinfecting treatment of water Method for cleaning and disinfecting treatment of water, during which the water is exposed to at least one electric field, whereby the electric field is a low-current field with pulsating direct voltage. Device for realization of the method which includes a source o... | 11/23/2004 |
| 6428689 | Water purifying and dispensing apparatus, and method of purifying chlorine-containing water A water purification apparatus and methods for the purification of water are provided. The invention features an atmospherically-isolated, but ventable, reservoir electrolysis cell with control features for selecting an electrolysis duration depending on ... | 08/06/2002 |
| 6267933 | Methods of preparing and using electrostatically treated fluids The present invention includes an improved electrostatic device for energizing fluids, in particular water based fluids, which will be used to provide a benefit to living organisms, machinery, processes and substances. The improved device of the invention... | 07/31/2001 |
| 6042701 | Solar-powered direct current electrodialysis reversal system An electrodialysis system for desalting water is powered from a direct current power source. The system includes solenoid activated reversing controls and incorporates features which enable the system to operate unattended for continuous (24 hours per day... | 03/28/2000 |
| 5597479 | Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization An improved electro-coalescent/magnetic separation (ECMS) system for removing contaminants from water, including desalinization, comprises a device for exposing a stream of water to be treated to an electric field, followed by introduction of ionized coag... | 01/28/1997 |
| 5437775 | Method for preparing high-purity propylene carbonate and for simultaneously making passivated electrodes This invention relates to a method for preparing high-purity propylene carbonate and for simultaneously making passivated electrodes, wherein optionally prepurified propylene carbonate is exposed in a cell to an electric field between bare electrodes.... | 08/01/1995 |
| 5385658 | Electric field controlled emulsion phase contactor A system for contacting liquid phases comprising a column for transporting a liquid phase contacting system, the column having upper and lower regions. The upper region has a nozzle for introducing a dispersed phase and means for applying thereto a vertic... | 01/31/1995 |
| 5384023 | Solvent extraction method and apparatus for recovering analytes An improved liquid/liquid solvent extraction method and apparatus utilizes an external electrode for creating an electric field within an extraction cell to shatter aqueous sample droplets flowing within a non-conductive solvent. The external electrode is... | 01/24/1995 |
| 5368724 | Apparatus for treating a confined liquid by means of a pulse electrical discharge Apparatus for purifying confined liquids and slurries by means of a spark discharge wherein the inner surface of the treatment vessel is designed to include a reflector section adjacent to a pair of electrodes and a concentrating section for intensifying ... | 11/29/1994 |
| 5352343 | Separation of the components of liquid dispersions The invention provides a method of separating the components of a liquid/liquid dispersion or emulsion, comprising the step of applying simultaneously to the dispersion or emulsion both an electric field and an aligned centrifugal force, in such a way as ... | 10/04/1994 |
| 5338421 | Method of and apparatus for separation by agglomeration A method of separating an aqueous colloidal solution by agglomeration into water and agglomerate of colloidal particles by applying voltage to the aqueous colloidal solution to promote the agglomeration of colloidal particles. The frequency of the voltage... | 08/16/1994 |
| 5326446 | Treatment of water with static and radio frequency electromagnetic fields A device for purifying water of mineral contaminants, bacteria, protozoa, algae, fungus, and other undesirable impurities, as well as for preventing and removing scale from conduits and containers within which water is maintained, that utilizes an electro... | 07/05/1994 |
| 5281330 | Water purifier A water purifying apparatus of compact construction. The water purifying apparatus has a water channel for receiving water via an inflow passage and discharging water via an outflow passage. An electrically conductive filter is disposed in and fully occup... | 01/25/1994 |
| 5262027 | Method of using an electric field controlled emulsion phase contactor A system for contacting liquid phases comprising a column for transporting a liquid phase contacting system, the column having upper and lower regions. The upper region has a nozzle for introducing a dispersed phase and means for applying thereto a vertic... | 11/16/1993 |
| 5230807 | Electrical water treatment system with indicators displaying whether control limits are maintained A method and apparatus for electronically treating water flowing through a water distribution system is disclosed which functions to inhibit the formation of scale deposits. The apparatus includes a fluid chamber connected into the water distribution syst... | 07/27/1993 |
| 5122360 | Method and apparatus for the production of metal oxide powder The present invention provides a method for preparing metal oxide powder. A first solution, which is substantially organic, is prepared. A second solution, which is an aqueous solution substantially immiscible in the first solution, is prepared and delive... | 06/16/1992 |
| 4963268 | Method and system for variable frequency electromagnetic water treatment A method and system for utilizing electromagnetic energy to inhibit, prevent, reverse, or alter the formation of rust or scale on various liquid contacting surfaces is disclosed. An electromagnetic signal at a frequency related to the energy absorption/em... | 10/16/1990 |
| 4961845 | Apparatus and method for filtering particulate matter from dielectric fluids The present invention is an apparatus and method for filtering particulate matter from dielectric fluids, and for maintaining and monitoring of the purity of said fluids. The invention operates by imparting an electrostatic charge, via a pair of convolute... | 10/09/1990 |
| 4917785 | Liquid processing system involving high-energy discharge A method and apparatus are disclosed for efficient endothermic processing of liquids and the precipitation of dissolved elements and chemical compounds. Improvements over prior systems include system layout, components and modes of operation of the system... | 04/17/1990 |
| 4507193 | Mechanism for recovering and collecting extracted polar liquids Polar liquids which have been extracted from solution under conditions of a negative pressure environment may be continuously drawn off using a system of holding tanks and control circuitry that overcomes the tendency for the extracted liquid to remain in... | 03/26/1985 |
| 4417971 | Circuit for maintaining the strength of an electrostatic field generated in a fluid mixture of varying dielectric strength The electrodes between which AC and DC electrostatic fields are sustained in a liquid mixture are connected to ground potential through rectifiers arranged to maintain the strength of the DC electrostatic field as the dielectric strength of the liquid mix... | 11/29/1983 |
| 4056451 | Dual field electric treater An electric treater for separation of a water-in-oil emulsion, which utilizes both AC potential applied to electrodes as well as DC potentials. A plurality of trays are provided through which the emulsion passes in series. One or more of these trays is su... | 11/01/1977 |
| 4049535 | Electrical treater with a.c-d.c. electrical fields An electrical field treater for resolving an emulsion formed of a continuous oil phase containing a dispersed water phase with grading a.c.-d.c. electric fields. The treater comprises a metal vessel having an emulsion inlet and outlets to remove the purif... | 09/20/1977 |
| 3981789 | Apparatus for oil dewaxing A method of dewaxing oil which employs the application of reversing electromotive force to the oil while it is being chilled, in order to prevent adherence of the wax crystals. An apparatus combination for dewaxing oil. It includes an elongated container ... | 09/21/1976 |
