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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 5190634 | Inhibition of coke formation during vaporization of heavy hydrocarbons An improved process for vaporizing a crude petroleum feedstock, preferably one boiling in the vacuum gas oil range or higher, prior to thermal cracking to olefins, wherein such feedstock is preheated, in one or more stages, in the convection section of a ... | 03/02/1993 |
| 5077208 | Microbial removal of nox from gases Disclosed is a process by which a gas containing nitric oxide is contacted with an anaerobic microbial culture of denitrifying bacteria to effect the chemical reduction of the nitric oxide to elemental nitrogen. The process is particularly suited to the r... | 12/31/1991 |
| 5074050 | Sheet-contacting thickness gauges A contacting thickness gauge comprising a unique surface follower (46). The bottom surface (56) of the surface follower (46) has both contacting areas (64,66) and non-contacting areas (62). The surface follower (46) is in substantially continuous contact ... | 12/24/1991 |
| 4991315 | Horizontal pellet cooler with improved support tray A pellet cooler (10) includes an endless traveling grate conveyor (30), drive apparatus (34,36,40) operatively associated with the conveyor (30) for moving the conveyor in continuous travel about a continuous path, and a plurality of non-perforated materi... | 02/12/1991 |
| 4971142 | Heat exchanger and heat pipe therefor A heat pipe is formed of two elongated tubular members each having an open end and a closed end and joined at their open ends in gas-tight relationship by means of an annular collar. The annular collar is adapted at one end to fit over the open end of one... | 11/20/1990 |
| 4880542 | Biofilter for the treatment of sour water A process for oxidizing the sulfide (H2 S, HS-, S-2) in sour water to convert the sulfide to sulfate by producing a sulfide tolerant strain of Thiobacillus denitrificans and then co-immobilizing the T. denitrificans and Ca... | 11/14/1989 |
| 4879240 | Microbial control of hydrogen sulfide production by sulfate reducing bacteria Mutant strains of Thiobacillus denitrificans are used to inoculate an environment containing sulfate and sulfate-reducing bacteria to control the net formation of sulfide. The mutant strains are tolerant of significant concentrations of soluble sulfides a... | 11/07/1989 |
| 4877485 | Sheet inspection station with pneumatic sheet guide A sheet inspection station including pneumatic means for guiding the sheet past one or more measurement sensors in non-contacting fashion, thus eliminating measurement error resulting from fiber/dust buildup associated with friction between the sheet and ... | 10/31/1989 |
| 4859588 | Production of a single cell protein There is disclosed a method for desulfurizing gases by microbiological techniques which involve the use of chemoautotrophic bacteria of the Thiobacillus genus to convert sulfides to sulfates either as a sulfide removal process or as a process for producin... | 08/22/1989 |
| 4837573 | Digital to analog converter A circuit and method for converting a binary number having a plurarity of bits, Do to Dn, to a signal having a proportionally equivalent characteristic. The circuit comprises a parallel input for receiving each bit, Do to ... | 06/06/1989 |
| 4823008 | Apparatus and methods employing infrared absorption means to measure the moisture content of heavy grades of paper Apparatus and methods for use in measuring the moisture content of heavy-grade sheets of paper during their continuous manufacture. In one aspect, means employing infrared absorption techniques for determining the fiber weight per unit area of a sheet hav... | 04/18/1989 |
| 4815116 | Method and apparatus for x-ray analysis of rapidly moving multicomponent materials A beam of X rays is directed into a traveling product such as paper having a constituent such as ash made up of components such as clay, chalk and titanium dioxide. X rays from the product may produce signal channel responses that are the same to one comp... | 03/21/1989 |
| 4804453 | Resolution of emulsions with multiple electric fields A pair of electrodes in the configuration of parallel plates represents how multiple pathways are formed through which emulsions of relative polar and relative non-polar liquids are passed. The electrode plates are comprised of materials which render the ... | 02/14/1989 |
