Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4867866 | Municipal waste processing apparatus Municipal waste materials are processed by crushing the materials so that pieces of noncombustible material are smaller than a selected size and pieces of combustible material are larger than the selected size. The crushed materials are placed on a vibrat... | 09/19/1989 |
| 4849309 | Overcharge tolerant high-temperature cells and batteries In a lithium-alloy/metal sulfide high temperature electrochemical cell, cell damage caused by overcharging is avoided by providing excess lithium in a high-lithium solubility phase alloy in the negative electrode and a specified ratio maximum of the capac... | 07/18/1989 |
| 4846255 | Electromagnetic augmentation for casting of thin metal sheets Thin metal sheets are cast by magnetically levitating molten metal deposited in a mold within a ferromagnetic yoke and between AC conducting coils and linearly displacing the magnetically levitated liquid metal while it is being cooled by the water-cooled... | 07/11/1989 |
| 4839133 | Target and method for the production of fission product molybdenum-99 A target for the reduction of fission product Mo-99 is prepared from uranium of low U-235 enrichment by coating a structural support member with a preparatory coating of a substantially oxide-free substrate metal. Uranium metal is electrodeposited from a ... | 06/13/1989 |
| 4831965 | Fabrication of solid oxide fuel cell by electrochemical vapor deposition In a high temperature solid oxide fuel cell (SOFC), the deposition of an impervious high density thin layer of electrically conductive interconnector material, such as magnesium doped lanthanum chromite, and of an electrolyte material, such as yttria stab... | 05/23/1989 |
| 4827606 | Method and apparatus for assembling solid oxide fuel cells A plurality of jet air tubes are supported and maintained in a spaced matrix array by a positioning/insertion assembly for insertion in respective tubes of a solid oxide fuel cell (SOFC) in the assembly of an SOFC module. The positioning/insertion assembl... | 05/09/1989 |
| 4829008 | Analytical instrument with apparatus for sample concentrating A system for analysis of trace concentrations of contaminants in air includes a portable liquid chromatograph and a preconcentrator for the contaminants to be analyzed. The preconcentrator includes a sample bag having an inlet valve and an outlet valve fo... | 05/09/1989 |
| 4825038 | Method for controlling gas metal arc welding The heat input and mass input in a Gas Metal Arc welding process are controlled by a method that comprises calculating appropriate values for weld speed, filler wire feed rate and an expected value for the welding current by algorithmic function means, ap... | 04/25/1989 |
| 4824742 | Manifold, bus support and coupling arrangement for solid oxide fuel cells Individual, tubular solid oxide fuel cells (SOFCs) are assembled into bundles called a module within a housing, with a plurality of modules arranged end-to-end in a linear, stacked configuration called a string. A common set of piping comprised of a suita... | 04/25/1989 |
| 4818295 | Cyclone reactor A system is provided to produce sugars from a liquid-solid mixture containing biomass, and an acid, wherein the mixture is heated to an appropriate temperature to achieve hydrolysis. The liquid-solid mixture is introduced as a stream into the circular-cyl... | 04/04/1989 |
| 4818366 | Long life reference electrode An external, reference electrode is provided for long term use with a high temperature, high pressure system. The electrode is arranged in a vertical, electrically insulative tube with an upper portion serving as an electrolyte reservior and a lower porti... | 04/04/1989 |
| 4814062 | Membrane reference electrode A reference electrode utilizes a small thin, flat membrane of a highly conductive glass placed on a small diameter insulator tube having a reference material inside in contact with an internal voltage lead. When the sensor is placed in a non-aqueous ionic... | 03/21/1989 |
| 4812819 | Functional relationship-based alarm processing system A functional relationship-based alarm processing system and method analyzes each alarm as it is activated and determines its relative importance with other currently activated alarms and signals in accordance with the functional relationships that the new... | 03/14/1989 |
