Quotables
"Telephone, n. An invention of the devil which abrogates some of the advantages of making a disagreeable person keep his distance. "
Ambose Bierce
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7883608 | Cathodic protection systems A cathodic protection system wherein a metal structure is electrically connected to a sacrificial anode through a self encapsulating wire connector that can be assembled by unskilled persons and can be maintained in a protective condition around an electrical juncti... | 02/08/2011 |
| 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 pair of axially spaced protection electrodes mounted to its interior ... | 10/14/2008 |
| 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 parameter test station providing a full time voltage readout, powered... | 09/16/2008 |
| 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 immersion in a corrosive environment comprises a plurality of castings (... | 05/20/2008 |
| 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 automotive or truck application. The central body incorporates a flange wit... | 10/23/2007 |
| 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 the concrete layer at spaced positions over the layer and connecting... | 10/02/2007 |
| 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 structure, and status of current tester power supply is disclosed. ... | 09/04/2007 |
| 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 through a container at least partially buried in the ground, such that t... | 06/26/2007 |
| 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 induced by direct or indirect application of electrical waveforms ha... | 04/03/2007 |
| 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 the electrode assembly to a cable, and an insulated electrical connec... | 03/13/2007 |
| 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 the earth's surface, the MACM periodically obtaining measurements of a... | 03/13/2007 |
| 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 direct current positive (+) output terminal for electrical connectio... | 03/06/2007 |
| 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 permanent anode, external to the metallic housing, coupled to the cathodic... | 01/30/2007 |
| 7147768 | Electrochemical scale inhibition A process of reducing scaling of a metal surface exposed to an aqueous solution from which scale may form after a period of exposure. The process comprises applying a cathodic potential to the surface for at least some of the period of exposure. In some cases, e.g. ... | 12/12/2006 |
| 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 delamination of the samples. In particular, the method and test apparatus i... | 11/28/2006 |
| 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 having a first end and a second end. First and second removable pressure... | 07/25/2006 |
| 6958116 | Cathodic protection system The present invention relates to a method of and an apparatus (20) for cathodic protection of reinforced concrete using discrete anodes (22) in or on the reinforced concrete member (14) to improve performance and service life of the discrete ano... | 10/25/2005 |
| 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 components buried in a common electrolyte and electrically connected to each o... | 10/18/2005 |
| 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 predetermined distance from an exposed exterior surface of the sacrificial ano... | 08/23/2005 |
| 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 sandwich construction that includes a dimensionally stable electrode,... | 04/19/2005 |
| 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 terminal of a source of DC voltage (battery) are grounded. The positive ter... | 04/05/2005 |
| 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, adapted to protect test stands, valve sites, metering stations, pig launche... | 03/15/2005 |
| 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 Sn including the pipeline 1 and one of the anodes 2 is set up and appropriate si... | 12/28/2004 |
| RE38581 | 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 with the negative output terminal of each source connected to a separate... | 09/14/2004 |
| 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 tank. A relief passage extends through the plug, and an anode seals the r... | 08/03/2004 |
| 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 plurality of louvers defining a plane or planes at the later... | 05/13/2003 |
| 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 arc spraying onto the material. The alloy contains 88% al... | 04/29/2003 |
| 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 battery adapted to mount to the cementitious structure at ... | 02/12/2002 |
| 6332971 | Electrochemical treatment of reinforced concrete Electric current of about 1 A/M2 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 electrode.... | 12/25/2001 |
| 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 terminal of a source of DC voltage (battery) are grounded. The p... | 12/18/2001 |
| 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 electrolyte solution having a pH which is maintained sufficientl... | 10/16/2001 |
| 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 with the negative output terminal of each source connected to... | 05/01/2001 |
| 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 underground or underwater pipeline or flow line is disclosed. Th... | 03/13/2001 |
| 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 used to monitor the voltage potential at a location in the ... | 02/06/2001 |
| 6033553 | Cathodic protection system The present invention relates to the field of cathodic protection of reinforced concrete. A conductive metal is thermally applied onto an exposed surface of the concrete in an amount effective to form an anode on the surface. This establishes an interface... | 03/07/2000 |
| 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 electrolyte solution having a pH which is maintained sufficientl... | 02/08/2000 |
| 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 conductive corrodible metal; providing a corrosive enviro... | 10/19/1999 |
| 5902463 | Submersible anode and method An anode and mounting bracket assembly is designed to seat quickly and easily on cylindrical or tubular underwater structures. The anodes span between end plates which include notches or recesses in which the tubular structure seats. The recesses include ... | 05/11/1999 |
| 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 non-conductive jacket formed of mating shell halves is lined along... | 02/03/1998 |
| 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 system includes using a structure having an exposed zinc-cont... | 07/01/1997 |
