Class 205/739 - Using anode containing free carbon (e.g., graphite, carbon fibers, etc.)

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter in which a positive electrode containing
No. of patents: 24
Last issue date: 07/10/2007

Number	Title	Issue Date
7241374	Pulsed electric field method and apparatus for preventing biofouling on aquatic surfaces An electrode system for preventing biofouling of a surface either is applied directly onto the surface of an aquatic vehicle or structure, if the surface is non-conducting; or is applied onto an insulating paint layer on the surface, if the surface is conducting; or...	07/10/2007
7211173	System for inhibiting fouling of an underwater surface A marine fouling inhibiting system comprises first and second conductors which are made of a polymer matrix, such as vinyl ester, and a suspended conductor, such as graphite powder or particles. This type of conductive material is formed to provide two sections of a...	05/01/2007
7131877	Method for protecting a marine propulsion system An electrically conductive coating is provided on a housing structure of a marine propulsion system. By impressing a current on the electrically conductive coating, which can be a polymer material, the housing structure is used as an anode in a cathodic protection s...	11/07/2006
7111668	Cooling arrangement for an offshore wind energy installation A cooling arrangement for an offshore wind energy installation, having a heat-absorbing device for absorbing heat generated by the electronic devices and/or the mechanical devices of the offshore energy installation, which is to be removed, and a coupled heat-dissip...	09/26/2006
7025013	Multilayered submersible structure with fouling inhibiting characteristic A multilayered submersible structure has an outer coating that is disposed in contact with water in which the structure is submerged, a current distribution layer or charge distribution layer, an electrical conductor connectable in electrical communication to a sour...	04/11/2006
6973890	Self-adaptive system for an apparatus which inhibits fouling of an underwater surface A system is provided which automatically calibrates a marine fouling prevention system. It responds to movements between fresh and saltwater bodies of water, detects damage to the hull or other submerged surface, and responds to the use of the fouling prevention sys...	12/13/2005
6514401	Anti-biofouling system An anti-biofouling system adapted to be used for an underwater structure immersed in seawater is disclosed. The anti-biofouling system includes a conductive layer, comprising carbon fiber, graphite powder and binder, formed on a surface of the underwater ...	02/04/2003
6383364	Method for cathodic protection of reinforced concrete There is described a method of cathodic protection, electrochemical chloride extraction and realkalisation in reinforced concrete or similar materials, and also reinforcement and crack prevention in concrete (1), comprising the impressing of a direct volt...	05/07/2002
6027633	Electrolytic restoration of concrete An electrolytic restoration of concrete includes an anode positioned at a surface of the concrete to be restored and the communication of a current from the anode to the reinforcing bars in the concrete as a cathode. The anode is in the presence of or car...	02/22/2000
5820737	Anti-fouling laminate marine structures A marine structure submersible in seawater, such as a hull, which when electrically activated is then resistant to fouling by marine organisms. The hull is formed by a structural laminate having a core sandwiched between inner and outer skins. The outer s...	10/13/1998
5527440	Repair of damaged electrode in impressed current corrosion protection system A elongate electrode of an impressed current protection system comprises a polymeric jacket sleeve (10) that contains a particulate carbonrich filler (12) around a central elongate conductive core (4,6). The invention provides a method of repairing such a...	06/18/1996
5525208	Grounding electrode A method for electric protection of a metal object, in which a long-line grounding electrode is installed in an electrolytic medium at a preset distance from the metal object to be protected and the metal object and the long-line grounding electrode are e...	06/11/1996
5080773	Ground electrode backfill A low resistance non-permeable backfill especially for use in vertical anode beds for the cathodic protection of subsurface metallic structures includes a mixture of portland cement, calcined fluid petroleum coke, micro-size carbon rods and high structure...	01/14/1992
5040599	Cathodic protection Cathodic corrosion protection of a metallic structure in contact with the earth employs a backfill material which is a mixture of a carbonaceous solid and a clay. The backfill mixture is used to fill around at least one anode which is positioned in a bore...	08/20/1991
4990231	Corrosion protection system Methods of preventing corrosion in which current flows between the to-be-protected substrate and a distributed electrode whose electrochemically active surface is provided by an element which is composed of a conductive polymer and which is at least 500 m...	02/05/1991
4921588	Cathodic protection using carbosil anodes An anode of about 90-99% carbon, about 1-9% silica gel, and about 0.1% inert binders is mounted on a painted surface....	05/01/1990
4874487	Corrosion protection Corrosion protection systems which make use of a barrier which is placed between a corrodible substrate and a counter-electrode. The barrier can provide more uniform current distribution on the substrate, and/or enable the counter-electrode to be more eas...	10/17/1989
4647353	Cathodic protection system An anode of about 98% carbon, 2% silica gel and less than 1% inert binders is mounted on a layer spread on a metal surface....	03/03/1987
4544464	Ground anode prepacked with backfill in a flexible structure for cathode protection with impressed currents Flexible ground anode prepacked with backfill for protection of a cathode with impressed currents, made up by a flexible anodic conductor (1), surrounded by backfill and coaxially centered as to the flexible external casing (2) by means of spacers (3), wh...	10/01/1985
4473450	Electrochemical method and apparatus Electrodes for electrochemical processes, especially anodes for impressed current systems for corrosion prevention, have an electrochemically active outer surface comprising a first element, preferably a conductive polymer element, and a plurality of seco...	09/25/1984
4420382	Method for controlling end effect on anodes used for cathodic protection and other applications `Necking` of elongated cathodic protection anodes is obviated or reduced by means of a nonconductive shield placed around the periphery of the anode, but spaced away from the surface of the anode at the end at which it is connected to a conductor cable. T...	12/13/1983
4318795	Valve metal electrode with valve metal oxide semi-conductor face and methods of carrying out electrolysis reactions Describes chlorine resistant metal electrodes, preferably of valve metals such as titanium and tantalum, having coatings of mixed metal oxides, preferably valve metal oxides and platinum group metal oxides, which have been doped to provide semi-conducting...	03/09/1982
4175021	Apparatus for preventing end effect in anodes An apparatus for and method of preventing end effect in deep well impressed current anodes surrounded by a carbonaceous backfill in which the opposite ends of an elongated slender anode are of non-conducting material and the remainder of the anode include...	11/20/1979
3978309	Sacrificial, shaped anode and method of constructing same A shaped, sacrificial anode for water tanks and a method of constructing the same from extruded sections is disclosed, particularly an anode having a greater mass adjacent to regions of the tank where improved corrosion protection is needed....	08/31/1976

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Class 205/739 - Using anode containing free carbon (e.g., graphite, carbon fibers, etc.)