| 4806150 | Device and technique for in-process sampling and analysis of molten metals and other liquids presenting harsh sampling conditions An apparatus and method for continuously analyzing liquids by creating a supersonic spray which is shaped and sized prior to delivery of the spray to a analysis apparatus. The gas and liquid are mixed in a converging-diverging nozzle where the liquid is s... | 02/21/1989 |
| 4782770 | Combustor for fine particulate coal A particulate coal combustor with two combustion chambers is provided. The first combustion chamber is toroidal; air and fuel are injected, mixed, circulated and partially combusted. The air to fuel ratio is controlled to avoid production of soot or nitro... | 11/08/1988 |
| 4780437 | Fabrication of catalytic electrodes for molten carbonate fuel cells A porous layer of catalyst material suitable for use as an electrode in a molten carbonate fuel cell includes elongated pores substantially extending across the layer thickness. The catalyst layer is prepared by depositing particulate catalyst material in... | 10/25/1988 |
| 4778116 | Municipal waste processing apparatus Municipal waste materials are processed by crushing the materials so that pieces of noncombustible material are smaller than a selected size and pieces of combustible material are larger than the selected size. The crushed materials are placed on a vibrat... | 10/18/1988 |
| 4769504 | Process for converting light alkanes to higher hydrocarbons A process is disclosed for the production of aromatic-rich, gasoline boiling range hydrocarbons from the lower alkanes, particularly from methane. The process is carried out in two stages. In the first, alkane is reacted with oxygen and hydrogen chloride ... | 09/06/1988 |
| 4764024 | Steam trap monitor A steam trap monitor positioned downstream of a steam trap in a closed steam system includes a first sensor (the combination of a hot finger and thermocouple well) for measuring the energy of condensate and a second sensor (a cold finger) for measuring th... | 08/16/1988 |
| 4764437 | Lithium disulfide battery A negative electrode limited secondary electrochemical cell having dense FeS2 positive electrode operating exclusively on the upper plateau, a Li alloy negative electrode and a suitable lithium-containing electrolyte. The electrolyte preferably... | 08/16/1988 |
| 4762617 | Size-exclusion chromatography system for macromolecular interaction analysis A low pressure, microcomputer controlled system employing high performance liquid chromatography (HPLC) allows for precise analysis of the interaction of two reversibly associating macromolecules such as proteins. Since a macromolecular complex migrates f... | 08/09/1988 |
| 4761348 | Electrolytic cell stack with molten electrolyte migration control An electrolytic cell stack includes inactive electrolyte reservoirs at the upper and lower end portions thereof. The reservoirs are separated from the stack of the complete cells by impermeable, electrically conductive separators. Reservoirs at the negati... | 08/02/1988 |
| 4749985 | Functional relationship-based alarm processing A functional relationship-based alarm processing system and method analyzes each alarm as it is activated and determines its relative importance with other currently activated alarms and signals in accordance with the relationships that the newly activate... | 06/07/1988 |
| 4744875 | Steel refining with an electrochemical cell Apparatus for processing a metallic fluid containing iron oxide, container for a molten metal including an electrically conductive refractory disposed for contact with the molten metal which contains iron oxide, an electrolyte in the form of a basic slag ... | 05/17/1988 |
| 4741383 | Horizontal electromagnetic casting of thin metal sheets Thin metal sheets are cast by magnetically suspending molten metal deposited within a ferromagnetic yoke and between AC conducting coils and linearly displacing the magnetically levitated liquid metal while it is being cooled to form a solid metal sheet. ... | 05/03/1988 |
| 4728590 | Electrochemical cell with high discharge/charge rate capability A fully charged positive electrode composition for an electrochemical cell includes FeS2 and NiS2 in about equal molar amounts along with about 2-20 mole percent of the reaction product Li2 S. Through selection of appropri... | 03/01/1988 |
| 4721513 | Cathode preparation method for molten carbonate fuel cell A method of preparing a porous cathode structure for use in a molten carbonate fuel cell begins by providing a porous integral plaque of sintered nickel oxide particles. The nickel oxide plaque can be obtained by oxidizing a sintered plaque of nickel meta... | 01/26/1988 |
