U.S. patents available from 1976 to present.
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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 204/279 - Elements


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Elements specialized for carrying out any of the electrolytic
No. of patents: 633
Last issue date: 04/03/2012


                    16  
NumberTitleIssue Date
4076609Electrolysis apparatus
An electrolysis apparatus formed by a stack of cells which are held together by two end-plates connected by tie-rods, wherein a system comprising two kinds of elements provides, firstly, electrical insulation between pairs of adjoining rings and secondly ...
02/28/1978
4072595Anode seal assembly for electrolytic cells
An annular rigid disc and elastomeric annular ring sealing assembly for electrolytic cells with adjustable anode posts. The seal assembly has extended life, less costly construction and easier replacement due to the reduced cross-sectional area of flexibl...
02/07/1978
4069129Electrolytic cell
A filter-press type electrolytic cell comprising alternatively arranged frames and diaphragms fastened together to form alternating anolyte compartments and catholyte compartments, wherein said frames comprise two oppositely disposed hollow members one of...
01/17/1978
4064032Electrolysis cell of modular structure and having bipolar elements
Electrolysis cell having bipolar elements arranged side by side are characterized by an assembly of modules, the cohesion of which is ensured by assembly means from module to module. The cell can be applied in particular to the electrolysis of solutions o...
12/20/1977
4062750Thin film electrochemical electrode and cell
A thin film polarographic oxygen sensor, in which a number of thin film microcathodes are deposited in holes in a thin film layer of silicon dioxide formed on a silicon substrate. A single thin film anode layer is deposited on the insulating layer and is ...
12/13/1977
4060474Electrolytic cell of the diaphragm type comprising a base made of an insulating material
An electrolytic cell of the diaphragm type, for electrolysis of alkali chlorides, is provided having a base comprising an insulating material with the said anode extensions passing through it, connecting means are connected to at least one current cooling...
11/29/1977
4051009Bipolar electrolytic filter press cell frame
A cell frame for a bipolar electrolytic filter press cell includes an electrolysis-associated lower section and a gas disengagement or diverting upper section. A pressure bar extends across the cell frame immediately above the lower section to prevent dis...
09/27/1977
4049529Apparatus with crust piercing and gas feeding means for use with electrolytic furnaces
An apparatus is arranged over the bath of an electrolytic furnace containing molten aluminium. The apparatus has beams with tools which can be raised and lowered in a reciprocal manner to break-up the crust which forms on the top of the molten aluminium. ...
09/20/1977
4048048Apparatus 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 on the outer surface of the wire so as to increase the eff...
09/13/1977
4045323Anolyte sealing, electrical insulating for electrolytic cells
In diaphragm-type electrolytic cells for the production of chlorine and caustic from alkali metal chloride solutions wherein the cell is equipped with one or more metal cathodes and anodes and an electrically conducting and structurally supporting anodic ...
08/30/1977
4040935Protective covering for electrolytic filter press cell frames
Electrolytic filter press cell frames are provided with a polymeric protective covering which is either directly laminated thereonto or otherwise secured thereto. The protective covering is, preferably, a fluorinated hydrocarbon....
08/09/1977
4039420Halate cell top
An improved electolytic cell top for the manufacture of alkali metal halates is disclosed, wherein the cell top has a substantially improved useful life. A titanium liner forms the interior surface of the cell top, and material cost can be minimized by ch...
08/02/1977
4039417Electrode assembly for use in cathodic protection
A cathodic protection electrode is mounted in an iron bushing by way of a ring of alumina or forsterite, the bushing being mounted in a glass-lined metallic vessel, such as a water heater. The electrode comprises a solid solution of MFe2 O...
08/02/1977
4036337One-piece conductor roller for electrolytic processing of strip materials
A roller for the continuous electrolytic processing of metallic or metallized strip materials which is a good electrical conductor is provided with a circuit for cooling fluid. It has two forged flanges each defining a hollow half shaft along a common lon...
07/19/1977
4033848Wafer electrode for an electrolytic cell
Disclosed is an improved wafer electrode for use in an electrolytic cell, having an access tube to direct a fluid across the electrode plate or to remove fluid from near the electrode plate within the cell. Cells employing the subject wafer electrode in a...
07/05/1977
4032424Electrical current breaker for fluid stream
An apparatus for interrupting the passage of electrical current along a mixed stream of gas and liquid....
06/28/1977
4028209Electrolysis cell
