| Patents for C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652) |
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| 07/03/2002 | CN1087039C Electrochemical method and electrode for reinforced bar concrete |
| 06/26/2002 | EP1216214A1 Combination electrode for the electrochemical restoration of corrosion-damaged reinforced concrete and corresponding method for controlling the same |
| 06/26/2002 | CN2496879Y New-type extruded magnesium anode |
| 06/11/2002 | US6402933 Coating with a semiconductive polymer; monitoring corrosion noise |
| 06/05/2002 | CN1352322A Multiple position signal detection and storage device for pipeline cathode protection |
| 06/04/2002 | US6398945 Measuring defects and variations of surface potentials in the steel; passing a direct current through the concrete electrolyte to impart corrosion resistance; passivation; dechlorination |
| 05/30/2002 | US20020062857 Metal corrosion prevention system using a non-sacrificial photoanode under sunlight |
| 05/23/2002 | WO2002040747A2 Cathodic protection system utilizing a membrane |
| 05/14/2002 | US6387540 Composite material formed by cladding one side of aluminum alloy core containing iron, manganese and nickel with corrosion-protective aluminum alloy containing zinc, iron and nickel and other side with filler aluminum-silicon alloy |
| 05/14/2002 | US6387244 Cathodic protection of reinforced concrete with impregnated corrosion inhibitor |
| 05/14/2002 | US6387226 Water circulating in closed conduit; degassing, corrosion resistance |
| 05/08/2002 | EP1203109A1 Anode monitoring systems and methods |
| 05/07/2002 | US6383364 Corrosion resistance; embedding carbon fibers; applying voltage |
| 05/02/2002 | US20020050830 Anode monitoring and subsea pipeline power transmission |
| 04/25/2002 | WO2002033148A1 Cathodic protection of steel in reinforced concrete with electroosmotic treatment |
| 04/25/2002 | WO2002033147A1 Cathodic protection of reinforced concrete with impregnated corrosion inhibitor |
| 04/23/2002 | US6376102 Thermally sprayed anticorrosion layer for reinforced concrete and method for making the preparation thereof |
| 04/18/2002 | DE10065246C1 Corrosion protection for vertical metal mast anchored in ground involves connecting protective anode directly to mast as sacrificial anode or to DC source as inert anode |
| 04/17/2002 | CN2486807Y Gas transport pipe having resistance reducing and wear resistant inner coating |
| 04/16/2002 | CA2057513C Device and method for real-time monitoring of accidental damage to the protective covering of underground or immersed metal structures or pipelines |
| 04/10/2002 | EP1194389A1 Encapsulated metal nodules for the formation of sacrificial anodes in mortar or reinforced concrete and method for the production of said nodules |
| 04/10/2002 | CN1082570C Ionically conductive agent, system for cathodic protection of galvanically active metals, and method and appts. for using same |
| 03/28/2002 | WO2002024978A1 Doubly-protected reinforcing members in concrete |
| 03/27/2002 | EP1191126A1 Method of reducing corrosion |
| 03/27/2002 | EP1190113A1 Method of providing electrochemical prevention of corrosion in changing conditions |
| 03/26/2002 | US6361664 Method of reducing corrosion with electrical charge |
| 03/19/2002 | US6358397 Doubly-protected reinforcing members in concrete |
| 03/13/2002 | CN2481729Y Electronic anticorrosion device |
| 03/13/2002 | CN2481728Y Autocontrolled long-acting magnesium rod |
| 03/07/2002 | WO2001066828A3 Electrode assembly |
| 02/28/2002 | WO2002016670A2 Offshore cathodic protection anode system |
| 02/28/2002 | US20020023848 Cathodic protection |
| 02/12/2002 | US6346188 Battery-powered cathodic protection system |
| 01/30/2002 | EP1027478B1 Method for improving corrosion resistance of reinforced concrete |
| 01/30/2002 | CN2474545Y Novel corrosion proof, dirt proof device |
| 01/24/2002 | WO2002006563A1 Method and system of preventing fouling and corrosion of biomedical devices and structures |
| 01/23/2002 | EP1174529A1 Device for the protection from corrosion of metal tank |
| 01/17/2002 | US20020005278 Corrosion preventing layer forming method |
| 01/17/2002 | CA2353261A1 Improved combination galvanic anode and wear plate for storage tanks |
| 01/02/2002 | CN1329679A Cathodic protection method and device for metal structure |
| 12/26/2001 | CN2467527Y Magnetic saturation contant potential instrument |
| 12/25/2001 | US6332971 Electrochemical treatment of reinforced concrete |
| 12/19/2001 | CN2466162Y Bar sacrificial anode |
| 12/19/2001 | CN2466161Y Beaded sacrificial anode |
| 12/18/2001 | US6331243 Capacitively coupled fastener attached to the metal and passing pulses of direct current at low voltage from battery to inhibit oxidation by providing source of electrons to the oxidizing chemicals in contact with the metal; battery voltage |
| 12/18/2001 | US6331242 Anodic encasement corrosion protection system for underground storage tanks, and metallic components thereof |
| 12/13/2001 | WO2001094665A2 Device for the protection of metal tanks against corrosion, in particular boilers |
| 12/11/2001 | US6328877 Reference electrode improvement |
| 12/05/2001 | EP1160339A2 Anti-corrosion coating applied during shot peening process |
| 12/04/2001 | US6325915 Method and system of preventing corrosion of conductive structures |
| 11/29/2001 | US20010047247 Pipeline mapping and interrupter therefor |
