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| Number | Title | Issue Date |
| 7879207 | Electrochemical cell with dynamic endplate An electrochemical cell stack and method are provided with use the generated hydrogen gas to pressurize a chamber. The electrochemical cell stack includes a plurality of cells mounted between a first static endplate and a dynamic endplate. A pressure chamber is form... | 02/01/2011 |
| 7591932 | Pressure electrolyser and cell frame for said electrolyser A pressure electrolyzer having an electrolytic cell block that contains a number of electrolytic cells combined to form a stack, each electrolytic cell having an anode and a cathode. The electrolytic cell block has a sealed housing formed by a number of stacked cell... | 09/22/2009 |
| 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 |
| 7340818 | Method of improving the contact between bipolar plates and membrane electrode assembly of a flat panel fuel cell A flat panel DMFC (direct methanol fuel cell) includes a first electrode plate, a set of membrane assemblies, at least a bonding sheet, a second electrode, and fuel container base. Because of the gap between the first/second electrode plates and the membrane assembl... | 03/11/2008 |
| 7337663 | Sonic energy process chamber A system for processing a workpiece includes a base having a bowl or recess for holding a processing fluid. A sonic energy source, such as a megasonic transducer, provides sonic energy into a processing fluid in the bowl. A process head holds a workpiece. A process ... | 03/04/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7143722 | Electrolysis cell and internal combustion engine kit comprising the same A system for producing one or more gases for enhancing combustion in an internal combustion engine, the engine having an intake, the system comprising: an electrolysis cell, for generating one or more combustion enhancing gases under pressure; a gas conduit, for con... | 12/05/2006 |
| 7141147 | Electrolytic cell The invention relates to an electrolytic cell, and a method for manufacturing such cell. The cell comprises an anode and a cathode compartment, a separator partitioning the compartments, gas diffusion electrode members arranged to the separator with a space between ... | 11/28/2006 |
| 7112380 | Method and apparatus for the storage and redistribution of electrical energy A method of storage and redistribution of electrical energy comprising the steps of: producing hydrogen and oxygen through water electrolysis in an electrolyzer (1) operating under pressure; collecting the hydrogen and oxygen so obtained in respective pressur... | 09/26/2006 |
| 7097748 | Electrolyzer pressure equalization system An energy storage system has a first pressurized tank for carrying water and hydrogen gas and a second pressurized tank for carrying water and oxygen gas. A first output line connects to the pressurized tank for carrying hydrogen gas from the tank. A second output l... | 08/29/2006 |
| 7090753 | Electrolytic cell for producing charged anode water suitable for surface cleaning or treatment, and method for producing the same and use of the same The present invention provides an electrolytic cell, which can efficiently produce, charged water having an excellent performance of improving surface cleaning or treatment of an object, e.g., semiconductor, glass, or resin and of cleaning and sterilizing medical de... | 08/15/2006 |
| 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 |
| 7074357 | Gasket A film-integrated gasket comprising a resin film and an adhesive rubber layer directly molded on the resin film. The adhesive rubber layer is molded from addition reaction type silicone rubber. The adhesive rubber layer can have a reduced thickness and can prevent p... | 07/11/2006 |
| 7048838 | Ion exchange membrane electrolyzer The invention provides an ion exchange membrane electrolyzer ensuring a satisfactory circulation of electrolyte, high electrolytic efficiency and great ridigity. An anode chamber partition in a flat sheet form is joined to a cathode chamber partition in a flat sheet... | 05/23/2006 |
| 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 |
| 7037618 | Apparatus and method for compressing a stack of electrochemical cells An electrochemical cell comprising a plurality of electrochemical cell components having at least one opening extending therethrough. At least one filament extends through the at least one opening and has two ends with first and second securing members coupled to th... | 05/02/2006 |
| 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 |
| 6998030 | Bipolar assembly for filter-press electrolyzer A bipolar assembly for filter-press type electrolyzers is described comprising a single sheet, whose two faces work respectively as anodic and cathodic wall, characterised by a design of perimetral flanges which greatly simplifies its construction enhancing its reli... | 02/14/2006 |
