Patents for C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652)
04/2009
04/16/2009CA2606671A1 Cathodic protection apparatus and method
04/15/2009EP2048266A1 Corrosion protective layer
04/09/2009WO2008011627A3 Method and device for controlling the results of deposition on substrate surfaces
04/09/2009DE202008017264U1 Korrosionsschutzeinrichtung für einen Warmwasserspeicher Corrosion protection device for a hot water tank
04/08/2009EP1632007B1 Anticorrosive protection system for antenna glass, and corresponding antenna glass
04/08/2009CN201218386Y Anti-corrosion pipe nipple apparatus of pipe inner lining
04/01/2009CN101397674A Intelligent full-bridge soft-switching potentiostat
04/01/2009CN101397673A Sacrificial anode and protective cathode-casing tube anti-corrosive apparatus
04/01/2009CN101397672A Sacrificial anode and protective cathode-oil-well pump anti-corrosive apparatus
04/01/2009CN101397671A Sacrificial anode and protective cathode-oil pipe anti-corrosive apparatus
04/01/2009CN101397670A Sacrificial anode and protective cathode-pumping rod anti-corrosive apparatus
04/01/2009CN100473761C Titanium product with improved corrosion resistant property
03/2009
03/26/2009US20090078585 Using an impressed current cathodic protection system to power electrical appliances
03/24/2009USRE40672 Cathodic protection of concrete
03/18/2009CN101386989A Heavy duty anticorrosion treatment method of navigation mark drum water-line and the part below the water-line
03/12/2009WO2009032992A1 Method of preparing high density metal oxide layers and the layers produced thereby
03/12/2009US20090065367 Applications for sacrificial anodes
03/11/2009CN201206166Y Underground type sacrificial anode test device
03/04/2009EP1412556A4 Semiconductive polymeric system, devices incorporating the same, and its use in controlling corrosion
03/04/2009EP1337689B1 Cathodic protection of reinforced concrete with impregnated corrosion inhibitor
03/04/2009EP1303645A4 Method and system of preventing fouling and corrosion of biomedical devices and structures
03/04/2009CN201201970Y Flexible anode with current for protecting cathode
03/04/2009CN201201969Y Anti-rust and rust-removing method for water pipeline
03/04/2009CN101376983A Cathodic protection apparatus having sacrificial anode current output monitoring function and manufacturing method thereof
03/04/2009CN101376982A Probe for monitoring sacrificial anode current output and manufacturing method thereof
02/2009
02/26/2009WO2009023956A1 A method and apparatus to detect and locate roof leaks
02/25/2009CN201198492Y Cathodic protection equipment for high pressure underground gas storage well
02/25/2009CN101374977A Accumulator water heater with adjustable cathodic protection
02/25/2009CN101372747A Anti-rust rust-removing method for water pipeline and anti-rust rust-removing apparatus
02/25/2009CN100464008C Metal piece for cladding anode layer
02/18/2009EP2026045A2 Device for determining the amount of hot water remaining
02/18/2009CN201195750Y Oil gas conveyer tube protection device
02/18/2009CN100462563C Pump and galvanic cell corrosion protection apparatus for the pump
02/12/2009WO2009019717A1 Intelligent cathodic protection system (icap)
02/12/2009US20090038946 Metal oxide film, laminate, metal member and process for producing the same
02/11/2009EP2021527A1 Applications for sacrificial anodes
02/11/2009CN201193245Y Co-laying double-row anti-theft anode
02/11/2009CN101363121A Inlay type composite sacrificial anode and use thereof
02/10/2009US7488410 Anode assembly for cathodic protection
02/05/2009WO2009016075A1 Process for the electrolytic zinc coating of aluminium alloys
02/05/2009US20090032410 Electrical connection to impressed current anode in concrete construction
02/04/2009CN201190184Y Flexible polymer anode
02/04/2009CN100457975C Double layer aluminum alloy composite sacrificial anode
01/2009
01/28/2009CN201186952Y PCCP cathodic protection conduction and steel wire anchoring integrated apparatus
01/28/2009CN101353799A Manufacturing method of non-deformation magnesium alloy extrusion anode
01/15/2009WO2008116757A3 Turbomachine blade with erosion and corrosion protective coating and method of manufacturing the same
01/14/2009CN101343744A Active interference removing apparatus for buried pipeline
01/07/2009CN201177136Y Anti-corrosive corrugated compensator
01/07/2009CN201176457Y Magnesium bar