| 4803715 | Thickness measurement with automatic correction for changes in composition An apparatus for measuring the thickness of a sheet of metal by irradiating the sheet with x-rays. The intensity of the initial x-rays, the transmitted x-rays, and the backscattered x-rays are detected and the detector signals are processed to produce a s... | 02/07/1989 |
| 4801809 | Sheet inspection apparatus and methods providing simultaneous resolution of measurement zones and wavelength bands Disclosed are sheet inspection apparatus and methods for rapid, repetitive measurement of a quality attribute in each of a plurality of measurement zones of a continuously-manufactured sheet of material, wherein measurement is based on the interaction of ... | 01/31/1989 |
| 4799936 | Process of forming conductive oxide layers in solid oxide fuel cells A solid oxide fuel cell is formed in the green state with a binder and then a combination of microwave and conventional heating is employed to first remove the binder at a lower temperature and then sinter the oxides at a higher temperature to form the fu... | 01/24/1989 |
| 4760027 | Microbiological desulfurization of gases There is disclosed a method for desulfurizing gases by microbiological techniques which involve the use of chemoautotrophic bacteria of the Thiobacillus genus to convert sulfides to sulfates either as a sulfide removal process or as a process for producin... | 07/26/1988 |
| 4750554 | Internal tube sheet sealing apparatus assembly for tubular heat exchangers Internal tube sheet sealing apparatus assembly for tubular heat exchangers which operate with pressures of, e.g., greater than 1000 psi on both sides of the tube sheet and wherein the tube sheet itself is usually subject to a lower differential pressure, ... | 06/14/1988 |
| 4700637 | Volume reduction of low-level radiation waste by incineration An incinerator, or furnace, receives low-level radiation waste from a nuclear installation in varying volumes and calorific values. A supplemental, conventional fuel is concomitantly supplied under the control of the exhaust temperature of the products of... | 10/20/1987 |
| 4578918 | Insulation anchor A system for insulating the walls of furnaces and other heated structures with ceramic fiber insulation including an improved insulation anchor. The anchor includes a pin which is attached to the furnace wall such as by stud welding with the pin having an... | 04/01/1986 |
| 4576615 | Carbon dioxide hydrocarbons separation process Carbon dioxide is separated from light hydrocarbons such as methane and ethane by absorbing CO2 gas with water at a pressure of at least 500 psia thus avoiding the CO2 --C2 H6 azeotrope problem. The CO2 | 03/18/1986 |
| 4560190 | Fastening assembly A fastening device of the type used to fasten panels together, such as the lid on a trunk, which is essentially recessed in both the locked and unlocked positions thus avoiding any protrusion of the assembly parts. The operating mechanism, which may be of... | 12/24/1985 |
| 4547209 | Carbon dioxide hydrocarbons separation process utilizing liquid-liquid extraction Carbon dioxide is cryogenically separated from methane and then is separated from the ethane by liquid extraction with water at high pressures of 500 to 2250 psia thus avoiding the CO2 --C2 H6 azeotrope problem. The proces... | 10/15/1985 |
| 4541984 | Getter-lubricant coating for nuclear fuel elements A getter-lubricant coating system between the nuclear fuel and the fuel cladding minimizes the pellet-clad stress concentration and renders fission gases and impurities unreactive to the cladding. The getters are matched to the lubricant matrix such that ... | 09/17/1985 |
| 4523949 | Aluminum dross reclamation Aluminum dross containing chlorides and combustible volatile material is agglomerated and sized to produce a compact which is then treated in a direct fired rotary kiln in excess of 1800° F. to volatilize the chlorides and burn the combustible volatile m... | 06/18/1985 |
| 4522926 | Aluminum resistant refractory composition A refractory composition for use in contact with molten aluminum alloys containing a refractory aggregate, a binder and 9Al2 O3.2B.sub.2 O3. The aluminum borate may be of the type produced as a by-product in the production... | 06/11/1985 |
