...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7181862 | Sol-gel process for the production of glassy articles Glassy articles are prepared by subjecting to hydrolysis and policondensation a solution or suspension of a suitable precursor, mainly comprising a silicon alkoxide, and by drying the obtained gel in a pressure chamber, the gel solvent having been substituted by a n... | 02/27/2007 |
| 7150892 | Method of thermally treating flour for hygienic purposes This invention relates to a method and a device for thermally treating flour, especially middlings, for hygienic purposes. The device includes modules which are a first, heatable batch mixer (4) with a pre-mounted depot (1). The batch mixer is connecte... | 12/19/2006 |
| 6957690 | Apparatus for thermal treatment of substrates Methods and apparatuses are provided for cooling semiconductor substrates prior to handling. In one embodiment, a substrate and support structure combination is lifted after high temperature processing to a cold wall of a thermal processing chamber, which acts as a ... | 10/25/2005 |
| 6877250 | Apparatus, method and system for the treatment of a wafer In an apparatus for a treatment of a wafer at elevated temperatures, the wafer is taken out of the reactor after heat treatment with the help of a mechanical transport apparatus which preferably grips the wafer around the circumference and on the under side. The tra... | 04/12/2005 |
| 6560896 | Apparatus, method and system for the treatment of a wafer Apparatus, method and system for the treatment of a wafer. After a treatment at elevated temperature, a wafer is taken out of the reactor in question with the help of a mechanical transport apparatus which preferably grips the wafer around the circumferen... | 05/13/2003 |
| 6408537 | Substrate cooling system A method and apparatus is disclosed for staging or cooling a substrate between high temperature thermal processing steps. In the disclosed embodiment, one or more cooling stations are located off-line within a wafer handling chamber, outside the thermal p... | 06/25/2002 |
| 6374513 | Process for the heat treatment of lignocellulosic material A process for the heat treatment of lignocellulosic material where the material is perheated and dried at a temperature close to the vaporization temperature of water, heated in a reducing atmosphere and cooled by the injection of water vapor.... | 04/23/2002 |
| 6351896 | Method and apparatus for drying a fiber web A method and apparatus for drying a fiber web, in which the fiber web is dried between two tight bands moving in the same direction and turning around turning rolls. The first band is heated and the second band is cooled by a cooling chamber. The cooling ... | 03/05/2002 |
| 6334266 | Supercritical fluid drying system and method of use A method and apparatus for fabricating and drying wafers, including micro-electro-mechanical system (MEMS) structures, in a second, supercritical processing fluid environment. The apparatus utilizes an inverted pressure vessel connected to a supercritical... | 01/01/2002 |
| 6167637 | Dehydrating method and hydroextractor The hydroextractor disclosed has a dehydration chamber, a pressurization chamber defined by a flexible diaphragm in isolation from the dehydration chamber, and a crushing member disposed in the dehydration chamber. A pipe member extends through the pressu... | 01/02/2001 |
| 6161307 | Fluid bed system for cooling hot spent anode butts The invention relates to a system for cooling and reducing fluoride emissions from a hot, spent anode butt removed from an electrolysis cell. The system comprises an elongated fluidised bed cooling chamber comprising particles of alumina and conveyor mean... | 12/19/2000 |
| 6041516 | Article, apparatus and method for cooling a thermally processed material An article for cooling an imaging material which has been heated to a first temperature by a thermal processor. The article includes a first cooling section on which the imaging material rides after the imaging material exits the thermal processor. The fi... | 03/28/2000 |
| 5862611 | Apparatus and method for cooling a granular material using ambient air An apparatus and method for cooling a granular material, such as a phosphate fertilizer, using ambient air is disclosed. The apparatus includes a cooling device and a conveyor assembly for feeding the material. The cooling device includes a rotatable asse... | 01/26/1999 |
| 5697169 | Apparatus for cooling strip and associated method Apparatus for cooling strip includes a path of travel for the strip and cooling apparatus having a plurality of elongated gas nozzles within which are disposed water nozzles such that the water nozzles will have a discharge outlet within the gas nozzles a... | 12/16/1997 |
| 5682758 | Method and apparatus for cooling asphalt An improved apparatus and method for cooling asphalt, which includes a cooling zone, such as a cooling chamber through which coolants such as air and water are blown or drawn, and an elongated conveyor for transporting asphalt molds through said cooling z... | 11/04/1997 |
| 5669158 | Method for cooling a web A method of removing heat from a moving web includes providing a quantity of a liquid which has a temperature of vaporization below the surface temperature of the web; heating the liquid to a temperature slightly below the temperature of vaporization of t... | 09/23/1997 |
| 5471847 | Web cooling device Web cooling device where liquid is applied to both sides of a hot web to enhance cooling via evaporation of the liquid from the web.... | 12/05/1995 |
| 5468265 | Method for treating coal A method of treating coal. The method comprises passing the coal through a retort having a shell temperature of about 500°-1000° F. and shock heating the coal to a maximum surface temperature of about 500°-1000° F. without allowing the coal to become ... | 11/21/1995 |
| 5361515 | Method of drying a protective polymer coating applied onto a surface of an article from a solution, and device for effecting thereof The method and apparatus operate to complete the following stages. At the first stage the coating is held at room temperature in the time interval from 20 s to 1 hour, depending on the type of polymer coating. At the second stage the coating is held at an... | 11/08/1994 |
| 5343631 | Treatment of friable materials in fluid bed reactors A process and apparatus for cooling coal dried in a fluid bed reactor are disclosed in which heated dried coal is separated into coarser and finer fractions and the coarser and finer fractions are separately cooled.... | 09/06/1994 |