| 4720370 | Nuclear reactor fuel structure containing uranium alloy wires embedded in a metallic matrix plate A flat or curved plate structure, to be used as fuel in a nuclear reactor, comprises elongated fissionable wires or strips embedded in a metallic continuous non-fissionable matrix plate. The wires or strips are made predominantly of a malleable uranium al... | 01/19/1988 |
| 4714586 | Method of preparing a dimensionally stable electrode for use in a MCFC A method is disclosed for preparing a dimensionally stable electrode structure, particularly nickel-chromium anodes, for use in a molten carbonate fuel cell stack. A low-chromium to nickel alloy is provided and oxidized in a mildly oxidizing gas of suffic... | 12/22/1987 |
| 4712722 | Concurrent ultrasonic weld evaluation system A system for concurrent, non-destructive evaluation of partially completed welds for use in conjunction with an automated welder. The system utilizes real time, automated ultrasonic inspection of a welding operation as the welds are being made by providin... | 12/15/1987 |
| 4705563 | Methods and apparatus for reducing corrosion in refractory linings Methods and apparatus are provided for reducing corrosion in a refractory lining of a liquid-containing vessel used in direct steelmaking processes. The vessel operates at between about 1600° C. and about 1800° C. and an oxygen partial pressure of about... | 11/10/1987 |
| 4696191 | Apparatus and method for void/particulate detection Apparatus and method for detecting voids and particulates in a fluid within a containing vessel. A diffuse ultrasonic signal is coupled into the fluid by a first transducer and the portion of the ultrasonic signal transmitted through the fluid is detected... | 09/29/1987 |
| 4695372 | Conditioning of carbonaceous material prior to physical beneficiation A carbonaceous material such as coal is conditioned by contact with a supercritical fluid prior to physical beneficiation. The solid feed material is contacted with an organic supercritical fluid such as cyclohexane or methanol at temperatures slightly ab... | 09/22/1987 |
| 4687598 | Electrode-active material for electrochemical batteries and method of preparation A battery electrode material comprising a non-stoichiometric electrode-active material which forms a redox pair with the battery electrolyte, an electrically conductive polymer present in the range of from about 2% by weight to about 5% by weight of the e... | 08/18/1987 |
| 4686833 | Method of forming clathrate ice A method of forming clathrate ice in a supercooled water-based liquid contained in a vessel is disclosed. Initially, an oscillator device is located in the liquid in the vessel. The oscillator device is then oscillated ultrasonically so that small crystal... | 08/18/1987 |
| 4687564 | Refractory lining for electrochemical cell Apparatus for processing a metallic fluid containing iron oxide, container for a molten metal including an electrically conductive refractory disposed for contact with the molten metal which contains iron oxide, an electrolyte in the form of a basic slag ... | 08/18/1987 |
| 4678024 | Horizontal electromagnetic casting of thin metal sheets Thin metal sheets are cast by magnetically suspending molten metal deposited within a ferromagnetic yoke and between AC conducting coils and linearly displacing the magnetically levitated liquid metal while it is being cooled to form a solid metal sheet. ... | 07/07/1987 |
| 4674343 | Liquid sampling system A conduit extends from a reservoir through a sampling station and back to the reservoir in a closed loop. A jet ejector in the conduit establishes suction for withdrawing liquid from the reservoir. The conduit has a self-healing septum therein upstream of... | 06/23/1987 |
| 4675101 | Step-wise supercritical extraction of carbonaceous residua A method of fractionating a mixture containing high boiling carbonaceous material and normally solid mineral matter includes processing with a plurality of different supercritical solvents. The mixture is treated with a first solvent of high critical temp... | 06/23/1987 |
| 4666798 | Serially connected solid oxide fuel cells having monolithic cores A solid oxide fuel cell for electrochemically combining fuel and oxidant for generating galvanic output, wherein the cell core has an array of cell segments electrically serially connected in the flow direction, each segment consisting of electrolyte wall... | 05/19/1987 |