| 4519824 | Hydrocarbon gas separation A cryogenic process for separating methane from ethane and heavier hydrocarbons in which a high pressure gas feed is divided into two gas streams. The gas is cooled either before or after it is divided and this step may include some condensation in which ... | 05/28/1985 |
| 4510253 | Aluminum resistant ceramic fiber composition A ceramic fiber composition for use in contact with molten aluminum alloys is disclosed which is lightweight and porous. The composition contains ceramic fibers, binders and an additive containing 9Al2 O3.2B.sub.2 O3. The ... | 04/09/1985 |
| 4483930 | Ceramic fiber composition A ceramic fiber composition suitable for use in the temperature range of 650° C. to 1100° C. formed from aluminum silicate and feldspar. The aluminum silicate is preferably calcined kaolin and comprises 65 percent to 95 percent by weight of the mixture ... | 11/20/1984 |
| 4435693 | Electrical insulating refractory composition Sheathed electrical heating elements containing MgO heat conductive, electrical insulating material having a high degree of calcination together with additives in the form of a clay and fumed silica to increase the electrical resistivity, density and flow... | 03/06/1984 |
| 4418893 | Water-cooled refractory lined furnaces The metal shell of a furnace or cupola is cooled by means of water flowing down over the exterior surface of the metal shell. In order to reduce heat loss and thus decrease the energy consumption, the interior surface of the metal shell is lined with a fi... | 12/06/1983 |
| 4418107 | Cover for carbon bake pit A flexible cover for a carbon bake pit has a flexible, expanded metal backing to which is attached a blanket of insulating ceramic fibers. This construction allows the cover to flex in order to conform to the surface of the material in the pit. Lifting me... | 11/29/1983 |
| 4415674 | Electrical insulating refractory composition Sheathed electrical heating elements containing MgO heat conductive, electrical insulating material having an additive of fine particles of spherically shaped fused ZrO2 to increase the electrical resistivity and maintain favorable tap density ... | 11/15/1983 |
| 4402735 | Treating deep sea nodules by segregation roasting A process for recovering nonferrous nickel, copper and cobalt from deep sea nodules to obtain a concentrate rich in the nonferrous metals, a middlings less concentrated in the nonferrous metals and a tailings with a very low concentration of the nonferrou... | 09/06/1983 |
| 4389282 | Ceramic fiber board A flexible ceramic fiber board is formed from fibers with a homogeneous latex binder coating. The coating is formed from a slurry of the latex, a cationic acrylamide base copolymer and aluminum sulfate solution. The cationic copolymer aids the aluminum su... | 06/21/1983 |
| 4370840 | Insulation anchor An anchor assembly for supporting an insulation panel or blanket on furnace walls which includes an extension member adapted to be fastened to an existing anchor member in order to extend the length of the anchor assembly to accommodate insulation of grea... | 02/01/1983 |
| 4269799 | Method of forming fusion cast refractories Fusion cast refractories are formed by first displacing the air from the mold cavity with an inert, heavy gas, preferably argon. The molten fusion cast refractory is then poured into the mold cavity and allowed to solidify. This procedure minimizes the ev... | 05/26/1981 |
| 4235636 | Plastic refractories with fused alumina-chrome grog A high alumina, plastic refractory mixture containing 30 to 70 percent crushed fused alumina chrome grog, 10 to 30 percent glass industry grade chromite, 3 to 12 percent alumina, 2 to 6 percent bond clay and 3 to 18 percent of an acid phosphate binder.... | 11/25/1980 |
| 4150632 | Char separator Particulates removed from the flue gases produced in a fluidized-bed furnace are separated into high-and low-density portions. The low-density portion is predominantly char, and it is returned to the furnace or burned in a separate carbon burnup cell. The... | 04/24/1979 |
| 4149139 | Ultrasonic transmission device A method and apparatus for transmission of ultrasound to and reception of ultrasound from a fluid from outside its container. An ultrasonic transducer generates sound waves longitudinally in a transmission bar that has a reflecting surface at such an angl... | 04/10/1979 |
