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Class 204/270 - Gas


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Electrolytic cells in which material fed or withdrawn is
No. of patents: 253
Last issue date: 01/24/2012


1              
NumberTitleIssue Date
8101051Combustion gas generation device and on-vehicle combustion gas generation device using electrolysis
A large amount of a gas mixture of hydrogen and oxygen can be effectively generated over a long time. A positive electrode and a negative electrode are immersed in an electrolytic cell filled with an electrolytic solution, and a DC or AC voltage is applied across th...
01/24/2012
8034220Electrochemical thermodynamo
Electrochemical cells modules made up of couples of catalytic multilayer porous electrodes forming the anodes and the cathodes and delimitating external gaseous areas and internal areas containing the electrolyte wherein the pressure modulators, generating two press...
10/11/2011
7922878Electrohydrogenic reactor for hydrogen gas production
A system for hydrogen gas generation is provided according to the present invention which includes a hydrogen gas electrode assembly including a first anode in electrical communication with a first cathode; a microbial fuel cell electrode assembly including a second...
04/12/2011
7427339Heat conducting metal layer for ion conductor stack
The current invention relates to a means for improving heat removal from the inside of an electrochemical device to the outer surface so as to reduce thermal stresses in the device, thereby allowing for increased oxygen production. A means for conducting heat toward...
09/23/2008
7393440Hydrogen generation system
The present invention provides a system for generating hydrogen gas in an aqueous solution based electrolytic or galvanic cell wherein the cathode is made from aluminum or an aluminum alloy. In a preferred arrangement the cell is a galvanic cell and cathode is made ...
07/01/2008
7358005Methods and apparatus for isolating solid oxide fuel cells
A fuel cell stack assembly includes at least a first fuel cell and a second fuel cell electrically coupled together such that at least one sealed passage extends between the first and second fuel cells. Each of the fuel cells includes at least one hollow manifold th...
04/15/2008
7323089Bonded 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
7279245System for removal of inerts from fuel cell reactants
An electrical power plant that includes a fuel cell and at least one recycle system for recycling at least a first reactant, for reuse by the fuel cell. The fuel cell discharges a first exit stream that includes the first reactant and inerts. The recycle system comp...
10/09/2007
7279016Fuel cell bipolar separator plate and current collector assembly and method of manufacture
A fuel cell bipolar separator plate of variable length is formed from a sheet having a fixed width. The sheet is passed through a tool a predetermined distance and a pattern of ribs is formed on a central portion of the sheet with the tool to define a segment along ...
10/09/2007
7258779Method and means for hydrogen and oxygen generation
A method and means for producing a combustible mixture of hydrogen and oxygen by electrolysis of water using a pulsed application of water onto electrodes while applying an electrical potential between electrodes and where the electrodes are not immersed in the wate...
08/21/2007
7244357Pumps for filtration systems
Improvements in product water throughput from a reverse osmosis (RO) membrane filter achieved by thinner feed spacers in the RO element, enhanced recovery (ratio of permeate to feed), pressure recovery of the retentate fluid pressure opposing the feed water pressure...
07/17/2007
7244347Method and system to provide electrical contacts for electrotreating processes
Systems and methods to provide electrical contacts to a workpiece to facilitate electrotreating processes, including electroplating and electroetching processes are presented. ...
07/17/2007
7238328Solid-state light source photolytic nitrogen dioxide converter
A solid-state light source photolytic NO2 converter including a reaction chamber made of a reflective material with diffuse reflective properties, whereby the reaction chamber includes a low volume gas cell wherein the gas sample residence time is less th...
07/03/2007
7211186Method and system to provide electrical contacts for electrotreating processes
Systems and methods to provide electrical contacts to a workpiece to facilitate electrotreating processes, including electroplating and electroetching processes are presented. ...
05/01/2007
7211174Method and system to provide electrical contacts for electrotreating processes
Systems and methods to provide electrical contacts to a workpiece to facilitate electrotreating processes, including electroplating and electroetching processes are presented. ...
05/01/2007
7211175Method and apparatus for potential controlled electroplating of fine patterns on semiconductor wafers
Controlled-potential electroplating provides an effective method of electroplating metals onto the surfaces of high aspect ratio recessed features of integrated circuit devices. Methods are provided to mitigate corrosion of a metal seed layer on recessed features du...
05/01/2007
7189313Substrate support with fluid retention band
An apparatus and method for supporting a substrate is provided. In one embodiment, an apparatus for supporting a substrate includes a body having a band extending therefrom. The band is adapted to retain a fluid on the body thereby forming a shallow processing bath ...
03/13/2007
7188478Power generation system and method of operating same
A power generation system comprising a liquid-cooled electrolyzer operable to produce a supply of hydrogen from water is provided. The power generation system may also comprise a steam turbine and a steam production device operable to produce a supply of steam to th...
03/13/2007
7160434Therapeutic electrolysis device
An electrolysis device is provided. The electrolysis device includes an ionizer unit having first and second plate assemblies that each provide a different surface area that is contacted by water when the unit is in use. The plate assemblies may each provide a diffe...
01/09/2007
7143722Electrolysis 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
7144651High-temperature compliant compression seal
A sealing arrangement contains a first mating surface, a second mating surface, and a felt sealing member contacting the first and the second mating surface. The arrangement may be used in a solid oxide fuel cell. ...
