| Patents for C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652) |
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| 09/09/2008 | US7422789 Carbon fiber, multiple-walled nanotube, and/or single-walled nanotube conductive media dispersed in a flowable material to serve as an electron transfer agent; also dispersed are sacrificial metal particles less noble than the metal substrate; passive galvanic circuits |
| 09/09/2008 | US7422666 Photovoltaically powered cathodic protection system for automotive vehicle |
| 09/09/2008 | US7422665 Anode for cathodic protection |
| 09/03/2008 | CN201109797Y Deep well anode antisepsis protective equipment |
| 09/02/2008 | CA2302966C Ladder anode for cathodic protection |
| 08/28/2008 | WO2008103595A1 Retrievable surface installed cathodic protection for marine structures |
| 08/28/2008 | US20080202941 attaching an impervious sealed sleeve that acts to inhibit permeation of oxygen through concrete to steel in columns while promoting transfer of current from the anode through the concrete by preventing drying, and passing current; corrosion inhibition |
| 08/27/2008 | CN101250703A Gas turbine steel component anticorrosion composite coating |
| 08/27/2008 | CN100414000C Distribution type metal oxide flexible anode |
| 08/21/2008 | US20080199258 Retrievable surface installed cathodic protection for marine structures |
| 08/20/2008 | CN201102990Y Integrated impressed current cathode protection device for heat pump water container |
| 08/20/2008 | CN101245464A Flexible corrosion protection anode with filler |
| 08/20/2008 | CN101245463A Flexible corrosion protection anode |
| 08/14/2008 | US20080190919 Water Heater Anode and Mounting Fixture |
| 08/13/2008 | CN100410337C Method for applying a coating that acts as an electrolytic barrier and cathodic corrosion prevention system |
| 08/12/2008 | US7410563 Method and apparatus for preventing corrosion of contact |
| 08/06/2008 | CN201095649Y Replaceable pipeline inner annular anode |
| 07/31/2008 | WO2007126715A3 Activating matrix for cathodic protection |
| 07/23/2008 | CN101225521A Water heater magnesium-alloy anode material having sterilization function |
| 07/23/2008 | CN100404725C Metal oxide anode assembly for cathode protection of ship |
| 07/22/2008 | US7402233 Apparatus and method for cathodically protecting metals against corrosion |
| 07/16/2008 | CN101223303A Apparatus, system and method for extending the life of sacrificial anodes on cathodic protection systems |
| 07/16/2008 | CN101222137A Decoupling device used for steel pipe protection project |
| 07/15/2008 | US7399389 Corrosion inhibitor dispensing apparatus and methods |
| 07/09/2008 | CN201082902Y Device for protecting fire tube type heating furnace smoke and fire pipe cathode |
| 07/09/2008 | CN101215713A Pipeline grounding device isolator with anti-corrosion capability |
| 07/03/2008 | WO2008079946A1 Detection system |
| 07/03/2008 | US20080156660 Discrete anode for cathodic protection of reinforced concrete |
| 07/03/2008 | US20080156658 Inhibiting formation of or removing carbonate scale, biofilms, or algae; wrapping a wire anode on the surface of a UV element (quartz tube); electrolytically producing oxidants; ultraviolet radiation purification; producing a low pH environment |
| 07/03/2008 | US20080155827 Method for repairing metal structure |
| 07/02/2008 | EP1937874A2 Discrete anode for cathodic protection of reinforced concrete |
| 07/02/2008 | EP1579034A4 Semiconductive corrosion and fouling control apparatus, system, and method |
| 06/26/2008 | US20080149475 Cleaning device for heat exchanger |
| 06/25/2008 | EP1934385A2 Sacrificial anode and backfill |
| 06/25/2008 | CN201077862Y Reinforced concrete sacrificial anode protection device |
| 06/25/2008 | CN100397710C Copper/saturated copper sulphate gel reference electrode |
| 06/25/2008 | CN100396819C Apparatus for cathodic protection in an environment in which thin film corrosive fluids are formed and method thereof |
| 06/18/2008 | CN101203628A Use of cathodic protection compounds on treated metal articles |
| 06/17/2008 | US7387713 Resistored anode construction |
| 06/11/2008 | CN201071981Y Insulation anchorage short piece |
| 06/11/2008 | CN201071708Y Device for using abandoned well as ground bed to protect underground pipes and oil wells |
| 06/11/2008 | CN101198724A A corrosion resistant object having an outer layer of a precious metal |
| 06/10/2008 | CA2471993C Rust prevention system of an outboard motor |
| 06/03/2008 | US7381312 Cathodic protection system for a marine propulsion device with a ceramic conductor |
| 06/03/2008 | CA2423116C Doubly-protected reinforcing members in concrete |
| 05/29/2008 | DE102006055024A1 Procedure for protecting exhaust line-/exhaust system from corrosion, by subjecting components of the exhaust system with cathodic protection by transcrystalline stress corrosion, and coating the component with electrochemical base coat |
| 05/28/2008 | CN100390323C Semiconductive corrosion and fouling control apparatus, system, and method |
| 05/21/2008 | CN101184869A Control apparatus, system, and method for reduction and/or prevention of space weather induced corrosion |
| 05/20/2008 | US7374643 Composite sacrificial anodes |
| 05/14/2008 | CN201060954Y Antisepsis and resistance depressant grounding electrode with electrode potential isolation function |
| 05/08/2008 | US20080105564 Protecting steel in concrete by connecting the steel to a discrete sacrificial anode assembly comprising a base metal, a catalytic activating agent in contact with the base metal and a substantially inert porous layer that surrounds base metal and catalytic activating agent |
