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| Number | Title | Issue Date |
| 7319850 | Low noise block downconverter converting received signal to intermediate frequency signal In a low noise block downconverter converting a right-hand (or horizontally) polarized wave signal and a left-hand (or vertically) polarized wave signal to intermediate frequency signals, one of two filters for removal of interference waves from the intermediate fre... | 01/15/2008 |
| 7077945 | Cu—Ni—Fe anode for use in aluminum producing electrolytic cell A method of producing aluminum in an electrolytic cell containing alumina dissolved in an electrolyte, the method comprising the steps of providing a molten salt electrolyte at a temperature of less than 900° C. having alumina dissolved therein in an electrolytic c... | 07/18/2006 |
| 6919012 | Method of making a composite article comprising a ceramic coating A ceramic coating is formed on a conductive article by immersing a first anodic electrode, including the conductive article, in an electrolyte comprising an aqueous solution of alkali metal hydroxide and an alkali metal silicate, providing a second cathodic electrod... | 07/19/2005 |
| 6478934 | Motorized frame for adjusting the interelectrodic gap in mercury cells The invention concerns a motorized device for adjusting the interelectrodic gap in mercury cathode electrolysis cells, mainly consisting of a frame, to which a number of anodes are suspended, movable in the vertical direction by means of a single jackscre... | 11/12/2002 |
| 6399410 | Method of anodizing silicon substrate and method of producing acceleration sensor A method for anodizing silicon substrate includes forming an n-type silicon embedded layer (21) made of n-type silicon on a predetermined area of a first surface of the p-type single crystal silicon substrate (2). N-type silicon layers (4, 6) are formed o... | 06/04/2002 |
| 5695630 | Method and apparatus for adding mercury ions to a fluid sample This invention relates to apparatus for adding mercury ions to a sample fluid within a flow-through sensor system comprising housing means in fluid connection with a main sample stream conduit via a semi-permeable part (2.11), a first electrode (2.8) loca... | 12/09/1997 |
| 5480528 | Brushless electrodeposition apparatus An apparatus for depositing metal which provides a brushless electrical current continuity between a member, such as an electroforming mandrel or an electroplating rack, and a current source, comprising: (a) an electrode; (b) a member, spaced apart from t... | 01/02/1996 |
| 5472587 | Brushless electroforming apparatus An apparatus is disclosed for depositing metal on a mandrel which provides a brushless electrical current continuity between the mandrel and a current source, comprising: (a) a metal deposition vessel; (b) an electrode disposed in the vessel; (c) a mandre... | 12/05/1995 |
| 5401599 | Non-aqueous electrolyte secondary battery and method of producing the same A non-aqueous electrolyte secondary battery has a negative electrode, a positive electrode and a non-aqueous electrolyte with lithium ion conductivity. A composite oxide produced from a metal or a metalloid and lithium represented by composition formula L... | 03/28/1995 |
| 4973550 | Process for the electrochemical regeneration of co-enzymes A process for the electrochemical regeneration of a co-enzyme, which process comprises the steps of (i) electrochemically oxidizing a medium containing oxidized co-enzyme and biochemically inactive isomers of the co-enzyme to oxidize the biochemically ina... | 11/27/1990 |
| 4668368 | Method and apparatus for extraction of amalgamatable metals from a slurry A metal amalgamatable with mercury, gold in particular, is extracted from a slurry in which it is dispersed in low concentration, in particular from alluvial sands, by contact with mercury the surface of which is continuously freed of the sulfides which f... | 05/26/1987 |
| 4525263 | Method for cleaning a corrosion protection anode A cathodic protection system for protecting a metallic structure (16, 74) from corrosion caused by current flowing between the structure and surrounding environment includes a non-ionized metal anode (18) which exists in a liquid state at the particular p... | 06/25/1985 |
| 4504366 | Support member and electrolytic method Disclosed is an electrolytic cell including means for holding a first electrode in position relative to a second electrode to form an inter-electrode zone of specified dimension for containing electrolyte, wherein the first electrode is held essentially f... | 03/12/1985 |
| 4465560 | Method and device for protecting the anodes of electrolytic cells against overloads, short circuits and unbalances A method for protection against overloads in mercury cathode electrolytic cells, consisting in detecting, in an indirect way, the average currents of the two semicells forming the cell to be protected by measuring the average of the anode potentials of th... | 08/14/1984 |
| 4448660 | Monitoring apparatus A monitoring and control apparatus for flowing mercury electrolytic cells by measurement of the voltage drop in the shunted feed line of each electrode group comprising taps at the ends of a measured section of electrical bus bars for each electrode group... | 05/15/1984 |
| 4440614 | Inlet end box brine pipe baffle In a flowing mercury cathode electrolytic cell for the electrolysis of aqueous solutions there is provided an improved brine flow baffle insertable into the brine inlet trough.... | 04/03/1984 |
| 4427519 | Mercury cathode electrolytic cell having protective shield A protective shield adjacent the electrolyzer container and electrolyzer cover for a flowing mercury chlor-alkali electrolytic cell is provided to serve as a stop to prevent retaining means utilized to hold the electrolyzer cover in position from being pr... | 01/24/1984 |
| 4410403 | Electrolysis method An electrolysis method involving electrolyzing, between anodic and cathodic surface areas, a compound dissolved in a solvent. A liquid cathodic body is located in a region such that it is possible for waves in the body to touch anodic surface area. The im... | 10/18/1983 |
