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7585397 |
Automatic potential control cathodic protection system for storage tanks
A novel cathodic protection system is provided that automatically controls and adjusts the voltage potential between an anode and a structure to protect the structure from corrosion. The cathodic...
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7582195 |
Cathodic protection system for non-isolated structures including a microprocessor control
An active cathodic protection system, the apparatus comprising a rectifier element with at least one electrical connection to a source of electrical current, the rectifier element associated with a...
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7540946 |
Plating apparatus
A plating apparatus for plating a substrate comprises a power supply for generating a voltage between a pair of terminals; an anode connected to one terminal of the power supply; a main cathode...
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7422666 |
Photovoltaically powered cathodic protection system for automotive vehicle
A photovoltaically powered cathodic protection system for an automotive vehicle uses electrical energy arising from a photovoltaic array positioned upon an exterior surface of the vehicle, with the...
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7410563 |
Method and apparatus for preventing corrosion of contact
A method for preventing corrosion of a contact, includes comparing a potential of a signal line connected to the contact with a predetermined potential corresponding to the corrosion of the...
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7387713 |
Resistored anode construction
A sacrificial anode assembly operative to inhibit corrosion in the metal tank portion of a water heater includes a cylindrical metal anode member having an end retained within a tubular,...
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7318889 |
Apparatus, system and method for extending the life of sacrificial anodes on cathodic protection systems
An apparatus, system, method and computer program product directed to controlling corrosion of a conductive structure in contact with a corrosive environment and electrically connected to one or...
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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...
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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...
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7189319 |
Axial current meter for in-situ continuous monitoring of corrosion and cathodic protection current
First and second axial current meters (ACM) are mechanically connected to a well casing just above and below a corrosive zone and a master axial current meter (MACM) is connected to the casing at...
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7186321 |
Cathodic protection system for metallic structures
An active cathodic protection system, the apparatus comprising a rectifier element with at least one electrical connection to a source of electrical current, the rectifier element associated with a...
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7081187 |
Internal cathodic protection system
A cathodic protection system for internal surfaces of a pipeline is provided which includes a flexible anode assembly having a first and a second end and having at least one flexible anode wire...
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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...
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6998031 |
Electrode
An electrode comprises an elongate hollow tube made of porous titanium suboxide the inside wall of which is contacted at spaced apart locations by an electrical conductor so that the current is...
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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...
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6835291 |
Anode monitoring and subsea pipeline power transmission
An anode monitoring system for monitoring the integrity of anodes 2 provided on a metallic structure such as a pipeline system 1 . A signal circuit S n including the pipeline 1 and one of the...
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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...
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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...
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6423208 |
Method and apparatus for lead contamination control
Control of lead contamination in residential water supplies is accomplished by cathodic protection of lead-containing piping and lead-containing fixtures. Specifically, a partially insulated wire...
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6361664 |
Method of reducing corrosion with electrical charge
A vehicle system component is provided with an electrical charge to resist corrosion. Preferably, the electrical charge is generated by movement of components adjacent to the suspension component....
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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...
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6224742 |
Pulsed cathodic protection system and method
A cathodic protection system for protecting buried conducting structures, subject to corrosion such as well casings, pipe lines and the like, utilizes a plurality of pulsed D.C. current sources...
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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...
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6019877 |
Protecting medical electrodes from corrosion
A medical electrode assembly includes an electrically conductive electrode, an electrically conductive sacrificial element, and a layer of electrically conductive gel. The electrode has an...
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5954938 |
Simplified cathodic corrosion protection method and apparatus for metal structure
Mounting an anode on a coated surface of a metal structure exposed to the atmosphere; connecting a cathode to a main body of the metal structure; connecting the anode and the cathode to a solar...
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5627414 |
Automatic marine cathodic protection system using galvanic anodes
An automatic system uses sacrificial galvanic anodes to to provide a controlled and optimum amount of cathodic protection against galvanic corrosion on submerged metal parts. Intermittently pulsed...
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5475902 |
Burial casket incorporating cathodic protection
A cathodic protection system for a burial casket comprises a sacrificial anode rod, nylon sleeves encircling the rod and metal straps positively positioned relative the sleeves and welded to the...
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5335311 |
Modular galvanic current control resistor assembly for mounting on an electric immersion heater
A modular galvanic current control resistor assembly for application to a metallic sheathed heating element of a domestic water heating tank to prevent heating element corrosion includes a circular...
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5334299 |
Water heater having improved sacrificial anode assembly therein
A water heater includes a metal storage tank for holding a quantity of water to be heated. Extending into the interior of the tank is a sacrificial anode assembly operative to inhibit corrosion of...
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5256267 |
Resistored sacrificial anode assembly for metal tank
A sacrificial anode assembly is insertable into a metal water storage tank to inhibit corrosion thereof and includes a cylindrical metal anode member having an end retained within a cylindrical...
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5023928 |
Apparatus for reducing the current drain on the sacrificial anode in a water heater
The sacrificial anode in an electrically-heated water heater is protected against excessive current drain and premature dissolution resulting from the cathodic effect of the metal jacket on the...
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4848616 |
Electric immersion heating unit with readily removable and replaceable galvanic current control resistor
An electric immersion heating unit for use in conjunction with a metallic water heater tank provided with a sacrificial anode has the legs of a U-shaped metallic sheathed heating element extending...
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4786383 |
Cathodic protection system for a water heater tank
A cathodic protection system for a water heater tank incorporating a resistor anode assembly. The steel water heater tank is provided with an opening and an internally threaded spud is secured to...
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4370211 |
Method and apparatus for cathodic protection
Apparatus comprises an anode made of a sacrificial anode metal and at least one member made of a material other than the material of the sacrificial anode metal. A method for determining the state...
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4152228 |
Method for reducing electrolytic interference with metal structures
A parallel galvano-electrolytic current path is provided to conduct a current comprising (i) a portion of the interfering current and (ii) currents arising due to varying degrees of polarization of...
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4093529 |
Resistor anode for metal tank
The present invention is generally related to a new construction for a resistor-type anode. Sacrificial anodes are used in a variety of applications to protect metallic structures from corrosion....
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3477930 |
METHOD AND SYSTEM FOR PREVENTING ELECTROLYTIC CORROSION OF PIPES
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3427468 |
PROTECTIVE GROUND ARRANGEMENT FOR CONTACT LINE POLES
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3360452 |
Cathodic protection system
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3146182 |
Electrolytic system
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3081252 |
Pipe plug anode
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3056879 |
Electric heating element for water tanks and method
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3052946 |
Burial casket
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3012959 |
Device for holding magnesium or other galvanic anodes
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2934485 |
Device and its use for protecting elements against galvanic dissolution
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2903405 |
Corrosion prevention system
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2859165 |
Cathodic protection apparatus
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2826543 |
Mounting means for cathodic protection anodes
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2779729 |
Cathodic protection assembly
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3725225 |
Title is not available
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