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| Number | Title | Issue Date |
| 7655116 | Anti-electrolysis system inhibiting the erosion metal objects A system for preventing erosion of metal objects in a swimming pool having chemicals therein includes a metal piece sacrificial anode, which may be of zinc. This metal piece sacrificial anode is contained within a tubular container and placed in a location along the... | 02/02/2010 |
| 7399389 | Corrosion inhibitor dispensing apparatus and methods A corrosion inhibitor dispensing apparatus has a housing with a fluid inlet and a fluid outlet. A first body within the housing comprises a cathodic corrosion inhibitor. A second body within the housing comprises an anodic corrosion inhibitor. ... | 07/15/2008 |
| 7363944 | Sealing mechanism for diaphragm tank A liner for use with a diaphragm tank and a through-wall connector. The through-wall connector includes a passage fitting having a neck and adapted to extend into the diaphragm tank, an o-ring mounted on the passage fitting, and an annular holder mounted on the pass... | 04/29/2008 |
| 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 |
| 7198707 | Apparatus for cathodic protection in an environment in which thin film corrosive fluids are formed and method thereof An apparatus and method for cathodic protection in an environment where thin film corrosive fluids are formed is provided. The apparatus which protects from corrosion an object exposed to the thin film corrosive fluids, by artificially adjusting a potential of the o... | 04/03/2007 |
| 7111668 | Cooling arrangement for an offshore wind energy installation A cooling arrangement for an offshore wind energy installation, having a heat-absorbing device for absorbing heat generated by the electronic devices and/or the mechanical devices of the offshore energy installation, which is to be removed, and a coupled heat-dissip... | 09/26/2006 |
| 7096940 | Centralizer system for insulated pipe A centralizer system is provided for use in a marine riser system with an insulated pipe, which may be a titanium stress joint. The centralizer system utilizes one or more centralizers mounted such that insulation material is provided in an annulus between the one o... | 08/29/2006 |
| 7027957 | Current interrupter assembly A method for determining the influence of one of a plurality of cathodic protection circuits along a pipeline includes switching one of a plurality of cathodic protection circuits off, while the remainder of the plurality of cathodic protection circuits are left on,... | 04/11/2006 |
| 6997660 | Plug and pencil for engine A first portion or plug and a second portion or pencil are provided, for use in a device, such as a marine engine. The first portion or plug may have an outer surface with external threads and a cavity with internal threads. The external threads of the first portion... | 02/14/2006 |
| 6957831 | Nipple for hot water tank conduits A nipple for connection to an outer metal casing of a host water heater for coupling a water conduit to an inner casing of the hot water heater is described. The nipple is a hollow tube having opposed threaded end portions. A thermally insulating sleeve is provided ... | 10/25/2005 |
| 6949184 | Electrical metal ion generating device A device for generating metal ions in an electrolyte. The device comprises a bar of metal that is electrically charged as an anode, surrounded by a tube of stainless steel, which is electrically charged as a cathode. The tube is affixed to a plastic housing that is ... | 09/27/2005 |
| 6922886 | APT-1 (anode placement tool-model 1) An apparatus designed for installing anode bracelets upon pipes used in cathodic protection systems. The apparatus includes a pair of grasp booms which hold the anode bracelet during installation of the bracelet around the pipe to be cathodically protected. The gras... | 08/02/2005 |
| 6495005 | Electroplating apparatus An electroplating apparatus, in accordance with the present invention, includes a plurality of chambers. A first chamber includes an anode therein. The first chamber has an opening for delivering an electrolytic solution containing metal ions onto a surfa... | 12/17/2002 |
| 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 is inserted into lead-containing service lateral piping. Ap... | 07/23/2002 |
| 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 electrical current. The current is also supplied to an anode ... | 07/17/2001 |
| 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 protection to the structure, where the natural environment may... | 05/29/2001 |
| 6103097 | 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 is inserted into lead-containing service lateral piping. Ap... | 08/15/2000 |
| 5837134 | Scale reduction A method and system are disclosed for reducing the scale formation in a hot water reservoir in which a metal element of copper and/or zinc, and preferably brass, is positioned in the hot water in the reservoir.... | 11/17/1998 |
| 5785842 | Corrosion protection monitoring and adjustment system A system for monitoring and alternatively adjusting the electrical energy input and output of remotely located corrosion protection rectifiers on a section of a longer pipeline includes three elements. The first element is a monitoring unit which monitors... | 07/28/1998 |
| 5665221 | Electrical apparatus for controlling liquid contaminants A device is placed in a container containing flowing fluid to neutralize fluid contaminants and prevent their deposition on the walls of the container. The device includes a weak electrical current generator having an electric half-cell that forms an elec... | 09/09/1997 |