| 5220732 | Cooling rocks and sand A process of cooling sand and rocks enables large amounts of aggregate to be cooled to a desired temperature below ambient aggregate temperature. Such temperature reduction is particularly useful for preparing concrete. Aggregate is introduced into a rota... | 06/22/1993 |
| 5201132 | Strip cooling, heating or drying apparatus and associated method Apparatus for cooling, heating, wiping, or drying a strip such as a metal strip has either a first cooling unit employed alone or first and second cooling units disposed in relative spaced relationship with a path therebetween for movement of the strip. E... | 04/13/1993 |
| 5121560 | Apparatus and method for cooling a printed web An apparatus and method are disclosed for continuously cooling a hot printed traveling web in order to set the ink thereon. The apparatus and method include a frame and a chill roll rotatably mounted thereon having a peripheral surface. A pressure roll is... | 06/16/1992 |
| 4982511 | Process and apparatus for kiln-drying malt In the process and apparatus for kiln-drying of malt, at least two zones (A and B) are provided for preliminary drying and one zone (A1) is provided for secondary drying and/cooling of the malt. The unsaturated exhaust air from the secondary drying and/or... | 01/08/1991 |
| 4973484 | Roller mill grain preheating An energy efficient steam rolled grain mill includes a preheater chamber, a steam chest, a roller mill and a cooler and dryer chamber. The cooler and dryer chamber is in direct head exchange relationship with the preheater chamber.... | 11/27/1990 |
| 4797136 | Low rank coal by wet oxidizing, drying and cooling The spontaneous ignition of low rank coal is inhibited by spraying coal with an aqueous solution of an oxidizing agent which contains combined oxygen, drying oxidizing agent-sprayed coal and cooling the dried coal.... | 01/10/1989 |
| 4769042 | Process for heat treatment of coal There is provided a process for the heat treatment of coal which comprises heating and drying low grade coal such as subbituminous coal and brown coal containing less than 80% of carbon and more than 33% of volatile matter (dry mineral matter-free basis) ... | 09/06/1988 |
| 4689894 | Closed intermittent drying process A closed intermittent process for drying a moist material, in which process gas is circulated internally for transporting vapour formation heat and water vapour out of the material, the water vapour being condensed from a cooled mixture of gas and water v... | 09/01/1987 |
| 4642906 | Method and apparatus for roasting small quantities of coffee The invention relates to a method for roasting small quantities of coffee, in which the unroasted coffee is fed into a roaster and supplied with hot air via a controlled burner until roasting is completed; after roasting is shut off, the roasted coffee is... | 02/17/1987 |
| 4628615 | Process and installation for the heat treatment of cylindrical bodies, especially pipes The invention relates to a process and to an installation for the heat treatment of cylindrical bodies, in particular pipes, of ceramic material. During the treatment, the pipes are dried, heated and sintered, and subsequently cooled, in successively arra... | 12/16/1986 |
| 4582120 | Apparatus for cooling fluid solid particles in a regeneration system The present invention is concerned with the cooling of the fluidizable particulate solids, either catalytic or inert, in the regenerator section of an FCC process, an RCC process or a metals removal systems or "ART" type process. It is directed to the use... | 04/15/1986 |
| 4514910 | Dehydration of lignite or the like A method and apparatus are provided for the dehydration of low rank coal, such as lignite. The coal is formed into particles having a size of less than about 4 inches, is subjected to atmospheric steaming, and then preheating with steam at a pressure of a... | 05/07/1985 |
| 4514912 | Process for drying of organic solid materials, particularly brown coals For drying organic solid materials, such as brown coals, the solid materials are, particularly for the purpose of immediately subsequent briquetting or refinement or gasification, respectively, preheated and introduced into an atmosphere of saturated stea... | 05/07/1985 |
| 4506457 | Method and apparatus for drying a paper, or similar, web A method and an apparatus for drying a paper, or similar, web so that a wet web and a drying felt or wire are subjected to an air removal treatment, the web and the felt or wire freed of air are passed between moving surface elements having good heat cond... | 03/26/1985 |
| 4506453 | Enhanced heat transfer process by forced gas recirculation An enhanced heat transfer process whereby solid particles are heated, dried, or cooled by a gas: Particles are repeatedly lifted and dropped as, for example, in flighted rotary drums. By forced recirculation, gas is passed through showering particles gene... | 03/26/1985 |
| 4401436 | Process for cooling particulate coal In a process for drying particulate coal by passing a heated gas through the particulate coal in a heating zone and thereafter cooling the dried particulate coal in a cooling zone, an improvement comprising the addition of a controlled quantity of water t... | 08/30/1983 |
| 4359873 | Cooling asphaltic strip material A method and apparatus for cooling a continuously moving strip of asphaltic material includes directing the asphaltic material into a plurality of loops having lengths and widths, spraying an evaporative liquid onto the asphaltic material from spraying me... | 11/23/1982 |
| 4351633 | Method of recovering the sensible heat of continuously cast slabs In a plant for recovering the sensible heat of continuously cast slabs, the slabs are guided through a cooling chamber in which heat is given off from the slabs to a cooling medium. In order to achieve a high heat yield and a low exit temperature of the s... | 09/28/1982 |
| 4349968 | Process and apparatus for drying material In a drying oven having plural superposed endless belts on which material to be dried, such as fruit, moves in a circuitous path from top to bottom, excessive drying of the material on the lower belts is prevented, by directing hot air toward the upper be... | 09/21/1982 |
| 4308668 | Process for heat treatment of coal In a process for heat treatment, highly hygroscopic coal, with a low carbon content and large equilibrium moisture, is rapidly heated with hot gas at a rate of temperature rise of at least 100° C./min up to a final heating temperature in the range of 300... | 01/05/1982 |