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| Number | Title | Issue Date |
| 8101893 | Vestibule apparatus A vestibule for use with a microwave oven having a conveyor mechanism passing there-through is designed to prevent microwave radiation from escaping to the surrounding atmosphere. The vestibule includes a choke region and a paddlewheel region with a trap region loca... | 01/24/2012 |
| 7855352 | Shielding door device for radiation inspection system A radiation inspection system includes a shielding door device for a radiation inspection system, comprising a door body, two guides located on two opposite sides of the door body, a rack, a gear and a motor. The two guides are fixed on an upper surface of a frame a... | 12/21/2010 |
| 7592573 | Microwave cooker comprising a multi-stage choke seal A microwave cooker comprises a body having a cooking chamber therein, the cooking chamber having one opened side, a microwave source disposed at the body for supplying microwave to the cooking chamber, a door coupled to the body for opening and closing the cooking c... | 09/22/2009 |
| 7402784 | Microwave oven with multi-stage choke seal A microwave cooker comprises a body having a cooking chamber therein, the cooking chamber having one opened side, a microwave source disposed at the body for supplying microwave to the cooking chamber, a door coupled to the body for opening and closing the cooking c... | 07/22/2008 |
| 7301132 | Heating apparatus using electromagnetic wave A heating apparatus using an electromagnetic wave is disclosed, by which cut-of performance of an electromagnetic wave is enhanced by increasing an electromagnetic wave absorption bandwidth having cut-off performance below −70 dB. The present invention includes a ... | 11/27/2007 |
| 7291819 | Heating apparatus using electromagnetic wave A heating apparatus using an electromagnetic wave is disclosed, by which a capacity of a cavity is increased and by which cut-off performance of the electromagnetic wave and facilitation of door cleaning can be enhanced. The present invention includes a door provide... | 11/06/2007 |
| 7188477 | High temperature dynamic seal for scramjet variable geometry A seal assembly for use in an engine, such as a scramjet engine, having a movable element, such as inlet cowl flap, is provided. The movable element has an outboard structural member which requires thermal protection. The seal assembly includes a sealing element and... | 03/13/2007 |
| 7166824 | High-frequency heating apparatus and control method thereof The present invention relates to a high-frequency heating apparatus with steam generation function and control method thereof. When high-frequency heating treatment for heat-treating with a high frequency and steam heating treatment for heat-treating with steam gene... | 01/23/2007 |
| 7140159 | Push-in refrigerator door seal and retainer system An in-turned annular flange of a refrigerator door panel is interconnected to an out-turned flange of a door liner through the use of individual seal and liner retainer elements which enable the liner to be snap connected to the door panel. More specifically, with o... | 11/28/2006 |
| 7126097 | Electric oven and choking structure for the same Disclosed is an electric oven including an outer case, a cavity formed in the outer case to receive food, an operating part formed on the outer case to operate the oven, a heater formed to transmit heat into the cavity, a magnetron for oscillating microwave to heat ... | 10/24/2006 |
| 7081605 | Microwave intensification system for a conveyorized microwave oven A microwave oven includes an oven cavity arranged within a housing. The oven includes a door and a motorized conveyor belt for transporting food items through the oven cavity. A microwave energy intensification system is provided below the conveyor belt to concentra... | 07/25/2006 |
| 7078661 | Apparatus for shielding electromagnetic wave of microwave oven door A microwave oven door, and more particularly, an apparatus for shielding electromagnetic wave that compensates for the length of slots formed in an end of an oven door in order to improve the shielding ability capable of preventing the leakage of electromagnetic wav... | 07/18/2006 |
| 7060940 | Electric oven An electric oven is provided with an improved structure for uniform transmission of heat from a heater to food in a cooking cavity. The electric oven includes an outer case, an inner case, a heater cover, at least one heater, a fan housing, and a fan. The outer case... | 06/13/2006 |
| 7022957 | Methods and apparatus for operating a speedcooking oven A microwave choke assembly includes a microwave choke, a glass capture channel coupled to the microwave choke, and a gasket positioned at least partially within the glass capture channel, the glass capture channel and a window separated by a first distance. ... | 04/04/2006 |
| 7002124 | Microwave oven A microwave oven has a casing which forms an appearance and has a front surface backwardly slanted and an adjusting portion formed at the slanted part; a cooking chamber formed inside the casing, for cooking food; and a door rotatably combined, i.e., hinged, at a si... | 02/21/2006 |
| 6940057 | Microwave oven A microwave oven including a cabinet defining a cooking chamber therein, and a door coupled to the cabinet to open and close the cooking chamber. The door includes a door frame forming an appearance of the door, a shielding plate installed in the door frame to preve... | 09/06/2005 |
| 6927374 | Door assembly of microwave oven A door assembly for a microwave or electric oven in which an optimum microwave-shielding frequency is not changed even though an incident angle of microwaves is changed, to enhance a user's convenience in cleaning a door. The door assembly for a microwave oven inclu... | 08/09/2005 |
| 6867404 | Microwave sealing structure and microwave oven having the same A microwave sealing structure prevents leakage of microwave to the outside of the cavity in which microwave resonates, in an apparatus using microwave which includes a cavity in which an internal space is formed so that microwave can resonate having an opening, and ... | 03/15/2005 |
| 6822208 | Microwave door with viewing window The microwave unit door includes a metallic door frame (1) with an interior glass pane (3) and outer glass pane (2) held spaced apart in it. To improve the observability of the interior of the microwave unit without loosing the microwave shieldi... | 11/23/2004 |
| 6791268 | Noise filter for a high frequency generator A noise filter for a high frequency generator maximizes a frequency band in which noise is attenuated by adjusting a spacing between winding turns of core inductors provided in the noise filter. The noise filter includes a coke coil having a first winding unit havin... | 09/14/2004 |