| 6984296 | Electrochemical cell for electrolyzers with stand-alone element technology The invention describes an electrochemical cell for the membrane electrolysis process for electrolyzers with single-element technology. The cell consists of at least of 2 half-shells (8, 10), which surround an anolyte chamber (16) and a cathode chamber... | 01/10/2006 |
| 6932883 | Screens for vibratory separators A method for making a screen assembly for a vibratory separator, the method including, in at least certain aspects, gluing together with glue at least two layers of fine screening material, allowing the glue to set, preheating the glued together at least two layers ... | 08/23/2005 |
| 6913850 | Thin film modular electrochemical product and method of manufacture thereof A method of manufacturing a thin film electrochemical apparatus is disclosed. A near net shape ceramic element is molded including a planar base region and a plurality of tubular regions. The planar base region is infiltrated with a non-conductive material. Each of ... | 07/05/2005 |
| 6869517 | Electrolytic process and apparatus An electrolytic process and apparatus for oxidizing inorganic or organic species is disclosed. The process and apparatus includes contacting a solution containing the inorganic or organic species with an electrocatalytic material disposed in an electrolytic reactor.... | 03/22/2005 |
| 6852205 | Water-electrolysis-device-use electrode plate, unit, solid electrolytic membrane unit and electrolytic cell According to the present invention, there is provided an electrode plate for a water electrolysis device, which is formed from a metal plate having such a thickness as to be capable of being press-formed, and which comprises a flat plate portion, and a peripheral ed... | 02/08/2005 |
| 6746580 | Generation and delivery device for ozone gas and ozone dissolved in water The present invention provides an ozone generation and delivery system that lends itself to small scale applications and requires very low maintenance. The system preferably includes an anode reservoir and a cathode phase separator each having a hydrophobic membrane... | 06/08/2004 |
| 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 |
| 6500319 | Proton exchange membrane (PEM) electrochemical cell having an integral, electrically-conductive, compression pad Electrochemical 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. To enhance electrolysis, platinum catalysts are present between t... | 12/31/2002 |
| 6497973 | Electroconversion cell A system for generating and consuming borohydride ions comprising two electrochemical cells. At least one of the cells is configured for installation on a vehicle that is propelled by electricity.... | 12/24/2002 |
| 6471850 | 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 stor... | 10/29/2002 |
| 6464846 | Electrically-conductive elastomeric compression pad for use with proton exchange membrane electrochemical cells Electrically-conductive compression pad suitable for use in an electrolysis cell stack. In a preferred embodiment, the electrically-conductive compression pad comprises a single sheet of electrically-conductive material, such as a metal. The electrically-... | 10/15/2002 |
| 6454918 | Cup type plating apparatus A cup type plating apparatus in which plating is carried out by supplying plating solution to a wafer placed on an opening at a top of a plating tank while an anode and the wafer connected to a cathode provided in the plating tank are electrically connect... | 09/24/2002 |
| 6423203 | Method for the integration of fuel cells into electrochemical plants The invention describes a method for the direct connection of fuel cells to electrolyzers of electrochemical plants producing hydrogen as a by-product. The by-product hydrogen is fed to the fuel cells and the electric energy thereby produced is transferre... | 07/23/2002 |
| 6395154 | Electrochemical cell using a folded double electrode plate The present invention relates to electrochemical cells and electrochemical systems using a one piece or unitary electrode plate hereinafter also referred to as a double electrode plate (DEP) which serves to electrically connect two adjacent cell compartme... | 05/28/2002 |
| 6383347 | Electrochemical cell utilizing rigid support members The present invention relates to electrochemical cells and electrochemical systems using a one piece or unitary electrode plate hereinafter also referred to as a double electrode plate (DEP) which serves to electrically connect two adjacent cell compartme... | 05/07/2002 |
| 6309522 | Electrolytic cell An electrolytic cell includes at least a first and a second, generally planar, membrane-supporting frame each having a plurality of through-holes. Each is sealed to a plurality of annular coupling members located between the frames and generally aligned w... | 10/30/2001 |
| 6287431 | Integrated ozone generator system An ozone generator which operates at constant pressures to produce a continuous flow of ozone in an oxygen stream having from 10% to 18% by weight of ozone. The ozone generator includes one or more electrolytic cells comprising an anode/anode flowfield, a... | 09/11/2001 |
