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| Number | Title | Issue Date |
| 7368685 | Oven and heating unit of oven An oven and a heating unit of the oven are provided. The oven includes a cavity, a heater, a food container, and an ohmic heater. A high temperature environment is formed in the cavity. The food container is mounted within the cavity to receive food therein. The ohm... | 05/06/2008 |
| 7328653 | Industrial apparatus for applying radio-frequency electromagnetic fields to semiconductive dielectric materials Industrial apparatus for applying radio-frequency electromagnetic fields to semiconductive dielectric materials comprises a radio-frequency voltage generator and an applicator device for applying radio-frequency electromagnetic fields. The applicator device comprise... | 02/12/2008 |
| 6914226 | Oven for heating a product with RF energy RF energy provided by electrodes positioned between a product is used to heat a product that exhibits a variable impedance during the heating process. As the product's impedance changes during the heating process, RF heating system impedance can be maintained consta... | 07/05/2005 |
| 6575084 | System for, and method of, irradiating food products A continuously provided ground food product (e.g. meat) is leveled to a particular thickness and then irradiated. The leveler may be formed from two (2) spaced members (e.g., closed loop belts) spaced from each other by a distance progressively decreasing... | 06/10/2003 |
| 6399127 | Method for warming cheese slices The present invention is therefore directed to a method and apparatus for warming a stack of cheese slices. In accordance with the invention, the stack of cheese slices is positioned between and in juxtaposition with opposing generally planar electrodes, ... | 06/04/2002 |
| 6323473 | Packed food pasteurizing device and pasteurizing method A prepackaged food sterilizing apparatus for sterilizing a prepackaged food P has a high frequency generator 71. A high frequency is supplied from the high frequency generator 71 to the prepackaged food P to sterilize the prepackaged food P by dielectric ... | 11/27/2001 |
| 6304718 | Electrolyte electrode for electroheating Electroheating apparatus including a conduit adapted for flow therethrough of a flowable product having a pressure, an electrode circumferentially surrounding the conduit, the electrode defining a first annulus between an inner wall of the electrode and a... | 10/16/2001 |
| 6247395 | High-frequency thawing apparatus An object of a high-frequency thawing apparatus is to uniformly thaw an entirety of an article with high efficiency and high-speed, particularly an article having a relatively large thickness. The apparatus is so constructed that a high-frequency power fr... | 06/19/2001 |
| 6246040 | Solid state RF generator for dielectric heating of food products A solid state radio frequency (RF) generator for dielectric heating of food products. In the preferred embodiment, a distributed oscillator comprising an array of solid state devices (e.g., MOSFETs) and a high voltage inductor drives a capacitor to produc... | 06/12/2001 |
| 6178880 | Integrated modular design of a pulsed electrical field treatment chamber System for treating pumpable products by electrical pulses comprising at least one treatment chamber formed by at least two modules and comprising a flow channel through which product can be pumped, an end electrode at the one end of the treatment chamber... | 01/30/2001 |
| 6138555 | Food processing device and electric system for the processing device, and high voltage-weak pulse electric current impresser for food A safer power supply is used in conjunction with a system for preserving food, oil, organs, or other organic material. The power supply constantly applies a high voltage-weak pulse electric voltage, generated by a transformer using an alternating-current ... | 10/31/2000 |
| 6088509 | Conical shaped electrolyte electrode for electroheating Electroheating apparatus including a conduit, a cone-shaped electrode circumferentially surrounding the conduit, an electrical power source connected to the electrode, an electrically non-conductive endcap connected to the conduit and electrode, the condu... | 07/11/2000 |
| 6034359 | Electrical resistance cooking apparatus with electronic control This is an apparatus for producing prepared food by electrical conduction automatically as disclosed. A control circuit senses the rate of change of current conducted through food as a function of its cooked condition, stops the current to the electrodes ... | 03/07/2000 |
| 6023055 | Apparatus for heating prepackaged foods utilizing high frequency heating with electrodes in a sealed chamber A heating apparatus for heating a prepackaged food, is provided with a heater which heats a prepackaged food, an enclosure which defines an airtight chamber operable to accommodate the prepackaged food, and a pressure controller which controls the inside ... | 02/08/2000 |
| 5928546 | Electrical resistance cooker and automatic circuit controller An automatic circuit controller for cooking food interposed between electrodes connected with a source of AC by electrical resistance in which the resistance increases until the food is cooked and rapidly declines is formed by a current switching element ... | 07/27/1999 |
| 5860359 | Gas-permselective gas pump and warmer for using same A face shaped molding body of first electrode/solid electrolyte/second electrode composed of first and second electrodes on both the faces of the sold electrolyte layer is adapted to impress DC valve between the first electrode and second electrode in a c... | 01/19/1999 |
| 5834746 | Method and apparatus for heating products by means of high-frequency electromagnetic waves The invention relates to a method for the heat treatment of meat products in a feeding element (4) by means of high-frequency electromagnetic waves, and an apparatus for the execution of the method. The invention also relates to an advantageous applicatio... | 11/10/1998 |
| 5771336 | Electrically stable methods and apparatus for continuously electroheating food Electrically stable electroheating apparatus and methods for continuously treating pumpable food are provided. The electrodes of the electroheater are connected to a source of AC electric current which resistively heats the food by passing current through... | 06/23/1998 |
| 5768472 | Apparatus and methods for rapid electroheating and cooling Methods and apparatus for electroheating an electrically conducting flowable material are provided. In a preferred embodiment, flowable material is conveyed from an entrance passageway to first and second electrode assemblies. The flowable material is the... | 06/16/1998 |
