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| Number | Title | Issue Date |
| 8021525 | PEM water electrolysis for oxygen generation method and apparatus A PEM based water electrolysis stack consists of a number of cells connected in series by using interconnects. Water and electrical power (power supply) are the external inputs to the stack. Water supplied to the oxygen electrodes through flow fields in interconnect... | 09/20/2011 |
| 7422668 | Electrochemical cells An electrochemical cell having an inner electrode mounted coaxially within an outer, electrode, with a tube mounted coaxially between them to define annular passageways for liquid flow in separate streams of the cell between respective pairs of inlet/outlet ports. A... | 09/09/2008 |
| 7363110 | Gasket with curved configuration at peripheral edge A gasket having the form of a frame is provided with a curved portion at an inner or outer periphery thereof. When used in combination with a similarly configured gasket, the two gaskets may together, upon compression, form a pinch seal. The curved portion may be pr... | 04/22/2008 |
| 7354506 | Diaphragm cell for chlor-alkali production with increased electrode surface and method of manufacture thereof The invention relates to a diaphragm electrolytic cell, for the production of chlorine and caustic soda having superimposed modules, and a method for increasing the electrodic surface of a diaphragm electrolytic cell constituted by a module of interdigitated anodes ... | 04/08/2008 |
| 7351317 | Electrolytic cell comprising an interior trough The invention relates to an electrolysis device for halogen gas production from an aqueous alkali halide solution in several plate-type electrolysis cells stacked and arranged side by side, with electrical contacts, each of the cells with a housing consisting of two... | 04/01/2008 |
| 7351316 | Water electrolysis method and device for determination of hydrogen and oxygen stable isotopic composition Water electrolysis device determining stable isotopic composition of water and a water electrolysis method for stable isotopic composition of water capable of analyzing many samples easily, safely and at low cost in very short time, and rapidly analyzing 17 | 04/01/2008 |
| 7347944 | Method for making and conditioning super-oxygenated and structured water A method for making super-oxygenated and structured water that includes receiving water from a source, preconditioning the water for electrolysis, performing electrolysis on the preconditioned water to produce alkaline water, combining the alkaline water with oxygen... | 03/25/2008 |
| 7335284 | Modular electrochemical cell A modular electrochemical cell having two interchangeable assemblies each with a support structure defining a cylindrical recess and having a fitting for connecting a pipe to the assembly. A disc-shaped electrode is arranged inside each recess and the assemblies are... | 02/26/2008 |
| 7332063 | Structure for an electrochemical reactor of the filter-press type A structural component for electrolytic cells of an electrochemical reactor of the filter-press type, comprising a frame (6) supporting its corresponding functional element (7, 7a), a bipolar sheet or a diaphragm, respectively. ... | 02/19/2008 |
| 7323089 | Bonded membrane-electrode assembly for electrolysis of water and water electrolyzer using the same The present invention provides a bonded membrane-electrode assembly for electrolysis of water, which enables the generation of hydrogen capable of being used as a fuel for a fuel cell by electrolyzing water, and a water electrolyzer constructed using the bonded memb... | 01/29/2008 |
| 7314539 | Pressure electrolyzer and method for operating one such electrolyzer The invention discloses a pressure electrolyzer comprising a pressure vessel (2) and an electrolytic-cell block (3) arranged in the pressure vessel (2) and containing a plurality of electrolytic cells (4) combined in the form of a stack. ... | 01/01/2008 |
| 7285192 | Pressure electrolyzer and method for switching off a pressure electrolyzer A pressure electrolyzer having a pressure reservoir, an electrolytic cell block containing a number of electrolytic cells and positioned in the pressure reservoir, the electrolytic cells each containing anodes and cathodes, and an electrolyte circulatory system for ... | 10/23/2007 |
| 7285352 | Separator for fuel cell and fuel cell therewith An objective of this invention is to provide a separator for a fuel cell whereby a fuel, air or cooling water can be evenly and efficiently fed. In a separator for a fuel cell comprising fuel channels 105 in one side and cooling water channels 106 in t... | 10/23/2007 |
