| Patents for C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652) |
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| 05/06/2004 | US20040084300 Anode monitoring and subsea pipeline power transmission |
| 05/06/2004 | CA2501229A1 Coatings for the inhibition of undesirable oxidation in an electrochemical cell |
| 04/29/2004 | WO2004035865A1 Semiconductive corrosion and fouling control apparatus, system, and method |
| 04/29/2004 | US20040079928 Method for applying a coating that acts as an electrolytic barrier and a cathodic corrosion prevention system |
| 04/29/2004 | DE10247691A1 A mixture for the application of a polymeric corrosion resistant, electrically conductive or semi-conductive coating, useful as a weld primer, comprises a mixture of soft and hard electrically conductive particles |
| 04/28/2004 | EP1412556A1 Semiconductive polymeric system, devices incorporating the same, and its use in controlling corrosion |
| 04/27/2004 | US6726831 Corrosion protection of electrically heated pipe-in-pipe subsea pipeline |
| 04/27/2004 | CA2305357C Cathodic protection methods and apparatus |
| 04/22/2004 | WO2003010358A3 Cathodic protection |
| 04/21/2004 | EP1409756A1 Method for the protection against corrosion of a steel part made of austenitic or semi-austenitic steel during the production of sulfuric acid |
| 04/20/2004 | US6724589 Boat electrical test and isolator system |
| 04/01/2004 | WO2004027933A2 Cathodic protection junction box current equalizer |
| 04/01/2004 | WO2003100337A3 Device for protecting a heat exchanger against corrosion |
| 03/31/2004 | EP1403399A2 Titanium article having improved corrosion resistance |
| 03/31/2004 | CN1485158A Pressing production method for sacrificial zinc anode belt |
| 03/25/2004 | US20040058190 Having integral incorporation of a platinum group metal or alloy thereof directly or indirectly attached to a minor surface portion of article |
| 03/25/2004 | US20040057174 Cathodic protection junction box current equalizer |
| 03/25/2004 | CA2441680A1 Titanium article having improved corrosion resistance |
| 03/18/2004 | US20040051332 Protective coatings; polyeric coating and electronic filter for filtering noise |
| 03/17/2004 | EP1397619A1 Perfected hot-water boiler |
| 03/17/2004 | CN1483092A Electrolytic protection of reinforced concrete using immersion corrosion inhibitor |
| 03/11/2004 | DE10209309B4 Verfahren zur Inertisierung der Anoden von Hochtemperaturbrennstoffzellen und Hochtemperaturbrennstoffzellenanordnung Method for inerting of the anodes of high temperature fuel cells and high-temperature fuel cell assembly |
| 03/10/2004 | EP1395788A1 Plate-type heat exchanger with anodic corrosion protection |
| 03/04/2004 | WO2002033147A8 Cathodic protection of reinforced concrete with impregnated corrosion inhibitor |
| 03/04/2004 | DE20318976U1 A steel water tank has a corrosion inhibiting electrode fitted by a bolt in the base and sealed by an O-ring compressed into a triangular section recess |
| 03/03/2004 | EP1394282A1 Fuel tank or fuel pipe exhibiting excellent corrosion resistance and method for manufacturing the same |
| 03/03/2004 | CN1478922A Turbin steam condenser water chamber anticorrosion device and its manufacturing method |
| 02/26/2004 | WO2004016833A2 Electrochemical scale inhibition |
| 02/26/2004 | WO2004016826A1 System and method for protecting metals |
| 02/26/2004 | US20040038071 Sacrificial material and aluminum alloy cladding material for heat exchanger |
| 02/26/2004 | CA2495957A1 Electrochemical scale inhibition |
| 02/25/2004 | EP1391679A2 Sacrificial Material and Aluminium Alloy Cladding Material for Heat Exchanger |
| 02/25/2004 | CN2604543Y Seawater special water pump |
| 02/25/2004 | CN1477233A Extruding method for making sacrificial anode rod |
| 02/25/2004 | CN1477232A Iron and steel equipment corrosion protection method in molten steel spraying area |
| 02/19/2004 | WO2002072917A3 Disbonded coating cathodic protection monitoring coupon |
| 02/19/2004 | WO2002040747A3 Cathodic protection system utilizing a membrane |
| 02/19/2004 | US20040031697 Applying potentials to surfaces of metal apparatus to impart corrosion resistance |
| 02/19/2004 | US20040031692 Coatings for the inhibition of undesirable oxidation in an electrochemical cell |
| 02/19/2004 | DE20318981U1 Method for protecting a water heating system from corrosion has a unit with an anode inserted into the heater tank and a connections to a potential source and earth |
| 02/18/2004 | CN1476490A Cathodic protection of steel in reinforced concrete electroosmotic treatment |
| 02/12/2004 | DE20317699U1 Corrosion protection for reinforcing concrete comprises an electrically conducting layer applied on the surface of a concrete |
| 02/11/2004 | CN1474153A Device for preventing heat exchanger from corrosion of freezer and air conditioner |
| 02/11/2004 | CN1474152A Device for preventing condenser radiation fin from corrosion using sacrificial anode |
| 02/05/2004 | WO2003075381A3 Method for inerting the anodes of fuel cells |
| 02/04/2004 | CN1472363A Zone negative electrode protective intelligent monitoring systems |
| 02/03/2004 | US6685822 Process for the protection of reinforcement in reinforced concrete |
