| Patents for C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652) |
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| 01/03/1995 | US5378336 Inert anode for dissipation of continuous current |
| 12/28/1994 | EP0630426A1 Process for mantaining a cathodic protection against corrosion and device for carrying out said process. |
| 12/22/1994 | WO1994029496A1 Cathodic protection of reinforced concrete |
| 12/20/1994 | US5373728 In a replaceable sacrificial anode system |
| 12/13/1994 | US5372687 Cathodic protection disk anode |
| 12/13/1994 | CA1333460C Electrically conductive plastic bushings for marine propulsion devices |
| 12/08/1994 | DE4318581A1 Process for protecting the underside of flat-bottom tank bottoms from corrosion |
| 12/06/1994 | US5370783 Electrode |
| 11/22/1994 | US5366670 Method of imparting corrosion resistance to reinforcing steel in concrete structures |
| 11/22/1994 | US5366604 Solar powered cathodic corrosion protection system |
| 11/22/1994 | US5366600 Cementitious composition |
| 11/15/1994 | US5364511 Cathodic protection system and a coating and coating composition therefor |
| 11/09/1994 | EP0623691A1 Cathodic protection anode and systems |
| 11/08/1994 | US5362921 Flexible subsea line |
| 11/08/1994 | CA2012327C Corrosion inhibition apparatus for downhole electrical heating |
| 11/04/1994 | CA2122758A1 Cathodic protection anode and systems |
| 10/11/1994 | CA1332374C Expanded metal mesh and coated anode structure |
| 10/04/1994 | US5352342 Coating with conductive zinc silicate, imparting negative electrostatic bias |
| 09/29/1994 | WO1994021843A1 Method and apparatus for preventing corrosion of metal structures |
| 09/27/1994 | US5350494 Arrangement for cathodic protection |
| 09/27/1994 | CA1332158C Stamped metal anode cap assembly |
| 09/14/1994 | EP0615002A1 Improved spendable anode for anticorrosion protection of offshore structure, and process for manufacturing it |
| 09/14/1994 | CN2177152Y Temperature difference pipe anti-corrosion instrument |
| 09/13/1994 | US5346598 Method for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water |
| 09/11/1994 | CA2118658A1 Spendable anode for anticorrosion protection of offshore structures, and process for manufacturing it |
| 09/06/1994 | US5344349 Surfacing marine drive with contoured skeg |
| 08/30/1994 | US5342493 Corrosion control of dissimilar metals |
| 08/30/1994 | US5342228 Marine drive anode |
| 08/30/1994 | US5341562 Method for preventing corrosion of a reinforced concrete structure |
| 08/23/1994 | US5340455 Cathodic protection system for above-ground storage tank bottoms and method of installing |
| 08/23/1994 | US5339911 Cathodic protection and leak detection process and apparatus |
| 08/16/1994 | US5338417 Cathodic corrosion protection for an aluminum-containing substrate |
| 08/02/1994 | US5334299 Water heater having improved sacrificial anode assembly therein |
| 08/02/1994 | CA1331164C Electrodes for use in electrochemical processes |
| 08/02/1994 | CA1331160C Corrosion protection |
| 07/19/1994 | US5331286 Method for continuously monitoring the soundness of the protective covering on underground metal structures, and devices for its implementation |
| 07/06/1994 | CN2170955Y Corrosion and rust protection device for metal member in seawater |
| 06/28/1994 | US5325047 Voltage monitoring apparatus, as for monitoring cathodic protection voltage on an underground pipeline |
| 06/28/1994 | US5324884 Developing device having first and second toner supply means with an electric field generated therebetween |
| 06/28/1994 | US5324405 Pulse cathodic protection system |
| 06/28/1994 | US5324397 Method for inhibiting corrosion of carbon steel in contact with hydrofluoric acid and tetrahydrothiophene-1, 1-dioxide |
| 06/21/1994 | CA1330318C Cathodic protection of storage tank bottoms |
| 06/09/1994 | DE4240591A1 Electrical indication switch for sacrificial anode - has earth contact in contact chamber outside stroke path of contact body for increased working life |
| 06/07/1994 | US5318678 Method and apparatus for analyzing the state of protection against corrosion of a work under cathodic protection |
| 05/31/1994 | US5316641 Storage tank internal corrosion prevention anode apparatus and method |
| 05/31/1994 | CA1329962C Cathodic protection method and compositions |
| 05/31/1994 | CA1329918C Process of preventing oxidation of metal by capacitive coupling |
| 05/25/1994 | EP0598429A1 Corrosion protection installation |
| 05/18/1994 | CN2165140Y Bracelet sacrificial anode |
| 05/11/1994 | EP0595962A1 Corrosion protection system. |
| 04/28/1994 | WO1994009184A1 Repair of damaged electrode in impressed current corrosion protection system |
| 04/28/1994 | WO1994008916A1 Electrochemical treatment of reinforced concrete |
| 04/28/1994 | CA2146538A1 Electrochemical treatment of reinforced concrete |
| 04/28/1994 | CA2145638A1 Repair of damaged electrode in impressed current corrosion protection system |
