Famous Patents
In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7381926 | Removable heater A batch processing chamber comprising a top plate having at least one opening, and sidewalls, wherein the sidewalls and the top plate define a process volume. At least one removable heater is generally disposed in the process volume, wherein the at least one removab... | 06/03/2008 |
| 7335858 | Toaster using infrared heating for reduced toasting time A toaster uses radiant heat at infrared wavelengths optimized for producing rapid and uniform toasting of a food product. The infrared wavelengths of the radiated heat are selected for optimum speed and quality (browning and moisture content) of the food product. Th... | 02/26/2008 |
| 7323663 | Multi-purpose oven using infrared heating for reduced cooking time An oven using radiant heat at infrared wavelengths optimized for producing rapid and uniform cooking of a wide variety of foods. The infrared oven toasts, bakes, broils, and re-heats food at a much faster speed while maintaining high quality in taste and appearance ... | 01/29/2008 |
| 7312422 | Semiconductor batch heating assembly A heat treatment apparatus for use in batch heating/wafer processing is provided, which comprises a process chamber for receiving a wafer boat, at least a heating element comprising a substrate body configured to form an electrical heating circuit for at least one h... | 12/25/2007 |
| 7279659 | Non-food warmer appliance A non-food warmer apparatus includes an enclosure having sides, a top, and a bottom defining a chamber. A drawer structure has a support member to support objects. The drawer structure is coupled to the enclosure for movement between a retracted position to warm the... | 10/09/2007 |
| 7230208 | Oven for dental prostheses or partial dental prostheses The invention relates to a stove for producing denture and or the parts thereof comprising a combustion chamber and a heating device which is arranged therein and provided with a heating spiral consisting of an appropriate resistance wire and a support for the heati... | 06/12/2007 |
| 7208700 | Heated construction box A construction box includes a power connector for connection to a power source and a heater constructed for generating heat within the construction box when connected to the power source. The construction box also functioning as a warmed seat. ... | 04/24/2007 |
| 7202448 | Device for firing ceramic for dental prostheses A heating muffle for a muffle kiln for the production of a dental ceramic product containing titanium, which comprises a hollow unit, which is provided with at least one opening for the uptake of the ceramic product and has completely heatable inner walls, an which ... | 04/10/2007 |
| 7145932 | Electric furnace An electric furnace has a furnace wall, a cylindrical spiral member made of a wire of heat resistant material, a part of the cylindrical portion of which being embedded into the furnace wall and the remaining cylindrical portion of which being projected from an inne... | 12/05/2006 |
| 7046918 | Space heater with pretreated heat exchanger A space heater with a linear source of infrared radiant energy in heat exchange relationship with a heat exchanger formed of copper or aluminum material. The copper is pretreated to soften the copper and partially blacken the surface thereof. The aluminum is anodize... | 05/16/2006 |
| 6818869 | Multiple panel oven having individual controls for combined conductive and radiant heating panels A multiple panel cooking oven having individual controls for combined conductive and radiant heating. Each panel comprises an upper heating element for conductive heating and a lower heating element for radiant heating to obtain uniform baking within a zone between ... | 11/16/2004 |
| 6752624 | Soaking apparatus Soaking apparatus to treat materials which require higher accuracy in soaking and improved cleanliness. The soaking apparatus includes a heat treatment apparatus having walls, a ceiling and a floor, each divided into a plurality of sections, a heater block mounted o... | 06/22/2004 |
| 6545251 | Cooking oven A cooking oven comprises a cavity having a separating and insulating plate which can be inserted horizontally in the cavity in order to split it in two sub-cavities. Each sub-cavity has heating elements on its side walls. The oven sub-cavities can be sing... | 04/08/2003 |
| 6476360 | Shell structure for a heating appliance, and method of manufacturing heating appliance including same A unitary shell for a heating appliance is formed having first and second side panels and first and second end panels. The first end panel has first and second sub panels, each sub panel having a vertical edge and the vertical edges of the first and secon... | 11/05/2002 |
| 6331212 | Methods and apparatus for thermally processing wafers The apparatus provides a temperature controlled environment for processing semiconductor wafers at elevated temperatures. A hot wall process chamber is used for the process steps. The process chamber includes three zones with independent temperature contr... | 12/18/2001 |
| 6297481 | Infrared food warmer An infrared food warming device is provided with one or more compartments having one or more food shelves. Food may be placed through an opening on such a food shelf in the compartment. An infrared energy generating sheet is positioned in the compartment ... | 10/02/2001 |
| 6110289 | Rapid thermal processing barrel reactor for processing substrates A novel rapid thermal process (RTP) barrel reactor processes a larger batch of semiconductor substrates than was previously possible. The RTP barrel reactor is characterized by a short process cycle time in comparison to the same process cycle time in a c... | 08/29/2000 |
| 6063715 | Reinforced ceramic fiber enclosure and method of making same A reinforced ceramic fiber enclosure for muffle furnaces and the like defining a cavity therewithin includes a perforate metallic skeleton defining at least a portion of the peripheral wall of the enclosure and fibrous insulation encapsulating the skeleto... | 05/16/2000 |
| 6031208 | Topless holding bin with side heat source A topless bin for holding and warming food items such as wrapped sandwiches, fries, or breakfast meals, is disclosed herein. The bin includes a base, a base heating element, a pair of side walls and a pair of side heating elements. The base has a horizont... | 02/29/2000 |
| 5943969 | Ashing furnace and method A furnace comprises an enclosure, a hearth plate within the enclosure for supporting combustible material, a first heater element adjacent the hearth plate for initial combustion of the combustible material, a filter disposed above the hearth plate for fi... | 08/31/1999 |