| 05/08/2008 | US20080105563 Cathodic protection systems |
| 05/08/2008 | US20080105562 Systems and methods for underwater impressed current cathodic protection |
| 05/07/2008 | EP1918393A2 Alloy for use in galvanic protection |
| 05/07/2008 | CN201056588Y Sacrificial anode |
| 05/03/2008 | CA2567681A1 Alloy for use in galvanic protection |
| 04/23/2008 | EP1913363A2 Method and device for monitoring and detecting the coating defects of an underground or underwater pipeline |
| 04/23/2008 | EP1700015B1 Well cooler |
| 04/22/2008 | CA2335796C Thermally sprayed anti-corrosion layer for reinforced concrete and method for the preparation thereof |
| 04/17/2008 | DE102007045818A1 Verbesserter Schutz gegen galvanische Korrosion für Magnesiumkomponenten unter Verwendung von in Position gegossenen Isolierkörpern Improved protection against galvanic corrosion of magnesium components using cast in position insulators |
| 04/03/2008 | DE102006044706A1 Schichtstruktur und Verfahren zur Herstellung einer Schichtstruktur Layer structure and process for producing a layer structure |
| 04/02/2008 | EP1904667A2 Accumulator water heater with adjustable cathodic protection |
| 04/02/2008 | CN201043641Y Single-layer heat-preserving counterbalance pipe with cathode protection device used in oceanography engineering |
| 04/02/2008 | CN101153399A Galvanic corrosion protection for magnesium components using cast-in-place isolators |
| 04/02/2008 | CN101153398A Corrosion-resistant break-resistant steel rail or steel wheel of train |
| 03/27/2008 | WO2007122186A3 Using an impressed current cathodic protection system to power electrical appliances |
| 03/27/2008 | US20080073223 Attaching discrete sacrificial anodes to exposed steel in concrete construction providing protection current |
| 03/26/2008 | CN201040771Y Cathodic protection potentiostat anti-interference circuit |
| 03/26/2008 | CN201040770Y Electronic anti-rust device for gold processing interprocess |
| 03/26/2008 | CN201040769Y Anticorrosion electronic device for automobile body |
| 03/26/2008 | CN101148768A Monitoring device for sea platform sacrificial anode generation current flow |
| 03/26/2008 | CN101148767A Aluminum-zinc-indium series sacrificial anode material |
| 03/20/2008 | WO2008033028A1 Mechanical fastening device for cathodic protection of an insulated pipeline |
| 03/19/2008 | EP1899502A2 Method for the cathodic protection of the reinforcements of ferroconcrete edifices against corrosion |
| 03/19/2008 | CN201037583Y Steel pipeline without inner repairing mouth after welding |
| 03/19/2008 | CN101144166A Method for carrying corrosion-resistant treatment to large-scale oil storage tank for realizing pressure test by filling sea water |
| 03/12/2008 | EP1896633A2 A corrosion resistant object having an outer layer of a precious metal |
| 03/12/2008 | CN201033802Y Hollow cylinder sacrificial anode |
| 03/12/2008 | CN101142341A Treatment process for concrete |
| 03/11/2008 | CA2236650C Louvered anode for cathodic protection systems |
| 03/04/2008 | US7338591 Pressing an inert, optionally impregnated anode is against a layer of an intermediate, moisture-adsorbent and contact-establishing material and impressing a voltage on a permanent basis on the reinforcement; for concrete marine structures such as wharves |
| 02/28/2008 | US20080047843 cathodically protecting and/or passivating a metal section; attached to the metal via the connector and a reinforced concrete structure |
| 02/28/2008 | US20080047842 Control for galvanic corrosion inhibiting coupling |
| 02/27/2008 | CN201027213Y Frame type steel mesh deep well anode |
| 02/27/2008 | CN201027212Y Replaceable plastics alloy deep mine, sub-deep well anode |
| 02/27/2008 | CN101130874A Method for fixing sacrificial anode of steel pipe pile |
| 02/27/2008 | CN100372177C Electrochemical earthing body |
| 02/26/2008 | CA2429249C Cathodic protection system utilizing a membrane |
| 02/20/2008 | EP1889952A1 Method for forming surface-treating film |
| 02/20/2008 | EP1889950A2 Anti-corrosion cathodic protection device with sacrificial anode |
| 02/20/2008 | EP1682623B1 Cathodic protection coatings containing carbonaceous conductive media |
| 02/20/2008 | CN201024213Y High-silicon cast iron electrode plate |
| 02/19/2008 | US7332069 Cathodic corrosion protection powder coating composition and method |
| 02/14/2008 | DE102006037706A1 Cathodic corrosion protection of reinforcements of steel concrete plants, comprises generating perpendicular hollow spaces on upper surface of the concrete, and bringing KKS-anodes into the hollow spaces after the hardening of concrete |
| 02/13/2008 | EP1885913A2 Apparatus, system and method for extending the life of sacrificial anodes on cathodic protection systems |
| 02/13/2008 | CN101122029A High-silicon cast iron battery lead plate and preparation method thereof |
| 02/13/2008 | CN101122028A Method for preparing metal oxide anode used for protecting reinforced concrete cathode |
| 02/12/2008 | US7329336 System for protecting an underwater structure having blocks capable of conforming to the structure electrically connected and fastened together by embedded flexible wire rope passing through the blocks and attached to one or more embedded sacrificial anodes |
| 02/12/2008 | CA2378317C Anode monitoring systems and methods |
| 02/06/2008 | EP1884579A1 Method for forming surface-treating film |