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| Number | Title | Issue Date |
| 7141113 | Production method for silicon single crystal and production device for single crystal ingot, and heat treating method for silicon crystal wafer A method for growing a silicon crystal by a Czochralsky method, wherein, let a pulling speed be V (mm/min) and an average value of an in-crystal temperature gradient in a pulling axis direction within a temperature range, a silicon melting point to 1350° C., be G (... | 11/28/2006 |
| 7007933 | Method and apparatus for supplying a source gas A method for supplying a source gas to a processing chamber for forming a film on a substrate in the processing chamber includes: heating a carrier gas; bubbling the heated carrier gas in a liquid source disposed in a container to form a vapor source; and supplying ... | 03/07/2006 |
| 6978984 | Raw material providing device for chemical vapor deposition process Disclosed is a raw material-providing device for a chemical-vapor deposition process and includes: a bubbler for vaporizing liquid raw material and providing the vaporized raw material to a deposition unit; and a raw material tank for providing liquid raw material t... | 12/27/2005 |
| 6663708 | Silicon wafer, and manufacturing method and heat treatment method of the same An ingot is manufactured by pulling it up such that V/Ga and V/Gb become 0.23 to 0.50 mm2 /minute ° C., respectively, where V (mm/minute) is a pulling-up speed, and Ga (° C./mm) is and axial temperature gradient at the center of the ingot and... | 12/16/2003 |
| 6464842 | Control of solid state dimensional features There is provided controlled fabrication of a solid state structural feature on a solid state structure by exposing the structure to a fabrication process environment the conditions of which are selected to produce a prespecified feature in the structure.... | 10/15/2002 |
| 6375456 | Combustion process applicable to the manufacture of cement Combustion process especially applicable to cement works, in which process it is desired to use fuels which are difficult to ignite. To do so, a flame comprising a primary zone and a secondary zone is created. The hot primary zone is created using an oxy-... | 04/23/2002 |
| 6361888 | Toughening of ceramic composites by transformation weakening of interphases Generally, this invention provides a toughened ceramic composite and a method of enhancing the mechanical strength of ceramic matrix composites through use of a transformation weakened interphase material. The ceramic composite provided in this invention ... | 03/26/2002 |
| 5800729 | Mixtures of pentafluoropropane and a hydrofluorocarbon having 3 to 6 carbon atoms The invention discloses novel azeotrope-like mixtures of fluorinated compounds which are useful for heating and cooling as heat transfer agents and/or refrigerants. The azeotrope-like mixture comprises: (a) pentafluoropropane; and (b) a hydrofluorocarbon ... | 09/01/1998 |
| 5607571 | Electrochemical process for preparing low-chloride aqueous titanyl nitrate solutions An electrochemical process for preparing low-chloride aqueous solutions of titanyl nitrate which have a low chloride content, particularly, less than 200 ppm.... | 03/04/1997 |
| 5217624 | Method for the disposal of aqueous sewage sludge A combination of a dehydration process for dehydrating sewage sludge by mixing a quicklime-containing material with the sludge, a cement conversion process for introducing the solids produced by the dehydration process into a cement kiln with other cement... | 06/08/1993 |
| 5035189 | Refuse recycling system A system for recycling refuse comprises mixing a predetermined amount of refuse with a predetermined amount of plastic, heating the mixture until the plastic becomes liquid, forming the liquified mixture into a desired shape such as a brick, and cooling t... | 07/30/1991 |
| 5003892 | Process for sterile disposal of syringes An apparatus and process for sterile disposal of used syringes is provided. The apparatus includes a heat conductive container for maintaining used syringes and a means for applying heat to the heat conductive container in an amount sufficient to melt the... | 04/02/1991 |
| 4701125 | Thermal method for destruction of microfilm products A method for the pyrolytic destruction of microfilm products by utilizing hot silicon oil heated to a temperature of about 250° C. Destruction of the various types of microfilm is accomplished within a five minute time frame.... | 10/20/1987 |
