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7648623 |
Protection of reinforcing steel
This assembly provides a flexible method of attaching discrete sacrificial anodes to exposed steel in concrete construction to achieve an advantageous distribution of protection current. It...
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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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7578910 |
Deep well anodes for electrical grounding
Improved deep well grounding systems of the kind used for cathodic protection of ground installations according to the invention employ a combination of materials for the casing of the central...
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7435326 |
Control for galvanic corrosion inhibiting coupling
A pipe coupling for joining two electrolyte-conveying pipes of electrochemically dissimilar metals and inhibiting galvanic corrosion resulting from the dissimilarity. A tubular pipe coupling has a...
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7425249 |
Subsea solar powered test station with voltage readout
Apparatus 10 discloses a subsea monitoring station using solar cells to energize at least one electronic circuit incorporating at least one node having a determinable circuit value or other...
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7374643 |
Composite sacrificial anodes
The invention relates to composite sacrificial anodes, particularly but not exclusively, based on magnesium, and to methods for their production. The composite sacrificial anode ( 10 ) for...
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7285190 |
Corrosion guard
A corrosion guard is provided with a fitting having hose mating stubs extending from a central body, the stubs sized to be insertable in an existing hose of a cooling system as typical in an...
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7276144 |
Cathodic protection
Cathodic protection of a structure including a steel member at least partly buried in a covering layer, such as steel rebar in a concrete structure, is provided by embedding sacrificial anodes into...
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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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7235961 |
Method for managing corrosion of an underground structure
A method for managing corrosion of an underground structure includes placing an anode in the ground and electrically connecting it to the underground structure. Access to the ground is obtained...
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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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7189312 |
Under water cable system having an earthing electrode
An earthing electrode assembly and method for providing a submerged electrical apparatus with an earth path, the electrode assembly having an earthing electrode, an attachment device for attaching...
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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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7169288 |
Methods and systems of cathodic protection for metallic enclosures
Systems and methods of cathodic protection. The system includes a metallic housing, a backplane situated within the metallic housing, a cathodic protection card coupled to the backplane and a...
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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...
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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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7074305 |
Pipeline support
The present invention is directed at a pipeline support for reducing corrosion on a pipeline surface comprising support fill material, a case for housing the support fill material; wherein when a...
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6955746 |
Corrosion-inhibited system and method for providing a utility service to a plurality of consumers
A corrosion-inhibited system for providing a utility service to a plurality of consumers includes a plurality of metallic utility service structures, each utility service structure having...
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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...
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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...
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6875336 |
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...
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6866770 |
Protective ground mat for induced potentials and method therefor
A prefabricated ground mat with cathodic protection adapted to protect persons from induced electrical potentials in a pipe or other electrical conductor buried below a ground-level surface,...
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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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6770177 |
Cathodic protection system for air compressor tanks
A corrosion protection device (“CPD”) for inhibiting corrosion of an air compressor collection tank, and relieving the pressure in the tank when excessive condensate accumulates within the...
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6562229 |
Louvered anode for cathodic protection systems
A metal anode useful in a galvanic or impressed current cathodic protection system for a steel reinforced concrete article is a unitary, multi-plane, porous, metal anode strip or ribbon having a...
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6554992 |
Aluminum alloy exterior coating for underground ductile iron pipe
A corrosion resistance treatment for ductile iron pipe placed in corrosive environments provides a corrosion resistant coating from an aluminum-silicon alloy which is applied by thermal spraying or...
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6346188 |
Battery-powered cathodic protection system
The present disclosure relates to a cathodic protection system for inhibiting oxidation of a reinforcing member disposed within a cementitious structure. The system comprises a compact, autonomous...
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6332971 |
Electrochemical treatment of reinforced concrete
Electric current of about 1 A/M 2 is applied to reinforcement in concrete and the gases released are allowed to pass to the atmosphere via gas permeable set material in a hole alongside the...
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6303017 |
Cathodic protection of reinforced concrete
Reinforcement in concrete is cathodically protected by galvanically connecting a sacrificial anode, such as a zinc or zinc alloy anode, to the reinforcement, and contacting the anode with an...
