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4434039 |
Corrosion protection system for hot water tanks
Protection from corrosive effects of water in hot water tanks is provided by an electrochemically active noble metal type anode disposed in the hot water tank and supplied by a selected level of...
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4401530 |
Electrode
A 3-dimensional electrode having substantially coplanar and substantially flat portions and ribbon-like curved portions, said curved portions being symmetrical and alternating in rows above and...
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4391693 |
Chlorine cell design for electrolyte series flow
Chlor-alkali electrolytic membrane cells are provided with means for flowing catholyte from cell-to-cell sequentially, and means for flowing anolyte from cell-to-cell sequentially.
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4389289 |
Bipolar electrolyzer
A bipolar diaphragm electrolyzer particularly suitable for electrolysis of alkali metal halide aqueous solutions wherein the bipolar wall separating the electrode compartments is formed of at least...
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4374721 |
Roll having low volume resistivity for electroplating
A roll for electroplating having low volume resistivity is provided which consists essentially of, in wt %, below 0.1% C, below 1.5% Si, below 1.5% Mn, 14% to 21% Cr, 13% to 20% Mo, below 6% Fe,...
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4356075 |
Rigid dangler assembly for electroplating barrels
Rigid dangler cathode assemblies for use in a conventional, rotatable electroplating barrel are disclosed which remain relatively stationary in position within the barrel as the barrel is rotated...
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4340624 |
Electrochromic display device
An electrochromic display device comprising a pair of electrodes which are disposed with a specified space therebetween, at least one of the electrodes being transparent, and a non-aqueous...
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4339316 |
Intermediate layer for seating RHM tubes in cathode blocks
A cathode for an electrolytic cell operated at elevated temperature, the cathode comprising a refractory hard metal (RHM) body embedded in a carbonaceous base. The cathode is provided with an...
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4279729 |
Anode and method of construction
An anode having an elongated body which may be extruded contains a bore extending at least partially through the body. The bore has an intermediate portion between the ends of the anode. A lead...
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4268371 |
Cable guide for a tubular anode
A cable guide for an impressed current tubular sacrificial anode is a cable conduit sized to enclose and hermetically seal an anode cable and a plurality of spacers removably mounted along the...
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4265717 |
Method and apparatus for protecting electrodes from thermal shock during start up
Method and apparatus for protecting electrodes of an electrolytic cell from thermal shock when the temperature of the cell is raised from room temperature to an elevated operating temperature. For...
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4248682 |
Carbon-cloth-based electrocatalytic gas diffusion electrodes, assembly and electrochemical cells comprising the same
This disclosure is concerned with improved thin gas diffusion electrodes comprising open pore carbon cloth substrates provided with a uniform mixture of catalytic carbon particles and preferably...
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4240882 |
Gas fixation solar cell using gas diffusion semiconductor electrode
A gas diffusion semiconductor electrode and solar cell and a process for gaseous fixation, such as nitrogen photoreduction, CO 2 photoreduction and fuel gas photo-oxidation. The gas diffusion...
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4211627 |
Permionic membrane electrolytic cell
Disclosed is an electrolytic cell having an anode unit, a cathode unit substantially parallel to and spaced from the anode unit with individual cathodic elements therein, and a permionic membrane...
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4194960 |
Electrical connection for electrodes
A method of connecting an electrical lead to an electrode is provided wherein the connection is mechanically tight and is protected from chemical attack. The electrical lead and a slug of...
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4177128 |
Cathode element for use in aluminum reduction cell
An improved cathode element for use in a metal, e.g., aluminum reduction cell, said cathode element comprising an elongated hollow body, the lower end of which is affixed to or imbedded in the...
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4173525 |
Electrolytic cell for electrolysis of sea water
An electrolytic cell for electrolysis of sea water comprising a housing having an opening at the bottom and top of the housing for in-flow of sea water and out-flow of electrolyzed sea water,...
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4172023 |
Protective electrode sleeve
A sleeve or collar for protecting the iron pin of an anode connecting rod set in the carbon anode block used in the electrolytic production of aluminum is made out of aluminum or aluminum alloy...
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4145270 |
Method of, and apparatus for drying damp basements
In a method and apparatus for drying damp basements by electroosmosis, the inner surface of the basement walls are coated with a plaster or multi-layered coating of an electrically conductive...
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4139449 |
Electrolytic cell for producing alkali metal hypochlorites
A process for producing an alkali metal hypochlorite which comprises electrolyzing an aqueous solution of an alkali metal chloride in an electrolytic cell including a plurality of unit cells, each...
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4137144 |
Hollow bipolar electrolytic cell anode-cathode connecting device
An improved hollow bipolar electrode unit for use in an electrolytic cell is disclosed, comprising at least one connecting device within the hollow region of the electrode unit to provide...
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4134806 |
Metal anodes with reduced anodic surface and high current density and their use in electrowinning processes with low cathodic current density
Describes an electrochemical process operated at relatively low cathodic current density and high anodic current density, particularly for electrowinning and electrorefining processes using...
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4111781 |
Dangler assembly for electro-chemical apparatus
A cathode for an electro-chemical apparatus, such as an electroplating barrel, is provided with a contactor removably attached to the end of the electrical conductor cable in order to be discarded...
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4107024 |
Electrolytic cell with electrodes arranged as a hexagon
An electrolytic cell for use in various electrolytic treatments such as the sterilization of sea water includes a plurality of monopolar bar type electrodes, and an electrolytic solution filled in...
