Patents in Class 205/734

Matches 1 - 50 out of 98

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Match	Document	Document Title
1	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...
2	7520974	Cathodic protection of a concrete structure having a part in contact with a wetting medium and a part above the medium Corrosion of steel in a concrete structure such as a column in sea water occurs primarily at the zone which is subject to a wetting and drying action and is inhibited using cathodic protection by...
3	RE40672	Cathodic protection of concrete An existing concrete structure is restored by embedding sacrificial anodes into the concrete layer at spaced positions over the layer and connecting the anodes to the reinforcing members to provide...
4	7488410	Anode assembly for cathodic protection The deterioration of reinforced concrete structures by galvanic corrosion adversely affects roads, bridges, parking garages and buildings that use reinforcing steel in their construction. Galvanic...
5	7459067	Semi-permanent reference electrode A semi-permanent reference electrode for use in monitoring and measuring metals in field applications, such as cathodic protection. This electrode has an outer electrode body with a cap and porous...
6	7338591	Method for the cathodic prevention of reinforcement corrosion on damp and wet marine structures A method is described for preventing and comabating corrosion on semi-dry, moist and wet concrete marine structures, comprising that, against the surface of the structure to be protected on a...
7	7332069	Cathodic corrosion protection powder coating composition and method The present invention provides a curable cathodic corrosion protection powder coating, which comprises a thermosetting resin, a zinc borate compound, a curing agent in an amount effective to cure...
8	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...
9	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...
10	7279087	Method for protecting metal-containing structures, deposited on substrate against corrosion A method for protecting metal-containing structures, in particular electrically conductive structures, deposited on a substrate, against corrosive attacks, in particular electrocorrosion attacks....
11	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...
12	7264708	Cathodic protection system using impressed current and galvanic action Cathodic protection of steel in a building or other concrete or similar structure is provided by locating an anode in a suitable location adjacent to the steel and providing an impressed current...
13	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...
14	7226532	Cathodic protection of steel within a covering material Cathodic protection of an existing concrete structure, including a steel member at least partly buried, such as steel rebar, in the concrete structure, is provided by embedding anodes into a fresh...
15	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...
16	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...
17	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...
18	7160433	Cathodic protection system The cathodic protection system of a concrete structure ( 22 ) uses sacrificial anodes such as zinc, aluminum and alloys thereof embedded in mortar. A humectant is employed to impart high ionic...
19	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...
20	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...
21	6916411	Method for electrically controlled demolition of concrete A method to demolish concrete that comprises electrically connecting rebar disposed within the concrete to a power supply, electrically connecting a counter electrode within electro-osmotic...
22	6896791	Method of treating corrosion in reinforced concrete structures by providing a uniform surface potential The present invention provides a method of inhibiting or preventing corrosion of reinforced steel in concrete by eliminating the differences in surface potentials that result in the total...
23	6890420	Semiconductive polymeric system, devices incorporating the same, and its use in controlling corrosion A semiconductor system is provided that uses semiconductive organic polymers, electronics and semiconductor technology to provide a wide array of semiconductor components and a system of preventing...
24	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,...
25	6685822	Process for the protection of reinforcement in reinforced concrete The invention provides a reinforced concrete having improved corrosion resistance in which the content of voids in the concrete at the surface of the steel reinforcement is below 0.8%, preferably...
26	6627065	Liquid galvanic coatings for protection of imbedded metals Coating compositions and methods of their use are described herein for the reduction of corrosion in imbedded metal structures. The coatings are applied as liquids to an external surface of a...
27	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...
28	6569296	Ladder anode for cathodic protection of steel reinforcement in atmospherically exposed concrete A grid anode for cathodic protection of steel reinforced concrete structures formed of multiple valve metal strips including multiple electric current-carrying valve metal strips. Valve metal strip...
29	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...
30	6551491	Method and system of preventing corrosion of conductive structures A system for preventing corrosion of a surface of a metal structure in contact with a corrosive environment comprising: (a) a semiconductive coating in conductive contact with at least part of the...
31	6524466	Method and system of preventing fouling and corrosion of biomedical devices and structures A system for preventing corrosion and/or fouling of a surface of a biomedical device in contact with a corrosive environment comprising: (a) a semiconductive coating in conductive contact with at...
32	6524465	Method of supplying electric current to prestressed concrete A method of electrochemical treatment of prestressed concrete which comprises supplying a direct current between a steel embedded in the prestressed concrete as a cathode and an anode on the...
33	6425997	Process for removal of chloride ions from steel surfaces A process for removing chloride ions from steel surfaces and measuring the amount present on the steel surface being tested employs a high frequency waveform alternating current treatment as a...
34	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...
35	6387244	Cathodic protection of reinforced concrete with impregnated corrosion inhibitor A steel-reinforced structure supplied with an aqueous solution of an inhibitor for the strucutre, is further protected against deterioration when an impressed cathodic current is applied;...
36	6383364	Method for cathodic protection of reinforced concrete There is described a method of cathodic protection, electrochemical chloride extraction and realkalisation in reinforced concrete or similar materials, and also reinforcement and crack prevention...
37	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...
38	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...
39	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...
40	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...
41	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...
42	6258236	Process for the electrochemical treatment of concrete A process for the electrochemical realkalization of reinforced concrete comprises passing a direct electric current between an anode associated with a layer of alkaline electrolyte applied to an...
43	6254743	Expanded titanium metal mesh This invention relates generally to an electrically conductive valve metal mesh of extreme void fraction. More particularly the invention relates in a most important aspect to an application...
44	6238545	Composite anode, electrolyte pipe section, and method of making and forming a pipeline, and applying cathodic protection to the pipeline An anode is embedded in an electrolyte layer applied to the surface of a structure such as a pipe section to provide an ionic conductive path between the anode and structure to supply cathodic...
45	6224743	Cathodic protection methods and apparatus Apparatus, compositions and methods provide cathodic protection to a structure by placing an anode layer (10) directly between the structure (22) and its underlying foundation (30). Structures...
46	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...
47	6193857	Connector for use in cathodic protection and method of use Cathodic protection of concrete-reinforcing steel reinforcing elements is accomplished utilizing an anode of a metal (e.g. zinc) having a more negative electrical potential than the steel...
48	6183624	Restoration of concrete decks Restoration of a concrete roadway is effected by application onto the upper surface of the roadway of steel sheets which are used as an anode for electrolytic transfer of ions between the anode and...
49	6120675	Electrochemical method and electrode An electrochemical electrode of a tube of porous titanium suboxide with a contact connection to an electrical supply.
50	6056867	Ladder anode for cathodic protection A flexible, nonstretchable, titanium, ladder anode for cathodic protection of steel reinforced concrete structures formed of multiple titanium strips including multiple electric current-carrying...

Matches 1 - 50 out of 98

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