| 4391695 | Coated metal anode or the electrolytic recovery of metals A coated metal anode for the electrolytic recovery of metals is disclosed, whereby the working surface of this anode is represented by rods 4 which are arranged in a plane in spaced, parallel relationship to each other and which are electrically connected... | 07/05/1983 |
| 4323438 | Anode for alkali metal chloride electrolysis In an anode of a cell for alkali metal chloride electrolysis by the amalgam method and comprising a grid-like or net-like level titanium anode surface, optionally current distributing rails, a bridge acting as a primary conducting rail and at least one co... | 04/06/1982 |
| 4283263 | Cover for electrolytic cells An electrolytic cell for electrolysis of an aqueous sodium chloride solution is provided with a closure for its open side which is resistant to degradation by chlorine and ozone. The cover has an external elastomeric layer which is stable when exposed to ... | 08/11/1981 |
| 4251336 | Method for detecting incipient short circuits in electrolytic cells An improved method and apparatus for adjusting the space between an adjustable anode and a cathode in an electrolytic cell wherein current measurements and voltage measurements are obtained for conductors to the anode sets and compared with predetermined ... | 02/17/1981 |
| 4237100 | Isotopic enrichment of uranium with respect to an isotope A process for chemical enrichment of uranium with respect to a lighter one of its isotopes. The process consists in contacting uranium of valence state III and uranium of valence state IV, or a compound of uranium of valence state III and a different comp... | 12/02/1980 |
| 4212721 | Equipment for regulating, monitoring, optimizing and operating, and for displaying data in, alkali metal chloride electrolysis plants Equipment for controlling, monitoring, determining the most effective operating conditions and operating, and for displaying data in, alkali metal chloride electrolysis plants which are operated by the amalgam process, wherein the equipment has, for each ... | 07/15/1980 |
| 4204937 | Novel electrolytic amalgam denuder apparatus An improved process for the production of halogens and alkali metal hydroxide by electrolysis of aqueous solution of alkali metal halides in a flowing mercury electrolysis cell wherein the salt solutions do not have to purified and to novel amalgam denude... | 05/27/1980 |
| 4174267 | Method for detecting incipient short circuits in electrolytic cells An improved method and apparatus for adjusting the space between an adjustable anode and a cathode in an electrolytic cell wherein current measurements and voltage measurements are obtained for conductors to the anode sets and compared with predetermined ... | 11/13/1979 |
| 4152237 | Deflected flow inlet system for mercury cells A deflected flow inlet system for use in mercury-type electrolytic cells to help prevent inlet flow from jumping the inlet channel and splattering the mercury cathode onto the anodes.... | 05/01/1979 |
| 4087343 | Flexible cover of a platy-filled composition for an electrolytic cell A flexible elastomeric cover particularly for an electrolytic cell of the mercury type. The cover has at least one layer comprised of a corrosion resistant elastomeric composition including a vulcanized rubbery polymer to resist deleterious fluids and a m... | 05/02/1978 |
| 4080277 | Short circuit protection for horizontal mercury electrolytic cells An improvement for use in conjunction with the preventing of short circuits in one of a plurality of electrolytic cells and one of a plurality of horizontal mercury cells electrically connected in series with each cell having means for raising a plurality... | 03/21/1978 |
| 4072595 | Anode 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 |
| 4067793 | Automatic remote control system for mercury cells for the production of chlorine and caustic soda In a computer-controlled mercury cell plant comprising a cell room, a mercury cell in the cell room, a control room remote from the cell room, and a central control apparatus including a memorized program digital computer arranged to adjust the height of ... | 01/10/1978 |
| 4055477 | Electrolyzing brine using an anode coated with an intermetallic compound Disclosed is an electrode having an electroconductive substrate and an electroconductive layer on the substrate. The electroconductive layer is an intermetallic compound of a platinum group metal and a transition metal. Also disclosed is a method of elect... | 10/25/1977 |
| 4040932 | Vertical liquid electrode employed in electrolytic cells A vertical liquid electrode is employed in an electrolytic cell used to manufacture chemical products by the electrolytic decomposition of an electrolyte. The cell incorporates the advantages of high current density, high current efficiency, low space req... | 08/09/1977 |
| 4030998 | Anode adjustment An apparatus for detecting the variation from a predetermined value of the current flowing in any one of a set of electrical conductors which comprises a plurality of saturable resonant circuit devices arranged in a network, each device being associated w... | 06/21/1977 |
| 4022679 | Coated titanium anode for amalgam heavy duty cells The anode is particularly designed for use at anodic densities DA greater than 10 kA/m2, and comprises substantially horizontally extending coated anode segments having a clear spacing of at least 1.5 mm from each other and upwardly ... | 05/10/1977 |
| 3972793 | Continuous flow-through mercury cathode electrolysis cell A continuous flow-through mercury cathode electrolysis cell is described having a parallel anode and cathode and a non-conductive porous diaphragm separator. The cathode chamber is constructed so as to develop turbulence in the catholyte flowing therethro... | 08/03/1976 |
| 3960694 | Novel anode adjustment apparatus An improved anode adjustment means for mercury cells is disclosed in which a plurality of worm gears are employed to adjust the height of a plurality of anodes attached to arms secured to a central anode support member which is operated by the plurality o... | 06/01/1976 |