| 04/26/1994 | US5305631 Cathodic protection and leak detection process and apparatus |
| 04/13/1994 | EP0591775A1 Method for preventing corrosion of a reinforced concrete structure |
| 04/08/1994 | CA2106012A1 Method for preventing corrosion of a reinforced concrete structure |
| 03/31/1994 | WO1994006951A1 A continuous-action reference electrode for the cathodic protection of metallic structures |
| 03/31/1994 | CA2144775A1 A continuous-action reference electrode for the cathodic protection of metallic structures |
| 03/29/1994 | US5298794 Electrical anticorrosion device for marine propulsion device |
| 03/22/1994 | US5296121 Ruthenium oxide coatings on pipes with shunt currents |
| 03/15/1994 | US5294396 Polyurethane |
| 03/10/1994 | DE4229977A1 Sacrificial anode corrosion protection control process - by correcting imposed current to ensure that nominal voltage of closed reference circuit does not deviate far from optimal required potential. |
| 03/08/1994 | US5292411 Method and apparatus for cathodically protecting reinforced concrete structures |
| 03/03/1994 | WO1994004719A1 Target electrode for preventing corrosion in electrochemical cells |
| 03/01/1994 | US5290407 System for controlling corrosion in an environment in which thin layers of low-pH corrosive fluids are formed |
| 02/22/1994 | CA1327180C Fusible link for cathodic protection systems |
| 02/02/1994 | EP0581433A1 Cathodic protection system comprising on electroconductive coating and coating composition thereof |
| 02/02/1994 | EP0580856A1 Method for electric protection of metal object, grounding electrode for implementing the method and composition for grounding electrode |
| 01/22/1994 | CA2099955A1 Cathodic protection system and a coating and coating composition therefor |
| 01/12/1994 | CN1080669A Cathode protective method on outside of pot bottom |
| 01/10/1994 | CA2073530A1 Corrosion protection system |
| 01/04/1994 | CA1325789C Anode ribbon system for cathodic protection of steel- reinforced concrete |
| 12/29/1993 | EP0576148A1 Compressor air tank plug |
| 12/16/1993 | DE4224539C1 Anode cathodic corrosion protection - has ring packing and press sleeve around the cable connecting and current supply bolt |
| 12/15/1993 | EP0574064A2 Method and device for the regulation of corrosion protection installations |
| 12/01/1993 | EP0413726B1 Electrical apparatus |
| 11/10/1993 | CN1078192A Method for increasing or decreasing bond strength between concrete and embedded steel, and for sealing the concrete-to-steel interface |
| 11/03/1993 | EP0568025A2 Method for preventing corrosion of a reinforced concrete structure |
| 10/28/1993 | CA2094903A1 Reference cell |
| 10/27/1993 | CN1022593C Solid dielectric material, its production and application thereof |
| 10/26/1993 | US5256267 Resistored sacrificial anode assembly for metal tank |
| 10/19/1993 | US5254228 Cathodically protected reinfroced concrete structure containing water soluble base to neutralize formed hydrogen ions |
| 10/13/1993 | EP0565192A1 Arrangement for cathodic protection |
| 10/13/1993 | EP0564546A1 Method of repairing building constructions with metal parts embedded in them |
| 10/13/1993 | CN1077232A Method for passivating steel in carbonated and/or chloride contaminated concrete |
| 09/16/1993 | WO1993018204A1 Device for compensation of an alternating voltage which occurs between a medium and a metallic pipeline disposed in the medium |
| 09/15/1993 | EP0560452A1 Cement-like support material for the cathodic protection of reinforced concrete structures |
| 09/15/1993 | EP0560443A1 Method for monitoring and locating defects in, and detachment of, the protective covering of underground or immersed metal structures or pipelines |
| 09/15/1993 | CN2142116Y Aluminum sulfate evaporator |
| 09/14/1993 | CA2092622A1 Cement-like support material for the cathodic protection of reinforced concrete structures |
| 09/12/1993 | CA2091414A1 Device and method for monitoring and locating defects in, and detachment of, the protective covering of underground or immersed metal structures or pipelines |
| 08/31/1993 | US5241301 Device and method for real-time monitoring of accidental damage to the protective covering of underground or immersed metal structures or pipelines |
| 07/06/1993 | US5225058 Corrosion resistance |
| 06/10/1993 | WO1993011279A1 Electric power distribution system for active cathodic protection of reinforced concrete constructions |
| 06/08/1993 | US5217202 Compressor air tank plug |
| 06/01/1993 | US5216370 Method and system for measuring the polarized potential of a cathodically protected structures substantially IR drop free |
| 05/28/1993 | EP0631637A4 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water. |
| 05/26/1993 | EP0543428A1 Electrolysis apparatus with protective electrodes |
| 05/06/1993 | DE4129712C1 Cathodic corrosion protection of enamelled water tank |