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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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6200397 |
Method and apparatus for strip anode wrapping for cathodic protection of tubular members
A novel method and apparatus to apply a corrosion protection in the form of a zinc (or other sacrificial anodic material) tape to a tubular member such as pipe or coiled tubing to used as an...
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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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6022469 |
Repair of corroded reinforcement in concrete using sacrificial anodes
Reinforcement in concrete is cathodically protected by galvanically connecting a sacrificial anode, such as a zinc or zinc alloy anode, to the reinforcement, and contacting the anode with an...
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5968339 |
Cathodic protection system for reinforced concrete
The present invention resides in a method for cathodic protection of and/or chloride removal from a reinforced concrete structure. The method comprises the steps of: providing an anode comprising a...
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5714045 |
Jacketed sacrificial anode cathodic protection system
A jacketed anode assembly for use in a sacrificial anode cathodic protection system deployed to impede corrosion of steel or steel reinforcement in pilings or similar supporting columns. A...
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5643424 |
Apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water
A device and method for preventing fouling and/or corrosion of the exposed surfaces of a structure which is in contact with seawater, brackish water, fresh water, or a combination of these. The...
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5505826 |
Hydrophilic anode corrosion control system
A method and apparatus for reducing corrosion on the interior and exterior of a fuel storage tank. A galvanic anode assembly is placed within the interior of or exterior to the fuel storage tank...
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5480521 |
Tendon foundation guide cone assembly and anode
A method of providing a cathodic protection to an installed pile is disclosed in which a plurality of anodes are provided on a tendon foundation guide assembly which is attached to a lowering unit...
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5362921 |
Flexible subsea line
A flexible subsea line includes a number of longitudinal elements including fluid/gas conducting tubes enclosed within a common outer cover. A number of the tubes are made of steel and each of...
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5350494 |
Arrangement for cathodic protection
Arrangement for cathodic protection from corrosion of metal bodies surrounded by an electrolytic medium, comprising a metal anode body which is to be introduced into the medium and has a lower...
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5316641 |
Storage tank internal corrosion prevention anode apparatus and method
An internal corrosion prevention anode device and method for retrofitting an existing fuel storage tank of the type having one or more low points, includes inserting an anode through an opening...
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5169266 |
Corrosion resistant structure for soil reinforcement
Method for the realization of soil reinforcement by means of cathodically polarized stainless steel units fearturing high corrosion resistance. The method applied foresees the use of stainless...
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5139634 |
Method of use of dual bed cathodic protection system with automatic controls
This invention relates to a dual bed cathodic protection system with automatic controls and method of use utilizing an impressed cathodic protection anode assembly powered through a solar power...
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5052962 |
Naval electrochemical corrosion reducer
A corrosion reducer for use with ships having a hull, a propeller mounted a propeller shaft and extending through the hull, bearings supporting the shaft, at least one thrust bearing and one seal....
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5026468 |
Dual bed cathodic protection system with automatic controls
This invention relates to a dual bed cathodic protection system with automatic controls and method of use utilizing an impressed cathodic protection anode assembly powered through a solar power...
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5016585 |
Anticorrosive and rust free system for marine-using engine
An anticorrosive system for preventing marine-using engines comprises an anti-electrolytic corrosive device, including a low potential metal member through which an engine coolant can pass, the...
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5011583 |
Corrosion prevention for a marine propulsion system
A marine propulsion system of the type having a sacrificial anode for corrosion protection of the casing includes structure whereby the propeller is electrically insulated from the casing and the...
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4957461 |
Idling noise silencer for marine propulsion unit
A marine outboard drive including an exhaust system that includes a baffle plate which is disposed across the low speed exhaust gas opening and which defines a plurality of ribs to break up the...
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4915053 |
Method and apparatus for cathodic protection of marine vessels
An improved sacrificial marine anode is adapted for installation on numerous different types of marine vessels. The anode is comprised of a plate of sacrificial metal formed with a pair of...
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