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| Number | Title | Issue Date |
| 5077094 | Process for applying a metal coating to a metal strip by preheating the strip in a non-oxidizing atmosphere, passing the strip through a melt pool of the metal coating material, and rapidly cooling the back surface of the strip A process for applying a metal coating 11 to a metal strip substrate 2 by preheating the casting surface in a non-oxidizing atmosphere and maintaining a casting surface temperature Ts below the solidus temperature of the metal coating material,... | 12/31/1991 |
| 5067554 | Melt extraction of ceramics The pool to be filamented is liquefied by heating in a crucible. A disk having an edge immersed in the molten pool rotates at high velocity and drives the pool outwards in the form of a ribbon which breaks up into pieces forming the required particles. Th... | 11/26/1991 |
| 4993478 | Uniformly-cooled casting wheel Metal strip 9 cast directly from the melt onto a cylindrical casting drum 20 is made more uniform in thickness and in structure by making the temperature of the casting surface and, therefore, heat transfer more uniform, thus reducing distortion of the ca... | 02/19/1991 |
| 4989595 | Aspirator/nebulizer A respiratory care device utilizes pressurized oxygen to pump an oxygen/air mixture to the patient. The device comprises a coupled turbine and blower. The pressurized oxygen drives the turbine which pumps air through the blower. The oxygen may be mixed wi... | 02/05/1991 |
| 4976934 | Nested, recirculating-fiber filter A recirculating fiber filter (1) and method is provided for removing particulates from moving fluid streams. High aspect ratio fibers (2) are used which readily nest with each other to form the high voidage fiber filter bed. In the method, fibers are cont... | 12/11/1990 |
| 4936047 | Method of capturing sulfur in coal during combustion and gasification A method of reducing the amount of gaseous sulfur compounds released during combustion of sulfur-containing fuel, comprising the steps of: (a) preparing a mixture of sulfur containing particulate fuel and a sulfur absorbent, such as calcium oxide, calcium... | 06/26/1990 |
| 4895795 | Detection and differentiation of coxiella burnetii in biological fluids Methods for detecting the presence of Coxiella burenetii in biological samples, as well as a method for differentiating strains of C. burnetii that are capable of causing acute disease from those strains capable of causing chronic disease are disclosed. T... | 01/23/1990 |
| 4895027 | Determining plane strain fracture toughness and the J-Integral for solid materials using stress field modified miniature specimens A method of determining the mechanical behavior of solid materials by using stress field modified miniature specimens. The method is an improvement in the method of determining mechanical behavior information from specimens only so large as to have at lea... | 01/23/1990 |
| 4891059 | Phase redistribution processing Homogeneous and refined microstructure powders and the method of making them from, for example, liquid metal immiscible systems or very limited solid solubility systems. At least two metals are melted and then rapidly solidified to yield a solid with a se... | 01/02/1990 |
| 4876186 | Detection and differentiation of coxiella burnetii in biological fluids Methods for detecting the presence of Coxiella burnetii in biological samples, as well as a method for differentiating strains of C. burnetii that are capable of causing acute disease from those strains capable of causing chronic disease are disclosed. Th... | 10/24/1989 |
| 4876094 | Controlled release liquid dosage formulation A liquid dual coated dosage formulation sustained release pharmaceutic having substantial shelf life prior to ingestion is disclosed. A dual coating is applied over controlled release cores to form dosage forms and the coatings comprise fats melting at le... | 10/24/1989 |
| 4874520 | Chromatographic process A new class of chromatographic columns for reverse phase and ion exchange chromatography based on organotitanate coupling is disclosed along with separation processes using such media. The disclosed organo-titanate coupled matrices useful for reverse phas... | 10/17/1989 |
| 4865117 | Direct strip casting on grooved wheels Metal strip may be directly cast by deposit of a melt layer onto a chill surface. Quality of both the upper and lower surfaces of strip case in this manner may be substantially improved according to the invention by casting on a chill roll having fine, ci... | 09/12/1989 |
