Matches 1 - 50 out of 89 1 2 >
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7264697 Marine anode with current tester  
A sacrificial marine anode with a water proof encased current tester to alert an operator of proper connectivity, current status of the cathodic protection system for an associated marine...
7238263 Corrosion tester  
A portable, handheld, automatic protection level interpreting cathodic protection meter for testing the level of protection being afforded to metallic structures protected by either sacrificial...
7198706 Method for inhibiting corrosion of metal  
The present invention generally provides a method for prevention of corrosion in a metal object by inducing a surface current over the entire surface of the metal object. The surface current can be...
7182853 Redox control/monitoring platform for high throughput screening/drug discovery applications  
The invention is a redox control and monitoring platform that is to be used in conduction with another detection scheme. The platform includes a portion of an electrochemical control. The...
7141150 Method and test chamber for accelerated aging of materials and bonds subject to corrosion related degradation  
A method and test apparatus for carrying out testing on a variety of samples of polymer bonded to metal wherein the samples are subjected to an accelerated cathodic reaction causing cathodic...
7029569 Semiconductive corrosion and fouling control apparatus, system, and method  
An apparatus, system, method and computer program product directed to controlling corrosion of a conductive structure in contact with a corrosive environment and coated with a semiconductive...
6932891 Wear indicator for sacrificial anode  
An apparatus for indicating when a predetermined portion of a sacrificial anode has been corroded comprises a detector embedded within the interior of the sacrificial anode initially at a...
6902661 Corrosion sensor  
A system using tank corrosion sensors to provide for an overall assessment and monitoring of the electro-chemical corrosion and coatings condition in ships' tanks, and particularly in ships'...
6896779 Corrosion sensor  
A system using tank corrosion sensors to provide for an overall assessment and monitoring of the electro-chemical corrosion and coatings condition in ships' tanks, and particularly in ships'...
6881306 Combination electrode for electrochemical restoration of corrosion-damaged reinforced concrete and method of controlling same  
Re-usable, energy-efficient apparatus for the restoration of corrosion-damaged reinforced concrete and a method for controlling the same. The apparatus includes a combination electrode device in a...
6841059 Hull potential monitor device having a plurality of annunciators  
A monitor for use in conjunction with a galvanic protection system for a marine vessel provides automatic and continuous monitoring of a voltage at a reference electrode of the galvanic protection...
6811681 Semiconductive corrosion and fouling control apparatus, system, and method  
An apparatus, system, method and computer program product directed to controlling corrosion of a conductive structure in contact with a corrosive environment and coated with a semiconductive...
6744265 Automated cathodic protection monitor and control system  
An automated, remote control/monitoring system for a cathodic protection system for a buried metallic object based on monitoring multiple coupon test stations, buried next to the metal object, by a...
6582587 Cathodic protection design method, current mapping and system  
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...
6540886 Cathodic protection system utilizing a membrane  
A cathodic protection system for corrosion protection of metallic structures in contact with aqueous solutions such as salt water and calcium chloride brine. The system employs anode chambers...
6509148 Method for fabricating biosensors using hydrophilic polyurethane  
Disclosed is a method for fabricating biosensors, using hydrophilic polyurethane. Bio-active reagents, including enzymes, antibodies, antigens, cells and receptors, are mixed with hydrophilic...
6506295 Cathodic protection method and device for metal structure  
A main anode and a pilot anode are mounted on a coating film of a metal structure, a cathode is mounted on a metal based material of the metal structure, a predetermined voltage is applied from the...
6478948 Method of monitoring and controlling corrosion of furnace boiler tubes  
A method for monitoring and reducing corrosion in furnace boiler tubes measures electrochemical noise associated with corrosion mechanisms while corrosion is occurring at the surface of the tubes...
6419816 Cathodic protection of steel in reinforced concrete with electroosmotic treatment  
Combining an electroosmosis direct current (EP) applied at less than 1 mA/Mcm 3 (milliamp per 1000 cm 3 of concrete) with an anode placed adjacent an outer surface of reinforced concrete soaked...
6358397 Doubly-protected reinforcing members in concrete  
A concrete structure is reinforced with steel rebars coated with essentially pure aluminum in the range from about 0.25 mm to 2 mm thick upon which aluminum coating is an aluminum oxide layer in...
6331243 Process and apparatus for preventing oxidation of metal  
An apparatus for prevention of corrosion in metal objects uses a capacitively coupled fastener or pad attached to a metal body being protected from corrosion. The metal body and the negative...
6322691 Method for passivating steel in large structures formed of steel-reinforced concrete  
An electro-chemical process for rehabilitating steel reinforced concrete, wherein a distributed flow of electrical current is established between internally embedded reinforcing steel, connected as...
6315876 Cathodic protection system  
A preassembled cathodic protection system is provided for protecting buried structures such as guy anchors, which includes a reference cell, test station and anode, all prewired together and tested...
6261439 Cathodic protection system for mitigating stray electric current effects  
A cathodic protection system utilizes dynamic control of an output from a power supply to vary an impressed current applied to a structure to be protected proportional to a measurement of stray...
6228238 Outside power source-type, electrical, corrosion protection  
Several embodiments of reference electrode constructions for use in electrically anti-corrosion protection systems for marine outboard drives. In each embodiment the reference electrode is...
