| Patents for C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652) |
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| 04/28/1993 | EP0538955A1 Anodes with extended service life and methods for their manufacturing |
| 04/07/1993 | CN1070705A Cathode protection method for rail rust in tunnel |
| 04/07/1993 | CN1070694A Method for electric protection of metal object grounding electrode effecting this method and composition for grounding electrode |
| 04/06/1993 | US5200259 Fiber-filled concrete overlay in cathodic protection |
| 04/01/1993 | WO1993002311A3 Corrosion protection system |
| 03/31/1993 | EP0534392A1 Anode structure for cathodic protection of steel reinforced concrete and relevant method of use |
| 03/30/1993 | US5198082 Electrolysis |
| 03/21/1993 | CA2078616A1 Cathodic protection anode and method |
| 03/18/1993 | WO1993001331A3 Anodes for cathodic protection |
| 03/16/1993 | CA1314518C Cathodic protection system for reinforced concrete including anode of valve metal mesh |
| 03/04/1993 | WO1993004218A1 Process for mantaining a cathodic protection against corrosion and device for carrying out said process |
| 03/04/1993 | WO1993004217A1 Impressed current cathodic protection system |
| 03/04/1993 | CA2115422A1 Impressed current cathodic protection system |
| 03/03/1993 | EP0529372A1 Process and apparatus for the cathodic protection of underground piping |
| 02/09/1993 | CA1313510C Impressed current cathodic protection of off-shore platforms utilizing the tensioned anode ropes system |
| 02/04/1993 | WO1993002311A2 Corrosion protection system |
| 02/02/1993 | US5183694 One or more electrodes on surface; ionically conductive grouting; moisture-resistant cover; potential difference established between substrate and electrodes |
| 01/28/1993 | DE4124930A1 Sacrificial anode wear indicator |
| 01/21/1993 | WO1993001331A2 Anodes for cathodic protection |
| 01/13/1993 | EP0522108A1 Wear indicator for consumable anodes. |
| 01/05/1993 | US5176807 Wire of valve metal coated with electroconductive ceramic; hot water heater tanks |
| 12/30/1992 | EP0520549A1 Inert anodes for the dissipation of continuous current |
| 12/29/1992 | US5174871 Method for providing cathodic protection of underground structures |
| 12/26/1992 | CA2071250A1 Inert anodes for the dissipation of continuous current |
| 12/16/1992 | EP0518264A2 Anode protector |
| 12/15/1992 | CA1311442C Expanded metal mesh and coated anode structure |
| 12/10/1992 | DE4118831A1 Prevention of organic growth in the underwater region on steel structures and ships - uses an electric anticorrosion installation where the application of the DC voltage produced is timed |
| 12/08/1992 | US5169266 Bimetallic strip of stainless steel contacted with less electrochemically active nobel metal, which acts as sacrificial anode |
| 12/03/1992 | DE4117781A1 Sacrificial anode wear indicator |
| 12/01/1992 | US5167785 For protecting automobiles from corrosion |
| 11/25/1992 | CN1019206B Cathodic corrosion-preventing device for sternshaft tube of ship |
| 11/17/1992 | US5164058 For underwater pipeline, molded elastomer cone, corrosion resistance |
| 11/12/1992 | WO1992019793A1 Method for electric protection of metal object, grounding electrode for implementing the method and composition for grounding electrode |
| 11/10/1992 | CA1309971C Internal and external corrosion protection of metal vessels |
| 10/07/1992 | CN2118070U Filler type ion scale-proof device |
| 10/01/1992 | WO1992016673A1 Method and arrangement to hinder local corrosion and galvanic corrosion in connection with stainless steels and other passive materials |
| 10/01/1992 | DE4110504A1 Cathodic protection of ship propellers - using an automatically adjustable resistor between the propeller shaft and the ship hull |
| 09/30/1992 | CN2117374U Plate ionic antiscale apparatus |
| 09/16/1992 | EP0503678A1 Cathodic protection system and method for above-ground storage tank bottoms |
| 09/09/1992 | EP0502540A1 Sacrificial electrode material for corrosion prevention |
| 09/01/1992 | US5144253 Method and apparatus for determining interactions due to direct currents on adjacent buried metal structures |
| 09/01/1992 | US5144247 Method and apparatus for reducing IR error in cathodic protection measurements |
| 09/01/1992 | US5143743 Method of evaluation of alloys for galvanic protection of steel |
| 08/26/1992 | EP0222829B2 Cathodic protection system for a steel-reinforced concrete structure and method of installation |
| 08/19/1992 | EP0499439A1 Reinforced concrete structures comprising reinforced concrete and metal coated fibres |
| 08/19/1992 | EP0499438A1 Reinforced concrete system |
| 08/19/1992 | EP0499437A1 A method of cathodically protecting a reinforced concrete structure and the structure obtained thereby. |
| 08/18/1992 | US5139634 Consumable electrode combined with solar powered anode for durable corrosion protection of underground metal structures |
| 08/18/1992 | CA1306391C Process for treatment of rolled steel to increase resistance to corrosion |
| 08/13/1992 | CA2061085A1 Cementitious composition |
| 08/13/1992 | CA2061048A1 Reinforced concrete system |
| 08/13/1992 | CA2061047A1 Modified cementitious composition |
| 08/06/1992 | WO1992013116A1 Rust preventive material and method of application |