| 4582521 | Melting furnace and method of use A process and apparatus for reducing the particulate emissions in exhaust gases for a glass melting furnace. This invention also may preheat glass batch to be charged to the furnace. An electrical charge is used to collect particulate from the exhaust gas... | 04/15/1986 |
| 4582480 | Methods of and apparatus for vapor delivery control in optical preform manufacture A vapor delivery system for the manufacture of an optical preform includes a deposition bubbler (60) and another bubbler (40) referred to as a supply bubbler which is interposed between a reservoir (24) of a liquid and the deposition bubbler. Heat energy ... | 04/15/1986 |
| 4556784 | Method for controlling vertically arranged heaters in a crystal pulling device In the pulling of a single crystal from a melt by the Czochralski method the temperature of the melt and the crystal is controlled by a plurality of heaters surrounding the crucible in vertically disposed relation relative to each other. The lowermost hea... | 12/03/1985 |
| 4526841 | Fiber-reinforced metal composite material A fiber-reinforced metal composite material comprising a metal or alloy as the matrix and an inorganic fiber as the reinforcing material, characterized in that at least one element selected from the group consisting of tin, cadmium and antimony in the for... | 07/02/1985 |
| 4487575 | Method and apparatus for monitoring rotary drums during thermal processing A method and apparatus for monitoring the operation of a rotary drum such as a rotary kiln while engaged in thermal processing of fine grained materials such as cement which involves measuring the temperature distribution existing instantaneously during s... | 12/11/1984 |
| 4480989 | Method of cooling a flange and coupling Reaction vessels, furnace tubes, heating and cooling enclosures frequently have parts such as access ports, inlet tubes, inspection windows, etc. made of thermally transparent materials such as plastic, glass, quartz, oxides, nitrides and sulfides. When t... | 11/06/1984 |
| 4455135 | Vacuum chamber and method of creating a vacuum The vacuum chamber includes an airtight generally cylindrical wall and a pair of end members. Vacuum pumps in the chamber evacuate the chamber. The chamber is rotated along the longitudinal axis whereby the centrifugal force of the rotating cylindrical wa... | 06/19/1984 |
| 4449516 | Sunlight-energy-storing method This invention is a method for storing light energy using an indigo derivative. Among indigo derivatives capable of storing light energy by the photoisomerization of the molecule from the trans-form to the cis-form, compounds heretofore obtained have been... | 05/22/1984 |
| 4417871 | Method and apparatus for cooling skid pipes in continuous slab reheating furnace An apparatus is disclosed for cooling the skid pipes of a continuous slab reheating furnace by the circulation of pressurized hot water, not cold water or steam, through the skid pipes where the hot water is heated to even higher temperatures. The heated ... | 11/29/1983 |
| 4411619 | Flange and coupling cooling means and method Reaction vessels, furnace tubes, heating and cooling enclosures frequently have parts such as access ports, inlet tubes, inspection windows, etc. made of thermally transparent materials such as plastic, glass, quartz, oxides, nitrides and sulfides. When t... | 10/25/1983 |
| 4408985 | Method of fixing hazardous substances in waste foundry sand A method is disclosed for fixing certain dangerous substances into recyclable waste foundry sand so that they are less likely to leach out into the environment. The method uses a roasting process which causes the dangerous substances to form insoluble com... | 10/11/1983 |
| 4403948 | System for separation of volatile substances from waste gases A process and apparatus for drying of materials such as wood chips or lacquers. A stream of hot gas is provided, the hot gas passes over the material to be dried, the now waste gas is removed from the material to be dried, the volatile substances are depo... | 09/13/1983 |
| 4396050 | Log preparation for veneer peeling In a semi-batch practice of the process, the logs are plasticized using hot, pressurized alkaline liquid in a closed chamber having a preceding charging chamber and a succeeding unloading chamber. The chambers are selectively flooded and emptied to facili... | 08/02/1983 |
| 4388066 | Radiation shield and method of use A coiled arrangement of pipes convey a heated medium, such as a slurry, into, through, and out of a heater or fire box provided with an arrangement of high velocity burners. The heater is fired to a preselected elevated temperature. A plurality of radiati... | 06/14/1983 |