| 7270908 | Proton exchange membrane electrochemical cell system A compression member for an electrochemical cell stack is provided. The compression member includes a first surface including a plurality of raised portions, a second surface including a substantially flat surface, and an edge defined by the first surface and the se... | 09/18/2007 |
| 7255894 | Non-carbon anodes for aluminium electrowinning and other oxidation resistant components with slurry-applied coatings A method of manufacturing a component, in particular an aluminium electrowinning anode, for use at elevated temperature in an oxidising and/or corrosive environment comprises: applying onto a metal-based substrate layers of a particle mixture containing iron oxide p... | 08/14/2007 |
| 7255893 | Protection of non-carbon anodes and other oxidation resistant components with iron oxide-containing coatings A method of forming a dense and crack-free hematite-containing protective layer on a metal-based substrate for use in a high temperature oxidising and/or corrosive environment comprises applying onto the substrate a particle mixture consisting of: 60 to 99 95 weight... | 08/14/2007 |
| 7252747 | Composite proton exchange membrane and method of manufacturing the same A composite proton exchange membrane and method of manufacturing the same. The composite proton exchange membrane comprises a proton exchange membrane which has been modified by replacing membrane protons in desired areas of the membrane with a cationic polymer. The... | 08/07/2007 |
| 7232507 | High volumetric efficiency electrochemical cell design for treatment of low concentrations of contaminants in low conductivity water An electrochemical cell design is disclosed for the particular application of the electrochemical treatment of contaminants in water. The cell is designed to allow the treatment of low concentrations of contaminants in low conductivity water efficiently, and to be s... | 06/19/2007 |
| 7229534 | Proton exchange membrane (PEM) electrochemical cell having an integral, electrically-conductive, resiliently compressible, porous pad Electrolysis cell comprises, in one embodiment, a proton exchange membrane (PEM), an anode positioned along one face of the PEM, and a cathode positioned along the other face of the PEM. A multi-layer metal screen for defining a first fluid cavity is placed in conta... | 06/12/2007 |
| 7204918 | High efficiency plating apparatus and method An improved apparatus for treating plate-like workpieces with a designated chemical solution, including printed circuit boards, includes: (1) a tray for holding the chemical solution, with the tray having an open top which is configured to receive a horizontally-ori... | 04/17/2007 |
| 7186559 | Apparatus and method for electroporation of biological samples The present invention relates to methods and apparatus for the encapsulation of biologically-active substances in various cell populations. More particularly, the present invention relates to a method and apparatus for the encapsulation of biologically-active substa... | 03/06/2007 |
| 7153409 | Electrochemical cell system and method of operation In one embodiment, the electrochemical system comprises an electrochemical cell and hydrogen storage in fluid communication with the hydrogen electrode, the hydrogen storage comprising at least one of carbon nanotubes and carbon nanofibers. In one embodiment, the me... | 12/26/2006 |
| 7141425 | Apparatus and method for electroporation of biological samples The present invention relates to methods and apparatus for the encapsulation of biologically-active substances in various cell populations. More particularly, the present invention relates to a method and apparatus for the encapsulation of biologically-active substa... | 11/28/2006 |
| 7074306 | Electrocatalytic composition for oxygen-depolarized cathode An oxygen-depolarized cathode for aqueous hydrochloric acid electrolysis membrane cells is described, the cathode being in contact with the membrane and capable of preventing the release of hydrogen into oxygen even at the highest current densities. Hydrochloric aci... | 07/11/2006 |
| 7052594 | Devices and methods for controlling fluid flow using elastic sheet deflection The invention relates to devices that control fluid flow, which comprise a substrate having an upper surface adapted to contact a flowing fluid and an elastic sheet immobilized with respect to the substrate, typically at a minimum of two immobilization points. The e... | 05/30/2006 |
| 7045041 | Ion exchange membrane electrolyzer The invention provides an ion exchange membrane electrolyzer. An electric current is passed through at least one electrode while the electrode is in contact with a plurality of comb-like flat leaf spring tags extending at an angle from a flat leaf spring form of ret... | 05/16/2006 |