An electrolysis cell is provided comprising an anodic bottom, an anode assembly and a cathode assembly, whereby there is provided a hydraulic and electrically insulating gasket assembly between the cathode assembly and a support plate for the anodes, whic...
06/07/1977
4028211Apparatus for automatically replacing electrodes used for electrolytic refining of metal
An apparatus for automatically replacing anodes and cathodes disposed alternately in an electrolytic cell used for the electrolytic refining of a metal. The anodes are each formed with a pair of recesses on opposite edges of the upper end thereof, and a c...
06/07/1977
4026782Electrolysis cell having bipolar elements
The invention relates to an electrolysis cell having bipolar elements, characterized in that the recess between the bipolar elements and the impermeability between any two consecutive electrode frames are ensured by the peripheral surfaces opposite the sa...
05/31/1977
4025413Electrolytic refining of metal
Apparatus for electrolytically refining copper by the series process comprises a tank having an inner surface of an electrically insulating synthetic polymeric material that is substantially inert to an electrolyte solution to be contained in the tank and...
05/24/1977
4014775Diaphragm cell having uniform and minimum spacing between the anodes and cathodes
A diaphragm cell is provided having a continuous net between the anodes and the diaphragm. The continuous net permits the minimum anode-cathode spacing to be employed while maintaining uniform anode-cathode spacing throughout the cell. In addition, the di...
03/29/1977
4013536Electrolytic cell
An electrolytic cell having a base or bottom wall on which are supported sidewalls enclosing the anodes and cathodes within. A seal is constructed between the sidewalls and bottom wall and on which the sidewalls rest. The seal is constructed as a framewor...
03/22/1977
3975255Inter-electrode spacing in diaphragm cells
Inter-electrode spacing in an electrolytic diaphragm cell is controlled by the attachment of a spacer to the anode edge which is closest to the cathode wall. In addition to providing the proper inter-electrode spacing the spacer serves as a guide for the ...
08/17/1976
3972796Electrolytic apparatus
Sodium chloride in aqueous solution is converted to hypochlorite and chlorate by electrolysis in groups of cells whose electrodes are connected to a DC source in series circuit while the electrolyte is pumped through the cells in parallel flow between a d...
08/03/1976
3970539End connector for filter press cell
An end connector for a filter press cell disassociates the mechanical sealing function from the primary electrical connection. The connector includes a boss extension having an aperture formed therein for tightening the connector between the boss and boss...
07/20/1976
3968022Electrolytic cell seal
A seal for preventing passage of fluid through an opening in an electrolytic cell wall through which a conductor for carrying electricity to or from a cell electrode passes includes as elements thereof a portion of the cell wall opening which is tapered s...
07/06/1976
3964989Apparatus for supplying current to a moving strip
Apparatus for supplying current to a moving strip includes a tank having an electrolyte and grids therein. The strip passes through the tank from a roll on the inlet side of the tank. A pair of conductor rolls bear on the strip in spaced apart relationshi...
06/22/1976
3962066Resilient liner for an electrolytic cell
A liner of resilient material formed to fit into an electrolytic cell. The liner is a one-piece layer of polymeric or plastic material impervious to liquid electrolyte. Protrusions are provided on the outer side of portions of the liner to space the layer...
06/08/1976
3960697Diaphragm cell having uniform and minimum spacing between the anodes and cathodes
A diaphragm cell is provided having a continuous net between the anodes and the diaphragm. The continuous net permits the minimum anode-cathode spacing to be employed while maintaining uniform anode-cathode spacing throughout the cell. In addition, the di...
06/01/1976
3960698Electrode support for filter press cells
The central web of a bipolar electrolytic filter press cell has a plurality of nubs projecting therefrom to support the electrode and to maintain their flatness....
06/01/1976
3953315Electrolytic cell construction
An electrolytic cell useful in the oxidation of organic compounds is disclosed. The cell is provided with a unique device for centering or aligning the anode and cathode to provide even current distribution over the cylindrical surfaces thereof, thereby e...
04/27/1976
3948749Aluminum potline shield
A shield or door for openings in the sides of an aluminum reduction pot is constructed from extrusions rolled to a desired curvature and fitted together longitudinally with tongue and groove means. The upper end of the shield is provided with an insulated...
04/06/1976
3945908Liquid seal for chlorine headers
An improved means for sealing the gaseous product header of an electrolytic cell is provided which comprises a water trap positioned below the gas header duct and in communication therewith, a means for draining said water trap positioned in the lower por...
03/23/1976
                    16  
 
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