| 4379220 | Method of heating liquid A heater for heating liquids such as water in an aquarium comprises a water-impermeable housing including a heating section for immersion in the water. Within the heating section of the housing is a flexible, distributed planar heating element. The housin... | 04/05/1983 |
| 4371332 | Method of controlling the tension of a strip within furnace A method of controlling the tension of a strip carried by a multitude of rollers disposed in four section of a furnace and driven by electric sources, one source for each section through respectives electric motors. The actual difference in tension of the... | 02/01/1983 |
| 4364727 | Heat treatment of foodstuff A method of heat treatment of foodstuff in which a stream of oxygen-containing gas and fuel is passed over one or more catalysts to raise the temperature of the gas stream and the resulting hot, gas stream is contacted with foodstuff in which a proportion... | 12/21/1982 |
| 4348174 | Method and apparatus for vapor conservation and control A method and apparatus for vapor conservation and control for use with vapor phase soldering, degreasing, or similar systems having a tank into which work is introduced and removed. The air present above the processing vapor zone is drawn from the process... | 09/07/1982 |
| 4313722 | Fluid shielded burner tip for use with a glass melting furnace A burner tip for passing fuel into a glass melting chamber having a fuel passageway and discrete cooling fluid passageways therein for cooling and shielding the burner tip from attack by a hostile gaseous chamber environment. A ceramic collar member is pr... | 02/02/1982 |
| 4308008 | Method for differential thermal analysis A method for differential thermal analysis and a furnace which is suitable for analytical measurements is heated by radiation. For this purpose, a radiation source whose radiation is absorbed by the furnace wall is arranged near to the furnace. The furnac... | 12/29/1981 |
| 4284403 | Acoustic levitation and methods for manipulating levitated objects Objects are levitated in a sound system substantially free of reverberation and reflection by positioning a small reflector in the path of sound waves. Interference between the primary waves and reflected waves creates a localized zone of minimized energy... | 08/18/1981 |
| 4283170 | Method of firing a tunnel kiln with coal, and coal firing installation for tunnel kilns PCT No. PCT/DE78/00042 Sec. 371 Date Sept. 10, 1979 Sec. 102(e) Date Sept. 10, 1979 PCT Filed Dec. 22, 1978 PCT Pub. No. WO79/00492 PCT Pub. Date July 26, 1979 To fire a tunnel kiln with coal, the coal is stored in a preferably airtight bunker, and transp... | 08/11/1981 |
| 4276019 | Process for regenerating of an adsorbing material in the form of particles charged with at least two volatile compounds having different thermal stabilities Calcination of one of the volatile compounds is brought about in a first contacting column, in which the material is driven and put into suspension by an oxidizing gas stream, while being brought therein to a sufficiently high temperature, and the gaseous... | 06/30/1981 |
| 4260368 | Process and a device for treatment of biologic fuels This invention relates to a process and a device for treatment, comprising at least drying, of preferably peat and the object thereof is reduction of the moisture percentage to the lowest possible level with a low supply of energy and simultaneously makin... | 04/07/1981 |
| 4255126 | Furnace tilting device A method and apparatus for tilting a furnace supported by rolling rockers is disclosed. The apparatus includes at least one hydraulic cylinder connected to a spout side of the furnace, and at least one hydraulic cylinder connected to a back side of the fu... | 03/10/1981 |
| 4242084 | Air pollution control and heat recovery system for industrial ovens A system of air pollution control and heat recovery is provided for an arrangement of industrial ovens, especially for drum manufacture. A plurality of paint bake ovens of various capacities, lengths and heat input are provided for multi-stage processing in th... | 12/30/1980 |
| 4240787 | Drying oven with heat reclamation and air pollution control system A system of drying ovens is disclosed with associated means for heat reclamation and air pollution control. The ovens are primarily for drying or baking paint or other coatings on pipes or the like where the emissions are primarily hydrocarbons. In this s... | 12/23/1980 |