| 4864867 | Determining fracture mode transition behavior of solid materials using miniature specimens A method of determining fracture mode transition behavior (FMTB) of solid materials by using stress field modified miniature specimens. The method is an improvement in the method of determining mechanical behavior information from specimens only so large ... | 09/12/1989 |
| 4842042 | Thickness control of direct cast strip A smooth roll skimmer 36 may be used in the casting of strip 34 by the melt drag process to provide gauge control and a smooth upper surface. Liquid melt 32 is cast on the moving chilled substrate 33 where it solidifies to a strip. The skimmer 36 is posit... | 06/27/1989 |
| 4842040 | Uniform cooling of cast strip Metal strip 9 cast directly from the melt onto a cylindrical casting drum 20 is made more uniform in thickness and in structure by making the temperature of the casting surface more uniform. This is accomplished by a novel arrangement of coolant channels ... | 06/27/1989 |
| 4828581 | Low inlet gas velocity high throughput biomass gasifier The present invention discloses a novel method of operating a gasifier for production of fuel gas from carbonaceous fuels. The process disclosed enables operating in an entrained mode using inlet gas velocities of less than 7 feet per second, feedstock th... | 05/09/1989 |
| 4819712 | Method and apparatus for continuous casting of molten metal Metal strip may be cast directly from molten metal in an open tundish onto a chill roll. Strip thickness is controlled by contouring the tundish lip with an offset near the casting wheel. This can be used remedially to offset the natural tendency for the ... | 04/11/1989 |
| 4799536 | Sheet caster cooling A more uniform cooling system for direct strip forming processes on chilled drums wherein the drum 1 is hollow and is partially filled with a coolant pool 6. A central tube 7 provides coolant spray 8 to the portions of the drum interior when not covered w... | 01/24/1989 |
| 4793400 | Double brushing of grooved casting wheels In combination with a rotating casting drum and a tundish for feeding molten metal to the surface of said drum, a pair of rotating brushes in tandem which rotate in the opposite direction to the drum rotation to clean the casting surface prior to the depo... | 12/27/1988 |
| 4763718 | Method of and apparatus for casting an elongated metal product Net shape or near net shape metal rod or wire 3 is rapidly solidified. Molten metal 7 is delivered to a semi-cylindrical casting channel 2 in a chill block 1 from a tundish 4 through a critically-designed metering system comprising a drain 6, an orifice f... | 08/16/1988 |
| 4752314 | Method and apparatus for melting glass batch A glass melting system involving preheating, precalcining, and prefluxing of batch materials prior to injection into a glass furnace. The precursors are heated by convection rather than by radiation in present furnaces. Upon injection into the furnace, ba... | 06/21/1988 |
| 4749024 | Direct cast strip thickness control Metal strip 3 may be cast directly from molten metal in an open tundish 2 onto a chill roll 1. Strip thickness is controlled by contouring the tundish lip 14 with an offset 10 near the casting wheel. This can be used remedially to offset the natural tende... | 06/07/1988 |
| 4723897 | Rotary engine A rotary engine includes a housing having a cylindrical internal surface on which seals are supported to prevent the flow of gases from spaces between two rotating pistons on separate but concentrically-arranged shafts. Three sets of gearing control relat... | 02/09/1988 |
| 4704084 | NOX reduction in multisolid fluidized bed combustors Nitrogen oxide pollutants are substantially reduced and sulfur dioxide minimized in multisolid fluidized beds by staged combustion of the fuel. The lower combustion region is operated at substoichiometric conditions such that NOx is reduced by ... | 11/03/1987 |
| 4684536 | Hard layer formed by incorporating nitrogen into Mo or W metal and method for obtaining this layer This hard layer is obtained by incorporating a maximum of 2 weight % of nitrogen in Mo or W by the technique of cathode sputtering in a nitrogen reactive medium, the temperature at which the nitrogen incorporation occurs which is in the order of 300° C. ... | 08/04/1987 |