| 5470462 | Apparatus for preventing scale formation in water systems Water conditioning apparatus including a housing adapted for connection into a fluid delivery system, the housing having a fluid flow chamber with aligned entrance and exit openings, the chamber having an inner generally tubular surface with inwardly dire... | 11/28/1995 |
| 5373728 | Galvanic anode device and electrolysis control monitor The use of a sacrificial anode in a plumbing system or in the cooling system of an internal combustion engine or the like to protect the system against the destructive effects of electrolysis caused by the many different metals employed in modern plumbing... | 12/20/1994 |
| 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 formed in the top of the tank. The anode is formed having a r... | 05/31/1994 |
| 5217202 | Compressor air tank plug An anti-corrosion plug for closing a threaded condensate drain opening in a compressor air tank. The plug is formed from a material having a lower potential in the electrochemical series than said air tank to prevent electrolytic corrosion of the tank. Th... | 06/08/1993 |
| 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 device being arranged in the vicinity of a coolant intake por... | 05/21/1991 |
| 4940538 | Apparatus for decalcifing water by producing turbulence An inlet nipple and a housing having a water passage extending therethrough that have first, second and third water bore portions of progressively larger diameters in a downstream direction. A variable throttle point is formed by a fixed member and a mova... | 07/10/1990 |
| 4892706 | Automated liquid sterilization system Each of a plurality of modules (A) have fitings (14) with automatically closed check valves (16) therein such that the interior of the module is sealed. The module is selectively interconnected with a sterilizer apparatus (B). Interconnecting tubing (60) ... | 01/09/1990 |
| 4877354 | Pipeline anode Providing circumferential grooves in bracelet-type anodes on a pipeline provides for preservation of anode effectiveness during bending of the pipeline, such as in reeling operations.... | 10/31/1989 |
| 4863578 | Corrodible link for cathodic protection systems In a system for cathodically protecting an underground metallic structure where a sacrificial anode material encasing a metal core is in electrical communication with the structure, the core can be automatically and galvanically disconnected from electric... | 09/05/1989 |
| 4738644 | Outboard motor attachment and method An outboard motor drive shaft housing attachment apparatus includes at least one extended fin plate, having a raised front portion and a pair of angled side portion and an attachment bar shaped to fit an opening in the outboard motor shaft housing. The at... | 04/19/1988 |
| 4731222 | Automated liquid sterilization system Each of a plurality of modules (A) have fittings (14) with automatically closed check valves (16) therein such that the interior of the module is hermetically sealed. The module is selectively interconnected with a sterilizer apparatus (B). Interconnectin... | 03/15/1988 |
| 4692231 | Apparatus for cathodic protection of metal piping According to the present invention a cathodic protection system for metal piping systems and fittings, therefore, is possible which is easy to install and manufacture. The system for fitting uses a unique sacrificial washer or sacrificial nut installed on... | 09/08/1987 |
| 4688828 | Tubing joint for corrosion protection A tubing joint for the corrosion protection of a production string of metal tubes having one or more annular grooves on the surface of the tube for the inclusion of sacrificial metal rings. Preferably, the metal rings are substantially coincident with the... | 08/25/1987 |
| 4626330 | Torsionally installed anode and earth anchor/penetrator A torsionally installed anode for galvanic corrosion protection and a combination torsionally installed anode and earth penetrator is disclosed. The anode may be screwed (i.e., torsionally installed) into the earth (e.g., the seabed, the riverbed, or the ... | 12/02/1986 |
| 4623435 | Backfill for magnesium anodes A backfill composition for use with sacrificial magnesium anodes used in the cathodic protection of ferrous metal structures comprises an anion-releasing material capable of releasing fluoride, phosphate or zincate ions in water-soluble form and a magnesi... | 11/18/1986 |
| 4511444 | Backfill for magnesium anodes A backfill composition for use with sacrificial magnesium anodes used in the cathodic protection of ferrous metal structures comprises an anion-releasing material capable of releasing fluoride, phosphate or silicate ions in water-soluble form and a magnes... | 04/16/1985 |
| 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 of corrosion of an anode is also provided.... | 01/25/1983 |
| 4368448 | Water cooling apparatus for electric circuit elements A water cooling apparatus for an electric circuit element is disclosed in which an internal waterway is connected with an external waterway by a connector with the whole body, the forward end or the inside part of the forward end thereof alone made of an ... | 01/11/1983 |
| 4284488 | Sacrificial anode assembly A sacrificial anode for use in cathodic protection is made in the form of a bracelet which has two parts, each of the parts has a series of anodes connected between a pair of straps and each of the straps of one of the parts is hingedly connected to a cor... | 08/18/1981 |
| 4202751 | Sacrificial anode and apparatus employing same for treating hot sea water A sacrificial anode for use in preventing corrosion of copper alloy parts and hydrogen absorption in titanium or titanium alloy parts of an apparatus useful for treating hot sea water, comprising a metal or metal alloy which maintains the potential of sai... | 05/13/1980 |