12/05/2006
7097410Methods and apparatus for controlled-angle wafer positioning
The orientation of a wafer with respect to the surface of an electrolyte is controlled during an electroplating process. The wafer is delivered to an electrolyte bath along a trajectory normal to the surface of the electrolyte. Along this trajectory, the wafer is an...
08/29/2006
7090751Apparatus and methods for electrochemical processing of microelectronic workpieces
A processing chamber comprising a reaction vessel having an electro-reaction cell including a virtual electrode unit, an electrode assembly disposed relative to the electro-reaction cell to be in fluid communication with the virtual electrode unit, and an electrode ...
08/15/2006
7045042Gas-collecting electrets as magneto-electrolysis cell components
A tank-type water electrolysis apparatus with unipolar electrodes arrangement and wherein imposed magnetic fields enhance electrolyte solution circulation, further enhanced in apparatus operation by use of immersed electrets providing partitioning structure between ...
05/16/2006
7033465Clamshell apparatus with crystal shielding and in-situ rinse-dry
Certain mechanisms of a plating apparatus address problems associated with interaction between plating solutions or other processing solutions and the components of the plating apparatus (such as the electrical contacts). For example, a circumferential spray skirt a...
04/25/2006
7033463Substrate plating method and apparatus
A method and apparatus plate a substrate to form wiring by efficiently filling a fine recess formed in a semiconductor substrate with plating metal without a void or contamination. The plating of the substrate to fill a wiring recess formed in the semiconductor subs...
04/25/2006
7021208Compress and position apparatus
The present invention relates to a compress and position apparatus with positioning, orientating functions and providing more uniform pressing force compliantly. The compress and position apparatus comprises a guiding column, a base, a housing, a seat, a annular por...
04/04/2006
7014740Brown gas mass production apparatus including a line style electrolytic cell
Disclosed is a Brown gas mass production apparatus having a line style electrolytic cell in which an electrolytic cell case having an electrolyte distribution and discharging pipe mounted on the inside bottom surface thereof is coated with insulation material on the...
03/21/2006
7005075Gas drive electrolytic cell
The present invention is directed to an electrolytic cell that is completely sealed during the electrolysis operation during production of oxidant. Gasses generated within the electrolysis operation, primarily hydrogen that is liberated at the cathode surface, incre...
02/28/2006
6994776Method and apparatus for low temperature annealing of metallization micro-structure in the production of a microelectronic device
A method for filling recessed microstructures at a surface of a microelectronic workpiece, such as a semiconductor wafer, with metallization is set forth. In accordance with the method, a metal layer is deposited into the microstructures with a process, such as an e...
02/07/2006
6978621Turbo recuperator device
A device and method for recuperating a gas turbine engine comprises a compressor being configured to receive a coolant fluid stream, to compress the coolant fluid stream and to discharge the compressed coolant fluid stream to a turbine in fluid communication with th...
12/27/2005
6978617Power generation system using a combustion system and a fuel cell
A regenerative fuel cell is combined with a combustion engine such as a Pulse Detonation Engine (PDE) to create a closed-loop power generation system. Stored hydrogen and oxygen are used by the regenerative fuel cell, and by the combustion engine, in which the react...
12/27/2005
6977036Method and apparatus for substrate polishing
A method and apparatus are provided for polishing a substrate surface. In one aspect, an apparatus for polishing a substrate includes a conductive polishing pad and an electrode having a membrane disposed therebetween. The membrane is orientated relative the conduct...
12/20/2005
6942780Method and apparatus for processing a substrate with minimal edge exclusion
An apparatus for processing a material on a wafer surface includes a cavity defined by a peripheral wall and configured to direct a process solution and direct it to the surface to to a first wafer surface region without being directed to a second wafer surface regi...
09/13/2005
6936143Tandem cell for water cleavage by visible light
A tandem cell or photoelectrochemical system for the cleavage of water to hydrogen and oxygen by visible light has two superimposed photocells, both cells being connected electrically. The photoactive material in the top cell is a semiconducting oxide placed in cont...
08/30/2005
6929722Substrate plating apparatus
A substrate plating apparatus forms an interconnection layer on an interconnection region composed of a fine groove and/or a fine hole defined in a substrate. The substrate plating apparatus includes a plating unit for forming a plated layer on a surface of the subs...
08/16/2005
6926817Solution processing apparatus and solution processing method
A plating apparatus includes a plating solution tank which stores a plating solution, a holder including an inner space to house a wafer and an opening for the wafer to be in contact with the plating solution, and a nitrogen supplying mechanism to supply nitrogen to...
08/09/2005
6923901Non-chemical water treatment method and apparatus employing ionized air purification technologies for marine application
Contaminated water, particularly, ballast water, blackwater, galley water, accommodation water, laundry water, fresh water and seawater, is disinfected by admixture of a highly reactive gas stream containing ions of oxygen and nitrogen, formed by exposure of air to ...
08/02/2005
6913676Device for supplying at least two liquid media to consumers of a fuel cell system
An apparatus for delivering at least two liquid media to consumers of a fuel cell system, with a feed pump is made less complicated than known apparatuses in that at least one pressure transmission unit between the at least two media is provided with at least one pr...
07/05/2005
6860983Recovery and re-use of anode oxygen from electrolytic cells
A process and apparatus for recovering a metal from a feedstock containing a compound of the metal. The process includes an electrowinning step in which a leachate comprising a salt of the metal, dissolved in an aqueous acid solution, is subjected to electrowinning ...
03/01/2005
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