Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7998321 | Galvanic anode for reinforced concrete applications An improved sacrificial galvanic anode assembly for cathodic protection of a steel reinforced concrete structure. A galvanic cathodic protection device uses a multi-layered embedded sacrificial anode such as zinc covered with a flexible layer of paste to provide a c... | 08/16/2011 |
| 7438787 | Impressed current cathodic protection system for marine engine A cathodic protection system has electrodes disposed in a coolant passage of an engine filled with a conductive coolant. The electrodes are electrically insulated from the engine. A power supply device provides for a protective electric current to form from the elec... | 10/21/2008 |
| 7431809 | Electrode for a cathodic protection device An electrode for a cathodic protection device that has one or more electrode bodies formed of a conductive wire. The electrode includes a pair of films made of an insulating material which are bonded to each other while sandwiching the electrode body therebetween. P... | 10/07/2008 |
| 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 |
| 7329336 | Stabilizer with cathodic protection A cathodic protection system for protecting an underwater structure includes a plurality of blocks which are capable of conforming to various structures. Each of the blocks include: a flexible wire rope, the rope constructed and ar... | 02/12/2008 |
| 7258780 | Corrosion protection apparatus and method An apparatus and method for protecting a structure from corrosion, according to which the apparatus includes two pivotally connected members, at least one anode device connected to at least one of the members, and a resilient component engaged with the members. ... | 08/21/2007 |
| 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 |
| 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 |
| 7182852 | Cryogenic tank testing method including cathodic protection The present invention provides a method of testing a cryogenic metal tank before it is put into service, in which said method said tank (1) is filled with water and appropriate measurements are performed where necessary, the method being characterized in that... | 02/27/2007 |
| 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 |
| 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' seawater or compensated fuel tanks. The system includes reference half-cell... | 05/24/2005 |
| 6858117 | Cathodic protection device for flexible pipes The flexible pipe comprises a plastic sealing sheath and an inner plastic sheath which define an annular space in which structural elements are placed. The structural elements comprising at least one armor ply consisting of metal wires wound helically with a long pi... | 02/22/2005 |
| 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 |
| 6461082 | Anode system and method for offshore cathodic protection A cathodic protection system for offshore structures includes an elongated electrode carrier, such as a pipe, with a plurality of sacrificial anodes attached, that is placed on the ocean floor and electrically connected to the structures to be protected. ... | 10/08/2002 |
| 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 |
| 5185921 | Method of making a string of cathodic protection anodes A tubular anode includes an electrical connector formed of a diagonally split two-part generally cylindrical slug. The diagonal slit provides an elliptical wedge interface between the two parts and a jack screw is threaded in one part and extends through ... | 02/16/1993 |
| 5080773 | Ground electrode backfill A low resistance non-permeable backfill especially for use in vertical anode beds for the cathodic protection of subsurface metallic structures includes a mixture of portland cement, calcined fluid petroleum coke, micro-size carbon rods and high structure... | 01/14/1992 |
| 4798657 | Cathodic protection system A protective apparatus adapted for limiting corrosive effects of a liquid stored in a metallic storage tank. The apparatus includes anode means for carrying an impressed current to produce an electrolytic effect and inhibit corrosive interaction between t... | 01/17/1989 |
| 4740106 | Impressed current cathodic protection of off-shore platforms utilizing the tensioned anode ropes system The present invention concerns a system for cathodic protection of off-shore structures, by the impressed current method, which system comprises tubular anode assemblies (1, 1') coaxially applied onto power supply cables (4), supported by ropes (5) tensio... | 04/26/1988 |
| 4526666 | Method for electrically connecting non corrodible anodes to the corrodible core of a power supply cable The invention relates to an improved method to connect one or more non corrodible, valve metal anodes whose surface has been activated by a deposit of non passivatable material, to a power supply cable, insulated by a sheath of rubber or other elastomeric... | 07/02/1985 |
| 4519886 | Method of making electrical connection to an anode An advantageous anodic structure, particularly useful for cathodic protection of metal structures having a large linear extension, is made of an insulated power cable having suitable terminal at least at one end for the electrical connection to the positi... | 05/28/1985 |
| 4515669 | Anode and connection A tubular anode such as tubular cast iron, magnetite, graphite, carbon or steel may be provided with an easily made internal or center connection having assured uniform resistance characteristics by the employment of at least two diametrically opposed wed... | 05/07/1985 |
| 4452683 | Anodic structure for cathodic protection An advantageous anodic structure, particularly useful for cathodic protection of metal structures having a large linear extension, is made of an insulated power cable having suitable terminal at least at one end for the electrical connection to the positi... | 06/05/1984 |
| 4267029 | Anode for high resistivity cathodic protection systems An improved anode is disclosed for high resistivity, cathodic protection systems in which D. C. current is impressed from the anode. The anode includes a cable comprising a conductor with an insulating jacket, with a mesh or expanded metal sheet of platin... | 05/12/1981 |
| 4136001 | Non-sacrificial anode and water heater construction Non-sacrificial anode for use in a hot water heater has a single elongated electrically conductive wire extending within the interior of the water heater tank. Anode distribution points made of platinum coated tantalum are attached to the conductive wire ... | 01/23/1979 |
| 3978309 | Sacrificial, shaped anode and method of constructing same A shaped, sacrificial anode for water tanks and a method of constructing the same from extruded sections is disclosed, particularly an anode having a greater mass adjacent to regions of the tank where improved corrosion protection is needed.... | 08/31/1976 |
| 3954591 | Ice free self-releasing water tank anode suspension system An apparatus is provided for use as a suspension device for suspending one or more anodes and one or more reference cells inside metallic water tanks as a portion of a cathodic protection system for the water tank for the inhibition of corrosion in the ta... | 05/04/1976 |