| 01/29/2004 | WO2004009713A1 Method for applying a coating that acts as an electrolytic barrier and cathodic corrosion prevention system |
| 01/28/2004 | EP1383707A2 Fabrication of silicon micro mechanical structures |
| 01/22/2004 | US20040011669 Protection of reinforced concrete |
| 01/21/2004 | CN2600585Y Spring magnesium band anode device |
| 01/21/2004 | CN1468708A Iron and steel parts cladded with negative metal |
| 01/08/2004 | US20040004479 Pipeline mapping and interrupter therefor |
| 01/08/2004 | US20040003991 APT-1(Anode Placement Tool-model 1) |
| 01/06/2004 | US6673309 Sacrificial anode for cathodic protection and alloy therefor |
| 12/31/2003 | WO2004000641A1 A propeller spinner for a marine propeller |
| 12/30/2003 | US6669837 Alkali metal hydroxide evaporator system |
| 12/24/2003 | DE20315525U1 Device for controlling/monitoring protective current flow to inert anode in water reservoir, has breaker for switching supply line to earth as soon as inverse and/or increased current flow exists in line |
| 12/24/2003 | CN2594279Y Bracelet anodes for buried steel pipelines |
| 12/18/2003 | US20030230494 Protective ground mat for induced potentials and method therefor |
| 12/14/2003 | CA2431482A1 Protection of reinforced concrete |
| 12/11/2003 | WO2003102268A1 A protecting device for metal structures |
| 12/10/2003 | EP1368510A1 Subsea pipeline power transmission |
| 12/04/2003 | WO2003100337A2 Device for protecting a heat exchanger against corrosion |
| 11/26/2003 | CN2588041Y Short-section type corrosion-resisting device for oil pipe |
| 11/20/2003 | WO2003095393A1 Method for the cathodic prevention of corrosion of reinforcement corrosion on damp and wet marine structures |
| 11/20/2003 | WO2003038398A3 Pulsed electric field method and apparatus for preventing biofouling on aquatic surfaces |
| 11/20/2003 | WO2002057179A3 Fabrication of silicon micro mechanical structures |
| 11/06/2003 | WO2003091161A1 Water treatment system and water heater with cathodic protection and method |
| 10/30/2003 | US20030202786 Water treatment system and water heater with cathodic protection and method |
| 10/23/2003 | US20030196912 Sacrificial electrode system for cathodically protecting iron and/or steel object against corrosion comprising sacrificial anodic material containing zinc, magnesium, aluminum with a ceramic magnet coupled with cap plate embedded into anode |
| 10/23/2003 | US20030196715 Fuel tank or fuel pipe exhibiting excellent corrosion resistance and method for manufacturing the same |
| 10/01/2003 | CN1446271A Method and system of preventing fouling and corrosion of biomedical devices and structures |
| 09/30/2003 | US6627117 Method for applying a coating that acts as an electrolytic barrier and a cathodic corrosion prevention system |
| 09/30/2003 | US6627065 Reinforcing steel in concrete construction; liquid coating having metallic particles which provide a protective current to the metallic member |
| 09/18/2003 | US20030173231 Chloride is removed electrochemically from concrete by means of ionic migration; chloride concentration in concrete is drastically reduced so that it is no longer necessary to replace concrete |
| 09/17/2003 | CN2573510Y Flexible sacrificial anode |
| 09/16/2003 | US6620535 Strategies for preventing anode oxidation |
| 09/12/2003 | WO2003075381A2 Method for inerting the anodes of fuel cells |
| 09/09/2003 | US6617855 Pipeline mapping and interrupter therefor |
| 08/27/2003 | EP1337689A1 Cathodic protection of reinforced concrete with impregnated corrosion inhibitor |
| 08/27/2003 | EP1337688A1 Doubly-protected reinforcing members in concrete |
| 08/27/2003 | CN1119264C Protection method for ship extensive repair period of 30-50 years |
| 08/20/2003 | EP1047810B1 Corrosion protected treatment device |
| 08/19/2003 | US6607846 Covering substrates surfaces with platinum, palladium and/or alloys by plating, welding or vapor deposition to improve chemical resistance |
| 08/13/2003 | EP1334221A1 Cathodic protection of steel in reinforced concrete with electroosmotic treatment |
| 08/06/2003 | CN1434880A Device for the protection of metal tanks against corrosion, in particular boilers |
| 08/05/2003 | US6601644 Corrosion preventing layer forming method |
| 07/09/2003 | CN2559655Y Shield sleeve for spoondrift splash zone corrosion protection |
| 07/02/2003 | CN1427803A 电极组件 The electrode assembly |
| 06/26/2003 | US20030119377 Electrode Assembly |
| 06/24/2003 | US6582587 Numerical techniques such as the finite element method (FEM) are used to model the current and voltage distribution in concrete structures such as bridges. The geometric arrangement of groundbeds and the ideal locations for the |
| 06/19/2003 | WO2003050325A2 Electrode structure for protection of structural bodies |
| 06/19/2003 | CA2469391A1 Electrode structure for protection of structural bodies |
| 06/17/2003 | US6579429 Antifouling system for structure exposed to seawater and heat exchanger |
| 06/11/2003 | EP1318247A1 Concrete structure |
| 06/11/2003 | CN2555270Y Deep well anode device for cathode protecion |
| 06/03/2003 | US6572760 Cathodic protection |
| 05/28/2003 | CN1109790C Soil resisting device for structure in contact with seawater |
| 05/27/2003 | US6569296 Ladder anode for cathodic protection of steel reinforcement in atmospherically exposed concrete |