| 11/29/2001 | DE10025914A1 Process for permanently monitoring electrochemical, physical and chemical parameters of constructions made from reinforced concrete comprises using sensors coupled to an evaluation system via a local data bus |
| 11/28/2001 | CN2461938Y Seawater member protector |
| 11/21/2001 | EP1156550A1 Electrical connector with a suction cup |
| 11/21/2001 | EP1155165A1 Conductive mineralic coating for electrochemical corrosion protection of steel reinforcement in concrete |
| 11/21/2001 | CN1323369A Soil resisting device for structure in contact with seawater |
| 11/15/2001 | CA2347504A1 Electrical connector |
| 11/14/2001 | EP1153159A1 Cathodic protection |
| 11/14/2001 | CN1322258A Device with selected current level for active protection against corrosion of water heater or similar appliances |
| 11/13/2001 | US6315876 Cathodic protection system |
| 11/08/2001 | DE10021994A1 Arrangement for determining the pipe/ground potential on cathodically protected pipelines comprises measuring value receivers for acquiring measured and reference values for the pipe/ground potential |
| 10/31/2001 | CN1320211A Corrossion/anticorrosion analysis method |
| 10/24/2001 | EP1147462A1 Performance-based control system |
| 10/23/2001 | US6306543 Electrode for electrochemical processes comprising electrically conductive wire coated with polymer having dispersed therein magneli phase oxide particles, at least half mass thereof comprised by particles with specified diameters |
| 10/17/2001 | EP1146311A1 Sacrifice corrosion layer forming method |
| 10/16/2001 | US6303017 Repairing corrosion-induced cracked steel reinforced concrete |
| 10/03/2001 | CN1072280C Method for preventing cooling pipe of carbon-steel cooler from corrosion by sea water and apparatus thereof |
| 09/27/2001 | WO2001071063A1 Battery-powered cathodic protection system |
| 09/13/2001 | WO2001066828A2 Electrode assembly |
| 09/13/2001 | DE10011700A1 Cathodic corrosion protection of e.g. buried cables and pipelines comprises feeding back positive half waves arising through the influence of an alternating current through an electrical connection to an earthing system |
| 09/07/2001 | WO2001064973A1 Corrosion restraining method and corrosion-resisting device |
| 09/07/2001 | CA2353490A1 Method and apparatus for low energy electron enhanced etching of substrates in an ac or dc plasma environment |
| 09/05/2001 | CN1311133A Prevention method for ship extensive repair period of 30-50 years |
| 08/29/2001 | CN2445280Y Active cathode protector for internal container of electric water heater |
| 08/28/2001 | US6279617 Corrosion-protected metal construction in the form of a pipeline |
| 08/23/2001 | DE10007850A1 Verfahren und Vorrichtung zur Energiebereitstellung beim kathodischen Korrosionsschutz Method and apparatus for providing energy Cathodic Protection |
| 08/22/2001 | EP1125004A1 Device with selected current level for active protection against corrosion of a water heater or similar appliances |
| 08/22/2001 | CN1309727A Cathodic protection methods and apparatus |
| 08/15/2001 | CN2443006Y Long-lasting corrosion-resisting ring for pipe |
| 08/08/2001 | EP0690933B1 Method and apparatus for preventing corrosion of metal structures |
| 08/02/2001 | WO2001055056A1 Process for the protection of reinforcement in reinforced concrete |
| 08/01/2001 | EP1120644A1 Corrossion/anticorrosion analysis method |
| 07/19/2001 | WO2001014614A3 Solid state cathodic protection systems, methods for making and using same |
| 07/18/2001 | CN1304022A Method for protecting enamel internal container of water-heater and its device |
| 07/17/2001 | US6261439 System comprising means for measuring stray electrical currents adjacent structure, anode located adjacent structure, variable power supply which impresses current on system in response to measurement to counterbalance stray currents |
| 07/11/2001 | EP1038052B1 Remote cathodic protection monitoring system |
| 07/11/2001 | EP0796357B1 Hydrophilic anode corrosion control system |
| 07/11/2001 | CN2438909Y Anticorrosive & antirust water purifying apparatus for pipeline system |
| 07/03/2001 | US6254743 Expanded titanium metal mesh |
| 07/03/2001 | US6253847 Downhole power generation |
| 07/03/2001 | CA2094872C Method for preventing corrosion of a reinforced concrete structure |
| 06/27/2001 | EP1111159A1 Method of supplying electric current to prestressed concrete |
| 06/27/2001 | CN2436515Y Sacrificial anode capable of measuring inner wall cathodic protective potential of metal container |
| 06/26/2001 | US6251240 Capable of restricting fire which frequently occurs during a melting of mg, and for providing characteristics equal to or better than the conventional mg alloy. |
| 06/21/2001 | WO2001044541A1 Method and apparatus for monitoring a cathodic protected structure |
| 06/14/2001 | WO2001043173A1 Method and system of preventing corrosion of conductive structures |
| 06/13/2001 | CN1298770A Method and system for preventing conductive structure from being corrosion |
| 06/07/2001 | WO2001040547A1 Improvement in cathodic protection system |
| 05/30/2001 | CN1066419C Apparatus and method for treatment of self-energizing fluid using external electrodes |
| 05/29/2001 | US6238545 Composite anode, electrolyte pipe section, and method of making and forming a pipeline, and applying cathodic protection to the pipeline |