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4096051 |
Tubular anode for cathodic protection
Sacrificial tubular anode structures having a generally centrally located connection. This design gives a uniform metal consumption pattern, thus protecting the electrical connection from premature...
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4090939 |
Electrolytic diaphragm cell
A diaphragm cell for use in the electrolysis of an aqueous solution of alkali metal chloride. The cell is provided with a chamber divided by a diaphragm into an anode compartment having at least...
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4064031 |
Electrolyzer
The proposed electrolyzer comprises at least two electrodes having current-distribution supports, whereupon there are mounted electrode members. In said electrolyzer, at least one of the electrodes...
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4059493 |
Anode, anode basket and method of packaging anodes
An anode configuration, anode basket and method of packaging anodes within the basket.
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4052284 |
Apparatus for electrochemically forming a plurality of articles
An improved apparatus for forming a plurality of airfoils or other articles includes a plurality of pairs of electrodes which are utilized in the electrolytic removal of material from opposite...
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4048048 |
Apparatus for making a memory wire
Synchronous plating techniques for reducing adjacent bit disturb charactetics or interactions in a magnetic memory wire include the step of sinusoidally and smoothly depositing the magnetic layer...
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RE29370 |
Thermoplastic film production
In a process for extruding thermoplastic film means are provided for maintaining substantially free from deposit a wire electrode which is used to deposit an electrostatic charge on to the upper...
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4031615 |
Method of making cathodes
The invention concerns an improved method of interconnecting carbon blocks intended for the construction of cathodes in cells for electrolysis of aluminum and the steel bars which connect these...
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4029928 |
Electro-erosion machine tools
In order to machine a multidimensionally curved surface on a workpiece using an electro-erosion, i.e. spark erosion or electro-chemical erosion, machine tool, the machine tool is provided with a...
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4013538 |
Deep submersible power electrode assembly for ground conduction of electricity
An underground electrode adapted for ground conduction of electric current in an environment of saline and oleaginous fluids and under high hydrostatic pressure comprises a hollow tubular electrode...
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4013537 |
Electrolytic cell design
An electrolytic cell is divided into two compartments by an electrolyte separator. Each compartment contains an electrode which has a surface adjacent the separator. These surfaces each comprise at...
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3994794 |
Sacrificial anode
A sacrificial anode and a protective coating for cathodically protecting a pipeline against corrosion especially in underground installation. The preferred anode includes a tubular shell of...
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3994795 |
Sacrificial anode
Fracturing of arcuate anode segments per se or of an anode section of a sacrificial anode during installation of bracelet-type anodes about a pipeline to be cathodically protected is minimized....
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3988220 |
Process for electrolyzing brine in a bipolar electrolytic diaphragm cell having friction welded conductor connector means
A bipolar electrolytic diaphragm cell is disclosed having a low resistance conductor/connector between the cathodes of one cell and the anodes of the next adjacent cell. The conductor/connector,...
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3974051 |
Production of hypochlorite from impure saline solutions
The formation of hardness-caused deposits on the cathodic surfaces of cells used in the electrolytic production of hypochlorite from impure saline solutions is reduced and good current efficiencies...
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3972306 |
Coil shaped developing electrode for a copying machine
A copying machine which produces one or more copied sheets by utilizing an electronic photographic method, wherein a coil shaped developing electrode is provided close to the traveling path of the...
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3960699 |
Self supporting electrodes for chlor-alkali cell
Segmented electrodes for use in electrolytic filter press cells obviate and reduce the problems of current distributions attributable to poor bipolar electrical connections, and electrode flatness....
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3948744 |
Flush mounted corrosion electrode
An electrode useful in measuring rate of corrosion at the inside surface of a conduit containing a corrosive atmosphere is designed to be inserted in the wall of the conduit and mounted flush with...
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3947344 |
Inert anode
An anode made essentially as a plate of a ferrosilicon alloy having a wire-made structural base, the wire being fastened on a metallic bar which also carries also a current lead-in. Such a...
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3941676 |
Adjustable electrode
An adjustable electrode for use in electrolytic cells is provided. The electrode comprises two electrode surfaces positioned in parallel and having a space between them. A rotatable element is...
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3929609 |
Method and apparatus using solid sensor electrode
A noble metal-glass composite is screen printed on an inert substrate such as a low alkali glass and fired to provide a solid sensor electrode.
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3919068 |
System stabilizer
A fluid stabilizer rod consists of an alloy of copper, zinc, nickel and tin adapted to be installed in a fluid conduit and to have a fluid flowing thereover. The rod is generally elongated and...
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3919071 |
Seal for anode stems in an electrolysis cell
A unitary flexible gas-tight seal is provided between the stationary cover of an electrolysis cell and each anode stem which is of current carrying material. The seal comprises a ring plug of...
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3909388 |
Self-controlled spring-actuated tool advance for electrochemical machining
A device used in an electrochemical machining trepanning operation wherein hollow electrode comprises two longitudinally adjacent segments. Attached to one of the segments are a plurality of spacer...
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3894925 |
Electrode for electrical machining
An electrode for the electrical machining of a conductive workpiece by ECM or EDM defines a space with the holder through which a coolant is circulated to limit thermal deformation in use. The...
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3894929 |
Electrochemical mining apparatus
An electrode assembly is described for use in direct electrochemical extraction of metal values from subterranean sulfide ore deposits. The electrode assembly is designed for insertion into a well...
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