Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| RE40123 | Removal of heat and water vapor from commercial dishwashing machines A water-driven jet or venturi extraction means is used to remove, capture and cool the hot, highly humid air created within commercial dishwashers during a wash rinse or sanitization cycle. A cold water spray is used to create a pressure reduction zone which serves ... | 03/04/2008 |
| 7285300 | Roasting system An apparatus and method of roasting foodstuff such as coffee beans employ a roasting chamber for roasting the beans. An air circulation system operatively coupled with the chamber flows heated air over the beans and thereby roasts the beans, and an air cleaning arra... | 10/23/2007 |
| 7270175 | Extended impingement cooling device and method An extended impingement cooling structure to cool outside an air supply plenum comprises an inner wall; an impingement sheet; a series of supports to maintain the inner wall in spaced relation to the impingement sheet, and a baffle supported between the inner wall a... | 09/18/2007 |
| 7213347 | Metering material to promote rapid vaporization Apparatus for vaporization of powdered or granular material, includes a container for holding powdered or granular material having at least one component; a vaporization structure; and a positive displacement mechanism spaced from the vaporization structure defining... | 05/08/2007 |
| 7165340 | Feeding organic material to a heated surface Apparatus for vaporization of powdered material, includes one or more containers each containing possibly distinct powdered materials each having at least one component; a structure for fluidizing the powdered material in each container; a vaporization zone that is ... | 01/23/2007 |
| 7065900 | Docking-type system and method for transferring and treating substrate A substrate transferring/treating system includes a substrate stacking base, a substrate transferring member for receiving/transferring the substrate from/to the base, a substrate cleaning/drying device for cleaning and drying the substrate transferred from the subs... | 06/27/2006 |
| 7064057 | Method and apparatus for localized material removal by electrochemical polishing An apparatus for electropolishing a conductive material layer is disclosed. The apparatus comprises a porous conductive member configured to contact the conductive layer and having a first connector for receiving electrical power, an electrode insulatively coupled t... | 06/20/2006 |
| 7001512 | Closed loop processing system for waste and crops A process for treating waste products discharged in a waste water from an animal operation, such as a swine confinement facility includes a holding tank for receiving waste water from the flushing of the facility in which solids to accumulate at the bottom thereof; ... | 02/21/2006 |
| 6971571 | Reflow soldering apparatus and reflow soldering method A bath apparatus 12 reserves a liquid 13 as a heating medium and includes an input partition bath 31, a first intermediate partition bath 32, a heat partition bath 33, a second intermediate partition bath 34 and a removing p... | 12/06/2005 |
| 6935051 | Heating and drying apparatus for particulate material A continuous gravity flow apparatus for heating and/or drying of particulate material is vertically disposed and is provided with an inlet at the top and an outlet at the bottom. The apparatus includes a flow passage for the particulate material which is defined bet... | 08/30/2005 |
| 6922908 | Vegetable product drying A dryer is constructed and arranged to dry vegetable product, such as coffee beans. The dryer includes a thermal collector that is constructed and arranged to convert solar energy to heat energy, a heat transfer system, and a housing that defines a drying chamber. T... | 08/02/2005 |
| 6920703 | Microstructure drying treatment method and its apparatus and its high pressure vessel The object of the present invention is to provide a microstructure drying treatment method by which a substrate having a microstructure has a fine pattern of less than 30 nm and a large-caliber substrate of 100 mm or more can be dried uniformly and in a short time w... | 07/26/2005 |
| 6908512 | Temperature-controlled substrate holder for processing in fluids A substrate holder has a disk-like body with a central recess having diameter smaller than the diameter of the substrate placed onto the upper surface of the holder. The substrate can be clamped in place by the clamps of the edge-grip mechanism or placed into a seat... | 06/21/2005 |
| 6766593 | Device for drying solvent-based ink An apparatus (1) for drying solvent-based ink is described, in which the ink is applied onto plastic cassettes for histological preparations and/or on glass specimen slides (17) for microscopic thin sections. The apparatus (1) comprises a hot-ai... | 07/27/2004 |
| 6691430 | High-pressure drying apparatus, high-pressure drying method and substrate processing apparatus Liquid for prevention of substrate drying is supplied into a processing chamber so that a pool of the liquid is created as an anti-drying atmosphere in advance inside a processing chamber, and substrates, as they are dipped in the pool, are kept on stand-... | 02/17/2004 |
| 6688018 | Apparatus for bulk drying of sliced and granular materials A heated airflow dryer system for drying granular, crushed, and in particular, sliced fruit and other crops and materials where granules are of at least about one quarter inch diameter or slices are about one quarter inch or more thickness. An integral or... | 02/10/2004 |
| 6665950 | Gas-heated infrared radiator for an infrared drying unit Known gas-heated infrared radiators for infrared drying units have a radiator housing (1) that is subdivided by a gas-permeable burner plate (5) in a distribution chamber (6) for the gas-air mixture and a combustion chamber (7), the front side of which em... | 12/23/2003 |
| 6618956 | Device for dewatering and drying suspensions The operation of dewatering and drying devices which consist of a dewatering centrifuge and a concentrically arranged spray drier may be disturbed by leaks between the drier housing and the centrifuge or by deposits and encrustation of solid particles ins... | 09/16/2003 |
| 6607608 | Translatable fiber stripper A system for stripping an optical fiber includes a source of air and means for generating very short bursts of air. A heater heats the bursts of air to a temperature sufficient to remove the outer coating from an optical fiber, while maintaining the air i... | 08/19/2003 |
| 6553686 | Grain roasting apparatus The present invention relates to a grain roasting apparatus in which a blower is installed at one side of a body having a support at a lower portion of the same, a heated air flow path is installed in the blower, a heater is provided, a peel collecting po... | 04/29/2003 |