01/07/2009CN101338437A Method for preparing graded multicomponent metal mixing oxide anode
01/07/2009CN100449036C Metal corrosion preventing titania meterial and its prepn and application
12/2008
12/31/2008EP2007925A1 An electrical device for impeding corrosion
12/31/2008EP2007924A1 Silicone coating composition for protection from cathodic stress
12/27/2008CA2635818A1 Corrosion inhibiting additive
12/24/2008EP2004875A1 Anode for cathodic protection
12/24/2008CN201169624Y Oil tube cathode protector
12/23/2008US7468124 Cleaning wafer with metal exposed through an insulator, through the use of a wet cleaning tank in concert with a feedback system on the potential difference between two leads of the wet cleaning tank
12/23/2008CA2320239C Electrochemical treatment of reinforced concrete
12/10/2008EP1999299A1 Electro-chemical method in an enrichment process
12/03/2008CN201158711Y Platinum-tantalum netted auxiliary anode for harbor work
12/03/2008CN201158710Y Silver/silver halide reference electrode for vessel
12/03/2008CN201158709Y Impressed current cathode protection system of sea water recirculating pump
12/03/2008CN201158708Y Clamp type sacrificial anode
11/2008
11/26/2008EP1994206A2 Electrical connection to impressed current anode in concrete construction
11/26/2008CN201154989Y Platinum-niobium composite silk-shaped auxiliary anode
11/26/2008CN100436646C Composite sacrificial anodes
11/25/2008CA2444638C Cathodic protection of steel within a covering material
11/20/2008WO2007124034B1 Stabilizer with cathodic protection
11/20/2008US20080283417 Process for Cathodic Protection of Electrode Materials
11/12/2008CN201149995Y Special surge protective apparatus for cathodic protection system
11/12/2008CN201148467Y Combined anode and cathode protection apparatus
11/12/2008CN100432295C Aluminium-magnesium sacrificed anode material
11/11/2008US7449101 Method of reducing corrosion of metal material
11/05/2008CN201144286Y Flexible anti-corrosive anode
11/05/2008CN201144285Y Flexible anti-corrosive anode packing material
10/2008
10/30/2008US20080265217 Maintains and improves cathodic protection with minor amount of inherently conductive polymer; coating includes sacrificial metallic particles less noble than metal in the metal substrate to be protected; includes conductive polymer in an amount of less than 1 weight percent of total solids
10/29/2008CN201141040Y Monitoring device for emitted current of ocean platform sacrificial anode
10/23/2008WO2008127501A1 Method for determining and/or managing corrosion and/or contamination
10/22/2008CN201137466Y Helical type pumping rod anti-corrosive wear-resistant device
10/22/2008CN201136898Y Sacrificial anode of profiled cross section
10/21/2008US7438787 Impressed current cathodic protection system for marine engine
10/15/2008CN100425939C Heat exchanger, pipe material and fin material of heat exchanger and manufacturing method of heat exchanger
10/14/2008US7435326 Protection current is applied through the electrolyte between the pair of protection electrodes and the electrical current through the control electrode is sensed; protection current is adjusted to reduce the magnitude of the sensed current, preferably to zero
10/09/2008WO2007104122A8 Method for protecting pipelines against corrosion
10/08/2008CN100424229C Metal pipeline line electrochemical anticorrosion apparatus
10/07/2008US7431809 Electrode for a cathodic protection device
10/02/2008WO2008118589A1 Composite anode for cathodic protection
10/02/2008CA2681232A1 Composite anode for cathodic protection
10/01/2008EP1974074A2 Immersed electrode assembly
10/01/2008CN201125267Y Intelligent frequency conversion constant electric potential instrument
09/2008
09/25/2008WO2007124034A3 Stabilizer with cathodic protection
09/25/2008US20080230398 Sacrificial Anode and Backfill
09/18/2008WO2008110625A1 Apparatus for measuring sacrificial anode wear
09/17/2008CN101268215A Discrete anode for cathodic protection of reinforced concrete
09/16/2008US7425249 Subsea solar powered test station with voltage readout
09/12/2008WO2008107644A2 Inhibition of corrosion of structures
09/12/2008WO2008013879A3 Process for cathodic protection of electrode materials
09/12/2008CA2694016A1 Inhibition of corrosion of structures
09/10/2008CN101260526A Composite electric potential coupling corrosion control technique
09/10/2008CN101260525A Oil gas transmission pipeline protection device
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