6197168 Electrochemical stain prevention apparatus of submerged structure and process for producing submerged structure used in this apparatus  
An electrochemical stain prevention apparatus of a submerged structure comprising a submerged structure of which at least the stain prevention surface is formed of a conductive film that does not...
6187161 Reference cell  
An integrated cell and the test station is disclosed in a unitary package which includes internally encapsulated wiring connections at both the cell and test station. The cell and test station are...
6183625 Marine galvanic protection monitor  
A galvanic monitor system uses two annunciators, such like light emitting diodes, to alert a boat operator of the current status of the boat's galvanic protection system. A reference electrode is...
6173669 Apparatus and method for inhibiting fouling of an underwater surface  
A marine fouling prevention system comprises two conductive surfaces and a device that alternates the direction of electric current between the two surfaces. The current is caused to flow through...
6060877 Flat cathodic protection test probe  
A flat cathodic protection test probe comprises a non-metallic probe body (20) with a mounted metal coupon (18) simulating a large coating holiday on a pipeline, an insulated wire(s) (22) attached...
5964992 Reference electrode for monitoring steel-in-concrete potentials  
A graphite reference electrode for use in the cathodic protection of steel embedded in concrete has been produced with a stable catalyzed structure that when equilibrated with air or oxygen and an...
5897755 Cathodic protection test station  
A cathodic protection test station device has a terminal board integrally formed with a base plate. A removable housing locks onto the base plate and covers the terminal board and the base plate. A...
5747892 Galvanic isolator fault monitor  
A system and method for testing and monitoring the operation of a galvanic isolator. The galvanic isolator is positioned between shore ground and boat ground to prevent the flow of destructive...
5370783 Electrode  
An electrode is disclosed which is particularly useful as a reference electrode in cathodic protection systems. In any reference electrode or half cell, its continued stability is predominantly...
5298794 Electrical anticorrosion device for marine propulsion device  
This invention primarily relates to an electrical anticorrosion device for a marine propulsion arrangement. More particularly, the invention relates to a cathodic protection arrangement which is...
5241301 Device and method for real-time monitoring of accidental damage to the protective covering of underground or immersed metal structures or pipelines  
A method for monitoring damage to the protective covering of immersed or underground metal structures subjected to cathodic protection, based on the electrical resistance offered by said covering,...
5225058 Control and automatic regulation device for cathodic protection systems in reinforced concrete structures  
Device for the control and regulation of the feeding unit (60), as well as for monitoring of impressed current cathodic protection systems in reinforced concrete in order to avoid any risks of...
5176807 Expandable coil cathodic protection anode  
A cathodic protection system for a tank has an anode which comprises a long extendible coil of wire of a valve metal coated with a suitable electrically conductive ceramic material. The coil...
5126654 Non-invasive, high resolution detection of electrical currents and electrochemical impedances at spaced localities along a pipeline  
Electrical current distribution in the soil surrounding a buried pipeline is detected by applying an AC electrical potential between the pipe and a buried electrode spaced from the pipe. The...
5098543 Cathodic protection system for a steel-reinforced concrete structure  
A catalytically-coated valve metal reference electrode is used to measure the potential of reinforcing members in concrete in a system to cathodically protect the same.
5087873 Non-invasive, high resolution detection of electrical currents and electrochemical impedances at spaced localities along a pipeline  
Electrical current distribution in the soil surrounding a buried pipeline is detected by applying an AC electrical potential between the pipe and a buried electrode spaced from the pipe. The...
4957616 Tube sheet with reference electrode  
A tube sheet with an attached reference electrode is provided for use in heat exchangers and condensers. The reference electrode includes a bolt, one or more elastomer cylinders placed over the...
4950372 Cathodic protection system using carbosil anodes  
An automotive cathodic protection apparatus applies direct current to an integrated circuit timer and power controller, which generates timed output pulses. An output charge storing capacitor...
4798658 Device for the cathodic corrosion-protection of metal parts  
A device for the cathodic protection of metal parts in which electrodes and voltage source are used to charge positively an electrolyte in relation to the metal surface which is to be protected....
4795539 System and use thereof for collecting chemical-physical, electrochemical and mechanical parameters for designing and/or operating cathodic protection plants  
System for collecting chemical-physical and electrochemical parameters for designing and/or operating cathodic protection systems applied to steel structures exposed to corrosion. The system...
4627905 Monitor assembly for monitoring anodic corrosion protection of carbon steel vessels  
A monitor assembly is provided herein for monitoring the effectiveness of anodic protection of a carbon steel vessel containing a corrosive liquor, e.g. pulp digesters. The monitor has two...
4526667 Corrosion protection anode  
A cathodic protection system for protecting a metallic structure (16,74) from corrosion caused by current flowing between the structure and surrounding environment includes a non-ionized metal...
4525263 Method for cleaning a corrosion protection anode  
A cathodic protection system for protecting a metallic structure (16, 74) from corrosion caused by current flowing between the structure and surrounding environment includes a non-ionized metal...
4489277 Cathodic protection monitoring system  
An apparatus for monitoring a cathodic protection system on a structure which is positioned in water such that a portion of the structure is beneath the surface of the water, such apparatus...
4481474 Device for measurement of the potential with respect to the soil of a cathodically protected metallic structure  
A measuring device for measuring the potential, relative to the earth, of a metallic structure buried in the earth, and cathodically protected by an externally applied DC voltage. The measuring...
Matches 1 - 50 out of 89 1 2 >