| 5703901 | Calcination furnace A calcination furnace capable of variably setting calcination conditions such as a size of a calcination chamber, a temperature, a temperature distribution and flowing of gas in the calcination chamber; and the like depending on calcined intermediate prod... | 12/30/1997 |
| 5597502 | Single phase/three phase heater element circuit for a ceramic fiber heater A single phase and three phase heater element circuit for a ceramic fiber heater wherein a plurality of blocks each of which is formed by a plurality of heater elements arranged side by side on a base of insulation material and connected to one another to... | 01/28/1997 |
| 5585023 | Vertical lifted portable electric furnace and method for use thereof A method and apparatus for heating a metallic material held by a holder such as a crucible which is positioned on a base using an electric furnace. The electric furnace includes a sleeve, an electric heating element disposed on the inner surface of the sl... | 12/17/1996 |
| 5578132 | Apparatus for heat treating semiconductors at normal pressure and low pressure A heat treating unit for semiconductor processing is adapted to conduct normal pressure high temperature processing and low pressure thermal processing using corrosive gases. The unit includes an inner tube for receiving a boat which carries objects to be... | 11/26/1996 |
| 5559826 | Calcination furnace A calcination furnace capable of variably setting calcination conditions such as a size of a calcination chamber, a temperature, a temperature distribution and flowing of gas in the calcination chamber; and the like depending on calcined intermediate prod... | 09/24/1996 |
| 5498852 | Oval top loading kiln having removable shelves A kiln method and apparatus wherein a kiln chamber is formed of appropriate material, preferably having an oval cross-section with grooves in the narrower sides of the oval and oval shaped shelves which can be inserted into the oval chamber and turned so ... | 03/12/1996 |
| 5164161 | Proportional temperature control of a sterilizer Apparatus and methods for proportional control of heating of a sterilizer chamber are disclosed in the application. A sterilizer chamber has heaters mounted on the walls, a wall temperature sensor and a chamber temperature sensor. The controller is operab... | 11/17/1992 |
| 5126535 | Furnace and kiln construction and thermal insulation and heating unit therefor A heating unit combining a block of thermal and electrical insulating material and a pair of electrical resistance elements in which the block contains a mass of ceramic fibers bound together and has an elongated slot with confronting walls rising to the ... | 06/30/1992 |
| 4675507 | Heat cooking apparatus having a flat flexible heater A heat cooking apparatus is provided with a heater comprising a plurality of metal, electric heating wires and a plurality of mica to insulate said wires, which is formed as a flat shape to provide on the outside of the heating chamber with substantially ... | 06/23/1987 |
| 4590653 | Turbine rotor heating, disassembly, handling and reassembly method and apparatus A turbine rotor disassembly, handling and reassembly apparatus employs a feedback-controlled electric heating oven to rapidly heat a turbine wheel while the rotor shaft is in the horizontal position. An adapter interfaces the wheel to a handling spool who... | 05/27/1986 |
| 4575619 | Electrical heating unit with serpentine heating element A heating unit combining a block of thermal and electrical insulating material and an electrical resistance element in which the block contains a mass of ceramic fibers bound together and has an elongated slot with confronting walls rising to the surface ... | 03/11/1986 |
| 4567649 | System for heating, disassembly, handling and reassembly of a turbine rotor A turbine rotor disassembly, handling and reassembly apparatus employs a feedback-controlled electric heating oven to rapidly heat a turbine wheel while the rotor shaft is in the horizontal position. An adapter interfaces the wheel to a handling spool who... | 02/04/1986 |
| 4554441 | Electric heating coil A delivery system is provided for use in conjunction with the metalurgical furnace of the type having an elongated furnace chamber with an access door at one end for delivering a coffin containing parts into the interior of the furnace chamber. The delive... | 11/19/1985 |
| 4467185 | Heater for hot isostatic pressing apparatus A heater which includes: at least two electrically conductive heating element units having generally a self-standing cylindrical shape and stacked one on another to define a series of at least two cylindrical heating zones, the heating element units each ... | 08/21/1984 |
| 4445024 | Electric kiln This invention relates to a new type of electric kiln suitable for the firing of pottery in small batches as is customarily carried out by hobbyists. In its preferred form the invention comprises an upright cylindrical wall of ceramic fibre thermal insula... | 04/24/1984 |
| 4298789 | Oven having a cavity heated by at least one monolithic integrated heat source A cavity, such as an oven cavity, is heated by at least one monolithic integrated heat source, each fabricated by depositing a layer of resistive material on a substrate of non-conducting, or insulating, material. A pair of spaced-apart conductive element... | 11/03/1981 |
| 4249032 | Multizone graphite heating element furnace This invention relates to an electric furnace and, in particular, an electric furnace having graphite rod heating elements electrically connected into more than one series circuit. In this way, the heating elements can be arranged to provide individually ... | 02/03/1981 |
| 4136733 | Heating device An isothermal heating device comprises an annular tubular body providing a heating chamber for objects. Between the inner wall and the outer wall of this tubular body there is provided a plurality of separate ducts which are situated in a ring-shape about... | 01/30/1979 |
| 4126757 | Multizone graphite heating element furnace This invention relates to an electric furnace and, in particular an electric furnace having graphite rod heating elements electrically connected into more than one series circuit. In this way, the heating elements can be arranged to provide individually c... | 11/21/1978 |
| 4055745 | Food cooking oven A food cooking oven having exterior walls and inwardly spaced interior walls wherein the interior walls are electrically conductive and are connected to an electrical power source. In operation, the interior of the oven is heated to a food cooking tempera... | 10/25/1977 |