| 4683043 | Cubic boron nitride preparation A process for producing coatings comprising cubic boron nitride on a substrate is disclosed. The process involves magnetron sputter deposition of a heated BN source in an evacuated atmosphere having a limited partial pressure of nitrogen and a noble gas. ... | 07/28/1987 |
| 4669536 | Groundwater monitoring system A groundwater monitoring system includes a bore, a well casing within and spaced from the bore, and a pump within the casing. A water impermeable seal between the bore and the well casing prevents surface contamination from entering the pump. Above the gr... | 06/02/1987 |
| 4661534 | Surface enhancement through chlorination of the molecular surface layer of polymeric solids A method for enhancing surface properties of a polymeric solid is disclosed involving chlorination in the presence of actinic light to a depth substantially not in excess of 1800 Å and to a chlorine content by weight in said 1800 Å layer not exceeding 2... | 04/28/1987 |
| 4658885 | Method of repetitiously marking continuously cast metallic strip material A method of producing a mark onto a continuously cast metallic strip is disclosed comprising the steps of providing a continuous surface upon which metal strip is cast from a molten metal holding tundish having a nozzle disposed less than about 0.120 inch... | 04/21/1987 |
| 4655893 | Cubic boron nitride preparation utilizing a boron and nitrogen bearing gas Cubic boron nitride is deposited on a substrate by an activated reactive evaporation method involving heating a substrate in a vacuum, evaporating metal vapors into a zone between the substrate and the metals source, said source consisting of one or more ... | 04/07/1987 |
| 4647890 | Molded ferromagnetic return circuit for a solenoid An improved solenoid is disclosed. The improvement consists of injection molding one or more components of the magnetic return circuit of the solenoid, particularly the magnetically permeable can, from a polymer having a filler of soft magnetic material a... | 03/03/1987 |
| 4646812 | Flow casting A process for casting metallic strips thicker than from melt-drag processes but thinner than the inherent normal thickness of a cast melt is disclosed. The disclosed process casts molten metal, without decanting or accelerating the molten stream, onto a c... | 03/03/1987 |
| 4646694 | Rotary engine A rotary engine includes a housing having a cylindrical internal surface on which seals are supported to prevent the flow of gases from spaces between two rotating pistons on separate but concentrically-arranged shafts. Three sets of gearing control relat... | 03/03/1987 |
| 4637056 | Optical correlator using electronic image preprocessing An optical processing system uses spatial filtering to recognize two-dimensional functions and images. Images of real objects are captured with a television camera. The electronic signals representing the two-dimensional function or image are electronical... | 01/13/1987 |
| 4624971 | Photo setting composition for coating substrates with an abrasion-resistant transparent or translucent film A process is disclosed for producing an abrasion resistant UV curable photopolymerizable composition for coating substrates. The process involves dense grafting and comprises hydrolyzing in an aqueous acidic solution a trialkoxysilane to render it organop... | 11/25/1986 |
| 4618764 | Fiber-optical pressure detector An optical fiber disposed between a light source and a photodetector is subjected at a number of points, equispaced along its axis, to a transverse pressure causing a significant attenuation of the transmitted luminous radiation. The optimum spacing of th... | 10/21/1986 |
| 4617981 | Method and apparatus for strip casting A method for continuously casting strip material onto a casting surface moving past a nozzle in a molten metal holding tundish is disclosed comprising the steps of pouring molten metal into the tundish at a rate sufficient to establish a metallostatic hea... | 10/21/1986 |
| 4614222 | Method of and apparatus for casting metal strip employing free gap melt drag Apparatus and method for continuous casting of amorphous or polycrystalline metal strip from a melt. The molten metal is delivered from a reservoir (2) to a moving chill surface, preferably a cylindrical roll (1) through an orifice (3) in the reservoir (2... | 09/30/1986 |
| 4612926 | Dual-range aspirator device An aspirator/nebulizer for use in inhalation therapy has dual oxygen nozzles extending into a cylindrical chamber into which air can be aspirated in a controlled manner via closable air holes. A 50 psig oxygen source can be diluted to atmospheric air to y... | 09/23/1986 |