| 6753517 | Microwave-assisted chemical synthesis instrument with fixed tuning An instrument is disclosed for microwave-assisted chemical processes that avoids tuning discrepancies that otherwise result based upon the materials being heated. The instrument includes a source of microwave radiation, a waveguide in communication with the source, ... | 06/22/2004 |
| 6462320 | Dielectric heating device employing microwave heating for heating or cooking substances This invention relates to a dielectric heating device. More particularly, it relates to a dielectric heating device which employs microwave heating, suitable for heating or cooking foodstuffs and suitable for, but not restricted to, use as a domestic or i... | 10/08/2002 |
| 6127664 | Microwave compliant automatically sealing oven door A door assembly for a microwave oven that includes a deformable thin stainless steel plate which is sandwiched between a compression frame and a choke structure. To open the door, the plate is moved upward and away from the compression plate and the choke... | 10/03/2000 |
| 5958278 | Microwave oven having an orthogonal electromagnetic seal An orthogonal electromagnetic seal for an oven that heats items through the use of microwave energy is set forth. The oven has a cavity in which the items are to be placed, an opening to the cavity, and peripheral surfaces that surround the opening to the... | 09/28/1999 |
| 5958276 | Microwave compliant automatically sealing oven door A door assembly for a microwave oven that includes a deformable thin stainless steel plate which is sandwiched between a compression frame and a choke structure. To open the door, the plate is moved upward and away from the compression plate and the choke... | 09/28/1999 |
| 5942144 | Door for microwave oven A door of a microwave oven includes an outer cover defining an exterior of the door, a door frame coupled to the outer cover and forming a choke recess for preventing microwave leakage, and a bracket including two parallel walls surrounding the choke rece... | 08/24/1999 |
| 5897808 | Microwave oven door with microwave leakage seal A microwave oven includes a main body forming a cooking chamber, and a door hinged to the main body. A rear side of the door includes an endless choke groove and a sealing member surrounding the choke groove. The sealing member is biased by a spring into ... | 04/27/1999 |
| 5861612 | Multimode electromagnetic wave energy rejection filter arrangement for a slot waveguide A multimode electromagnetic wave energy rejection filter arrangement for a slot waveguide includes at least one system of series coupled LC-circuits located, at least partly, within a cavity of the slot waveguide and arranged along a predetermined line in... | 01/19/1999 |
| 5789724 | Oven door choke with contamination barrier An oven door has an RF choke, an outer choke cover, first and second inner choke cover members, and a contaminant barrier The RF choke has a first side which is oriented away from a cooking chamber of an oven, and the RF choke has a second side which is o... | 08/04/1998 |
| 5708259 | Microwave decomposition machine with output door mechanism An output door mechanism for a microwave decomposition machine allows a rotating tank to be coupled to a fixed waveguide with both a vacuum and a microwave seal. The fixed waveguide delivers microwave power to the rotating tank in a decomposition machine.... | 01/13/1998 |
| 5429799 | Microwave decomposition machine This invention describes a microwave decomposition machine and method to decompose and sterilize medical waste material using high energy density microwaves, 60 Kilowatts or greater. The medical waste is well stirred and there is no damage of the cavity d... | 07/04/1995 |
| 5204503 | Microwave oven having convection and griddle features A microwave oven having griddle and convection cooking capabilities. A microwave oven cooking cavity has an aluminum bottom with a Calrod heating element coupled thereto. Convection heating is provided by routing air, introduced into the oven to cool elec... | 04/20/1993 |
| 5187879 | Fabric dryer with rotary microwave choke seal A fabric drying system employs a rotating chamber for containing fabric to be dried, a source of microwave energy for heating the moisture in the fabric and rotary choke seals that contain the microwave energy within the rotating chamber. The rotary seals... | 02/23/1993 |
| 5036171 | Electromagnetic wave energy seal arrangement An electromagnetic wave energy seal for a microwave oven comprises a λg/4 choke seal including an internal plate for forming a first capacitive seal, an external plate for forming a recessed chamber with an external plate, a stepped portion having a vert... | 07/30/1991 |
| 4968854 | Dual elastomer gasket shield for electronic equipment An improved gasket shielding for electronic equipment is provided in the form of an integral two-layer component, namely a support layer and a cover layer, the support being strong and having excellent physical properties, and the cover layer being metal ... | 11/06/1990 |
| 4713511 | Continuous substantially planar microwave oven door assembly A microwave oven door includes a flange forming a choke cavity to prevent microwaves from leaking, the flange having first and second walls forming a door surface opposite to a heating chamber such that the first and the second walls accommodate an openin... | 12/15/1987 |
| 4563560 | Microwave oven construction A microwave oven construction is disclosed wherein the oven cavity is assembled without the use of structural welds. A pair of pan shaped members, one forming the oven cavity top and the other forming the oven cavity bottom are placed edge to edge and cri... | 01/07/1986 |
| 4535565 | Gasket fastener arrangement A one-piece, integrally formed clip is provided for securing an elongate compressible gasket of given cross-sectional configuration to a panel having a clip-receiving aperture of predetermined peripheral dimensions. The clip comprises a bight portion dime... | 08/20/1985 |
| 4523387 | Microwave treating mechanism A housing encloses a tumbler-type microwave opaque drum operating on a horizontal axis. A microwave power supply is mounted on the housing with the output directed axially into the drum. The drum has an inner coating or layer of microwave insulating mater... | 06/18/1985 |
| 4523069 | Microwave oven door seal A microwave oven door seal arrangement for inhibiting microwave energy leakage employs an energy splitting and phase shifting device disposed proximate the door gap formed between the access opening to the oven cavity and the oven door. The energy splitti... | 06/11/1985 |