| 5695671 | System and process for controlling dielectric ovens A control system for controlling the heating of a product in a dielectric oven comprises at least one dielectric heating circuit including an electromagnetic energy source, such as a triode vacuum tube, having an anode and a resonant circuit including at ... | 12/09/1997 |
| 5653160 | System for heating food stuffs There is disclosed a heating system for producing food stuffs such as a paste food stuff having minced flesh of fish meat as a raw material. The heating system comprises: an electrode row or rows, in which a plurality of roller electrodes are disposed in ... | 08/05/1997 |
| 5652006 | Method of heat processing foodstuff A method of processing a solid foodstuff, such as a meat portion or portion of plant foodstuff, by a heating and cooling cycle in which the environmental pressure applied to the foodstuff is controlled during heating so that, at a maximum target temperatu... | 07/29/1997 |
| 5651907 | Product tray for dielectric oven A removable tray holds a product for heating in a dielectric oven. The tray comprises at least one wall defining an interior, wherein the at least one wall is made from a non-electrically conductive material, such as a polycarbonate resin having a thickne... | 07/29/1997 |
| 5636317 | Electroheating apparatus and methods Electroheating apparatus and methods utilize a dielectric structure defining a conduit course of relatively small cross-sectional area and electrode surfaces of relatively large area so that the electrical current density in a region of the conduit remote... | 06/03/1997 |
| 5630360 | Apparatus for electroheating food employing concentric electrodes An electroheating apparatus to continuously treating pumpable food is made up of a number of connected electroheating cells. In one embodiment, all of the cells include a pair of concentric electrodes between which the food is pumped. The electrodes are c... | 05/20/1997 |
| 5607613 | Electroheating of food products using low frequency current An electroheating cell operating at low voltage and mains frequency, i.e., 60 Hz, is effective in heating a variety of food products including liquid egg products for general processing, as well as pasteurization and sterilization. The electroheating cell... | 03/04/1997 |
| 5591491 | Method for manufacturing biodegradable molded articles A mixture in the form of slurry obtained from mixing a soybean protein, sugar and water is placed between a pair of electrodes. Then, an electroconductive heating process is applied to the mixture under an applied voltage between the electrodes for a pred... | 01/07/1997 |
| 5583960 | Electroheating apparatus and methods Electroheating apparatus and methods utilize a dielectric structure defining a conduit course of relatively small cross-sectional area and electrode surfaces of relatively large area so that the electrical current density in a region of the conduit remote... | 12/10/1996 |
| 5571550 | Methods for electroheating food employing concentric electrodes An electroheating apparatus to continuously treating pumpable food is made up of a number of connected electroheating cells. In one embodiment, all of the cells include a pair of concentric electrodes between which the food is pumped. The electrodes are c... | 11/05/1996 |
| 5556567 | System and process for controlling dielectric ovens A control system for controlling the heating of a product in a dielectric oven comprises at least one dielectric heating circuit including an electromagnetic energy source, such as a triode vacuum tube, having an anode and a resonant circuit including at ... | 09/17/1996 |
| 5553532 | Apparatus for cooking food products using very low and low frequency radio waves Cooking of food products and particularly of dough-based food products such as corn tortillas is effected with a considerably reduced cooking time by applying to the uncooked food product very low and low frequency radio frequency waves simultaneously on ... | 09/10/1996 |
| 5541392 | Product tray for dielectric oven A removable tray holds a product for heating in a dielectric oven. The tray comprises at least one wall defining an interior, wherein the at least one wall is made from a non-electrically conductive material, such as a polycarbonate resin having a thickne... | 07/30/1996 |
| 5512737 | Oven liner for dielectric oven A dielectric oven for heating a product with a tray includes a housing having an access, wherein the housing defines a heating cavity. The oven includes an oven liner which substantially conforms to the interior shape of the heating cavity and forms a lin... | 04/30/1996 |
| 5279213 | Apparatus for producing prepared foods by electrical conduction An apparatus for producing prepared food by electrical conduction comprising: a processing container for electrical conduction having an opened top, a pair of electrodes mounted on both inner sides of the processing container, one ends of said electrodes ... | 01/18/1994 |
| 5266766 | Progressive radio frequency dielectric oven with infra-red radiation A multiple stage oven structure including a radio frequency cooking station and an infra-red cooking station particularly useful for cooking certain food products. The radio-frequency cooking station comprises a first and second electrode and a conveyor t... | 11/30/1993 |
| 5058192 | Method of and apparatus for preparing foods by utilizing electric heating A container having an open upper end is provided with a moisture permeable film member disposed inside the container in such a manner that two outer surfaces of the film member face two mutually opposing inner surfaces of the container, and with a pair of... | 10/15/1991 |
| 5055312 | Electric conduction cooking package The invention relates to a package for electrical conduction cooking of a food product contained therein wherein the electrodes include a raised portion of the bottom wall and a planar top electrode and wherein the recessed area between the raised portion... | 10/08/1991 |
| 4996912 | Apparatus for cooking frankfurters Application of substantial pressure to ends of a frankfurter, concurrent with passing of electrical current, through the application of a cooking tray whose structure accepts multiple frankfurters and allows the pressure to be applied by the use of a carr... | 03/05/1991 |
| 4980530 | Dielectric high frequency fryer A heating device, particularly for food products, includes a housing containing at least a pair of electrodes connected to supply dielectric high frequency heating. The product, contained within a tray, is positioned between the electrodes being connected... | 12/25/1990 |
| 4978826 | High frequency oven with plural heating levels and an improved efficiency of power transfer A high-frequency dielectric oven uses a plurality of oscillating circuits, which are caused to operate in a predetermined phase relationship, to produce a higher voltage distribution within a load capacitor, thus permitting an increase in the space betwee... | 12/18/1990 |