| 07/26/1992 | CA2101251A1 Rust preventive material and method of application |
| 07/23/1992 | WO1992012277A1 Wear indicator for consumable anodes |
| 07/22/1992 | EP0495259A1 Device and method for real-time monitoring of accidental damage to the protective covering of underground or immersed metal structures or pipelines |
| 07/09/1992 | WO1992011399A1 Method of repairing building constructions with metal parts embedded in them |
| 07/09/1992 | DE4038956A1 Cathodic protection method for high voltage pylons - uses positive voltage from rectified voltage at transposition pylons |
| 07/08/1992 | EP0494011A1 Method and apparatus for analyzing the state of protection against corrosion of a work protected by cathodic protection |
| 07/01/1992 | CA2058463A1 Method and apparatus for analyzing the state of protection against corrosion of a work under cathodic protection |
| 06/11/1992 | CA2031853A1 Electrochemical and surface chemical methods for prevention of the atmospheric oxidation of sulphide tailings and of resultant acid generation |
| 06/03/1992 | EP0488995A2 Corrosion protection |
| 06/03/1992 | EP0487675A1 A method for fixing an electrode arrangement to be used in the cathodic protection of concrete structures and a fixing element. |
| 05/13/1992 | CN1061052A Dual bed cathodic protection system with automatic controls and method |
| 04/30/1992 | WO1992007109A1 Device for compensation of varying electric potential in a medium surrounding a pipeline disposed in the medium |
| 04/30/1992 | DE4033647A1 Piston-cylinder unit with cathodic corrosion protection - with electrical connection and piston, electrically connected to piston rod and cylinder to form part of electrolytic cell |
| 04/23/1992 | DE4134232A1 Cathodic corrosion protection for metallic piles and anchors - comprises cathodic pile and wire or rod anode sepd. from one another by spacers of specified voltage potential difference |
| 04/17/1992 | CA2027711A1 Inhibiting corrosion in reinforced concrete |
| 04/14/1992 | US5104502 Cathodic protection system and its preparation |
| 04/08/1992 | EP0479337A2 Electrodes for use in electrochemical processes |
| 04/07/1992 | US5102514 Cathodic protection system using carbosil anodes |
| 04/07/1992 | CA1298568C Device for protection against corrosion |
| 03/24/1992 | US5098797 Corrosion resistant blades of metals with ceramic overcoating |
| 03/24/1992 | US5098543 Cathodic protection system for a steel-reinforced concrete structure |
| 03/11/1992 | CN2098508U Inner wall corrosion-resisting device for welded area of steel pipe with internally coated lining |
| 03/03/1992 | US5092704 Ball joint with sealing cuff for motor vehicles |
| 02/26/1992 | EP0472057A2 Arrangement and process to obtain a cathodic protection |
| 02/20/1992 | WO1992002664A1 Anode member to be electrically charged for preventing corrosion of reinforced concrete and electric corrosion preventive method employing said member |
| 02/20/1992 | DE4025549A1 Sacrificial anode and steel reinforcement short-circuit monitoring - using artificial short circuiter and detector for phase potential change with circuiter switched-on and switched=off |
| 02/20/1992 | DE4025548A1 Monitoring potential between sacrificial anode and steel reinforcement - monitoring change in potential between reference electrode and either anode or steel when pulsed current is applied, avoiding short circuit |
| 02/11/1992 | US5087346 Sheathing pipe for a steel rod |
| 02/06/1992 | WO1992001824A1 The protection of cementitious material |
| 01/29/1992 | CN1058239A Three dimensiondl space network structure disordered channel solid dielectric material production and application |
| 01/28/1992 | US5084153 Electrical apparatus |
| 01/28/1992 | US5083952 Marine propulsion device exhaust system |
| 01/14/1992 | CA1294239C Composite sacrificial anode with core and surrounding composite electrode |
| 01/09/1992 | WO1992000401A1 Anode assemblies for submarine use |
| 01/09/1992 | WO1992000400A1 Reference electrodes and electrode assemblies for protection of submarine structures |
| 12/31/1991 | US5077486 Power supply for cathodic protection system |
| 12/21/1991 | WO1991019829A1 A method for fixing an electrode arrangement to be used in the cathodic protection of concrete structures and a fixing element |
| 12/21/1991 | CA2064701A1 Method for fixing an electrode arrangement to be used in the cathodic protection of concrete structures and a fixing element |
| 12/03/1991 | US5069822 Elastomer having uniform dispersion of electroconductive parti cles |
| 11/27/1991 | CN1056537A Method and apparatus for prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water |
| 11/26/1991 | US5068023 Electrode arrangement |
| 11/20/1991 | CN1014806B Apparatus and method for electrical anti-corrosion of total-titanium heat-exchanger |
| 11/19/1991 | US5065893 Cathodic protection system and method for above-ground storage tank bottoms |
| 11/16/1991 | WO1991018130A1 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water |
| 11/16/1991 | CA2083263A1 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water |
| 11/13/1991 | CN1056132A Steel articles having protective duplex coatings and method of production |
| 11/06/1991 | EP0455419A1 Coating steel articles |