| 6523276 | Produce drying system utilizing multiple energy sources Methods and systems for extending the shelf life of produce are disclosed which provide an accelerated drying process for washed produce in order to further clean and fully crystallize a layer of solute-laden slurry that has been applied on the external s... | 02/25/2003 |
| 6519869 | Method and apparatus for drying semiconductor wafers A method and an apparatus for drying semiconductor wafers by using an IPA drying apparatus. The present invention uses a vapor generator to generate an IPA vapor. The IPA vapor is generated and saved in a closed surrounding and then transferred in a porou... | 02/18/2003 |
| 6503454 | Multi-ejector system for ejecting biofluids A multiple-ejector system for printing arrays of biofluids include a tooling plate having a plurality of sets of tooling pins extending outward from the surface of the tooling plate. A printed circuit board is provided having pairs of power connection pin... | 01/07/2003 |
| 6463672 | Mitigation of spacecraft charging by means of ionized water vapor The process of mitigation of spacecraft surface charging using ionized water vapor is used, since it helps taking excess surface electrons away from a spacecraft surface, leaving practically no residue after complete evaporation.... | 10/15/2002 |
| 6438862 | Drying apparatus for coffee beans and similar crops The invention is a distributed airways airflow dryer system for coffee beans and other such bulk crops. The interior volume or container of the dryer or dehydrator system that holds the bulk crops, is filled with an airways network structure that provides... | 08/27/2002 |
| 6425192 | Clothes drying and dewrinkling cabinet A cabinet for clothes drying and dewrinkling which comprises a main enclosure that defines an inner area for housing clothes, a fan for supplying air to the inner area, a steam generator for supplying steam to the inner area, a controller for regulating t... | 07/30/2002 |
| 6401360 | Apparatus and method for drying photosensitive material using a radiant heat assembly A drying apparatus and method utilizes the combination of radiant heat and air to quickly dry photosensitive material. The arrangement of the drying apparatus is such that radiant heat said assembly including a heating bar and a reflective cover positione... | 06/11/2002 |
| 6393728 | Method and apparatus for drying pulp A fiber containing pulp, such as chemical pulp, mechanical pulp, thermomechanical pulp, TMP, de-inked water, or fiber containing sludge, is dried in an effective and efficient manner. The wet pulp is first dewatered mechanically, such as by using a drum o... | 05/28/2002 |
| 6393730 | Drier, drier assembly and drying method The drying assembly includes a drying apparatus with a far-infrared-ray radiator and ultraviolet irradiator. This ultraviolet irradiator is provided in the rear of the drying apparatus and the irradiation amount irradiated from the device is about 300 to ... | 05/28/2002 |
| 6256902 | Apparatus and method for desiccating and deagglomerating wet, particulate materials An apparatus and method for drying and deagglomerating substances of finely-divided solids suspended in a fluid medium. The apparatus includes the basic components of a phenumatic friction dryer, a flash dryer and a ring dryer.... | 07/10/2001 |
| 6237247 | Apparatus and method for a spray dryer A spray dryer apparatus and method suitable for the production of detergents, cleaners and components thereof wherein the inner wall of the drying chamber is provided with an air-permeable textile material lining at a distance from the inner wall, and at ... | 05/29/2001 |
| 6202321 | Drying apparatus for coffee beans and similar crops The invention is a convective airflow dryer system for coffee beans and other such crops, that includes a removable materials container. The removable, stackable container has at least one interior airway structure extending from, preferably, the bottom o... | 03/20/2001 |
| 6185843 | Tobacco dryers A pneumatic conveyance tobacco dryer which includes a conveyance duct having a first portion, a second, upwardly extending portion and a third, curved portion intercommunicating the first and second portions. A tobacco feed chute extends downwardly and op... | 02/13/2001 |
| 6173506 | Roaster A roaster and method for roasting utilizing a tangential flow reducing structure which directs and guides airflow from a blower device into a roasting vessel with minimal swirl and circular flow. The tangential flow reducing structure is preferably one or... | 01/16/2001 |
| 6170166 | Removal of heat and water vapor from commercial dishwashing machines A water-driven jet or venturi extraction means is used to remove, capture and cool the hot, highly humid air created within commercial dishwashers during a wash rinse or sanitization cycle. A cold water spray is used to create a pressure reduction zone wh... | 01/09/2001 |
| 6169848 | Cross-direction dryer for a machine producing sheet material moving in a machine direction having both gas powered and electric heating portions A cross-direction dryer for typically drying a continuous web of paper or paper to which coating has just been applied provides both for baseline drying and a linear moisture profile by the use of respectively gas and electric heating portions of the heat... | 01/02/2001 |
| 6159360 | Invertible filter centrifuge including a solids drier A solids dryer is post-connected to an invertible filter centrifuge, wherein a dehumidification and drying of the solids takes place in the invertible filter centrifuge by means of centrifugation, pressure gas compression and/or heat convection and in the... | 12/12/2000 |
| 6151799 | Citrus peel processing system A system and method is described for processing waste citrus peel to remove oil from the peel in a highly efficient manner for subsequent processing, where the temperature of the peel is elevated, the peel is then finely fragmented to create a slurry, the... | 11/28/2000 |
| 6151794 | Apparatus for heat treating an object An apparatus for heat treating an object and specifically a substantially flat object described. The apparatus may be a hot plate post-baking apparatus for heat treating a substantially flat object such as a photomask used in a semiconductor photolithogra... | 11/28/2000 |
| 6035549 | Close contamination protection device and method thereof for food A method for closely protecting materials (10) sensitive to contamination by airborne contaminating agents and placed on a work surface (P). At least one decontaminated gas stream (1, 2) is fed from either side towards the materials in a direction substan... | 03/14/2000 |