| 7029916 | Apparatus and method for flow electroporation of biological samples The present invention relates to methods and apparatus for the encapsulation of biologically-active substances in various cell populations. More particularly, the present invention relates to a method and apparatus for the encapsulation of biologically-active substa... | 04/18/2006 |
| 7001493 | Apparatus for preparing sterilizing water and process for sterilizing water The present invention provides an apparatus for preparing sterilizing water, which comprises an electrolyzer wherein an anode chamber (10) and a cathode chamber (20) partitioned by an ion exchange membrane (40) form a unit cell (A), being altern... | 02/21/2006 |
| 6964739 | Device and method for generating and applying ozonated water The present invention is a device and method for ozonating water and applying the ozonated water to surfaces for cleaning purposes. The instant invention allows a user to transform water into a liquid with more robust cleaning properties conveniently and in a short ... | 11/15/2005 |
| 6939449 | Water electrolyzer and system An electrolyzer for generating hydrogen by the electrolytic dissociation of water employs anode and cathode half-cells, separated by a planar polymer-based solid electrolyte, and includes a water reservoir for independently maintaining a desired level of water in th... | 09/06/2005 |
| 6881511 | Gas diffusion electrodes containing modified carbon products Gas-diffusion electrodes containing modified carbon products are described wherein the modified carbon product is a carbon product having attached at least one organic group. The modified carbon product can be used for at least one component of the electrodes such a... | 04/19/2005 |
| 6783885 | Low gravity electrochemical cell An electrochemical cell system includes a hydrogen electrode; an oxygen electrode; a membrane disposed between the hydrogen electrode and the oxygen electrode; and a compartmentalized storage tank. The compartmentalized storage tank has a first fluid storage section... | 08/31/2004 |
| 6764787 | One piece sleeve gas manifold for cell stack assemblies such as fuel cells A stack of plates (121) (such as fuel cells, electrochemical cells, or enthalpy exchange plates) is surrounded by a sleeve manifold (119) which is shaped to provide manifold chambers (34-39; 146-149; 151-153; 156-158; 161-163; 180-187), and incl... | 07/20/2004 |
| 6761808 | Electrode structure An electrode structure for use, for example, in a bipolar electrolyser comprising (i) a pan with a dished recess and a flange around the periphery thereof for supporting gasket means for sealing a separator between the flanges in adjacent electrode structures, which... | 07/13/2004 |
| 6685819 | System and method for removing a solution phase metal from process liquor A galvanic cell system (50) in fluid communication with a dewatering system (40) of an inhibited oxidation scrubber (20) removes an oxidation catalyst, i.e., solution phase iron (98), from the process liquor (42) produced by the dewatering system (40) and... | 02/03/2004 |
| 6673229 | Electrochemical apparatus and process for purification of fluids The invention relates to an apparatus for purifying fluids comprising at least one electrochemical cell having a cathode (3), an anode (5) and an electrolyte (7), said cathode (3) comprising a metal complex, ML, where M represents a metal and L represents... | 01/06/2004 |
| 6652719 | Electrolysis system An improved electrolysis system having components for separating gases, especially toxic gases produced along with electrolyzed liquids from the respective chambers of the electrolysis cell; for reprocessing and recovering the separated gas/es into useful... | 11/25/2003 |
| 6623615 | Electrolytic hydrogen dissolved water and method and apparatus of production thereof Purified water is obtained from tap water. NaCl is added to the purified water so that the conductivity thereof is at least 100 μS/cm. Then, electrolysis is applied. The obtained cathode water is output and neutralized. The obtained cathode water include... | 09/23/2003 |
| 6554977 | Electrolytic wastewater treatment apparatus A method and apparatus for purifying aqueous effluent streams to reduce chemical oxygen demand thereof, where the method comprises direct oxidation of water-soluble organic material in an electrochemical cell that incorporates stainless steel electrodes, ... | 04/29/2003 |
| 6527921 | Electrochemical cell stacks An electrochemical cell stack comprising stack walls and a plurality of electrolytic cells within the stack walls, each cell comprising cell members selected from an anode a cathode; a membrane separator frame formed of a non-conductive material and havin... | 03/04/2003 |
