Celebrity Inventors
Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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 |
| 7820953 | Microwave oven and radiating structure of microwave in microwave oven There is provided a microwave oven. In the microwave oven, a screw covering part is protruded toward an inside of a waveguide for an installation of a motor, a convergence preventing part is formed at a portion of a cavity with a shape corresponding to that of the s... | 10/26/2010 |
| 7273580 | Ferromagnetic resonance excitation and its use for heating substrates that are filled with particles Process for heating a substrate, which contains, relative to the total weight of the substrate, 0.1 to 70 wt. % of metallic, magnetic, ferrimagnetic, ferromagnetic, antiferromagnetic or superparamagnetic particles having an average particle size of between 1 and 500... | 09/25/2007 |
| 7241980 | Control method for a microwave oven A control method for a microwave oven equipped with a tray installed in a cooking chamber to rotate a popcorn bag while having a popcorn cooking mode to cook popcorn. During cooking, rotation of the tray is temporarily stopped near the point of time when the popcorn... | 07/10/2007 |
| 7227109 | Microwave ovens The oven cavity (1) of a microwave oven includes an apertured launch wall (3) on the external side of which a launch box (5) is mounted so as to cover the aperture. Two three or four magnetrons supply microwave energy to the launch box (5... | 06/05/2007 |
| 7199342 | Self-aligned mechanical joint between die and substrate exposed to mixed microwave energy The present invention includes a mechanical joint between a die and a substrate that is reflowed by microwave energy and a method of forming such a mechanical joint by printing a solder over a substrate, placing the solder in contact with a bump over a die, reflowin... | 04/03/2007 |
| 7178436 | Method of cutting carbon and alloy steel The present invention discloses a method and apparatus for controlling the load on the blade of a steel-cutting saw A programmable logic controller senses the spindle motor load current and compares it with the desired optimum operating current. Variations in hardne... | 02/20/2007 |
| 7145119 | Microwave cooker having antenna in cooperation with movable stirrer A microwave cooker includes a body having a cooking chamber therein, a microwave source disposed at the body for generating a microwave, a wave guide for guiding the microwave generated from the microwave source into the cooking chamber, a rotation antenna installed... | 12/05/2006 |
| 7105787 | Reverberating adaptive microwave-stirred exposure system A method and apparatus for adaptively maintaining the power-frequency spectrum in a reverberation chamber. The invention is thus capable of maintaining a relatively constant power-frequency spectrum in the chamber even when a device under examination is placed into ... | 09/12/2006 |
| 7091457 | Meta-surface waveguide for uniform microwave heating A method and apparatus for creating uniform heating of an microwave absorptive target. A microwave housing has a longitudinal axis and propagates a waveguide mode at an operating frequency. The target is located in an axial cross-sectional area relative to the longi... | 08/15/2006 |
| 7087873 | High frequency heating apparatus with steam generating function A high-frequency heating apparatus with a steam generating function, which heat-treats a to-be-heated object by supplying at least high-frequency waves or steam to a heating chamber 11 that accommodates the object. This high-frequency heating apparatus has a ... | 08/08/2006 |
| 7059765 | Temperature measuring apparatus and related improvements An apparatus for measuring the temperature of an object. The apparatus includes a device for establishing a standing wave pattern or radiation emanating from the object and a coupling device for coupling the radiation to a detector, such as a measuring radiometer. | 06/13/2006 |
| 7034266 | Tunable microwave apparatus Disclosed is a method and apparatus for tuning a microwave apparatus. The chamber volume of the microwave apparatus can be changed by moving a flexible portion of a flexible wall while a perimeter portion of the flexible wall remains fixed. ... | 04/25/2006 |
| 7030347 | Microwave oven with mode stirrer A microwave oven, which has a circular polarized wave stirrer for uniformly heating food, is disclosed. The microwave oven includes a magnetron generating electromagnetic waves, a waveguide guiding the electromagnetic waves generated from the magnetron to a cavity, ... | 04/18/2006 |
| 7012228 | Microwave oven with phase modulator and fan on common driveshaft A microwave oven comprises a magnetron for delivering microwave power to a cavity of the oven, a rotatable phase modular (19) an electrical resistance heating element (12) and a rotatable fan (20) for forcing air over the resistance heating elem... | 03/14/2006 |
| 6982401 | Microwave oven Microwave oven including a cavity for placing food therein, a magnetron for generating a microwave, a waveguide having at least two slots for guiding the microwave from the magnetron to an inside of the cavity, and a stirrer fan rotatably mounted on an inside of the... | 01/03/2006 |
| 6888117 | Combination hood and microwave oven A combination hood and microwave oven, in which the construction of a drive circuit relating to an exhaust device is simplified, reducing its manufacturing cost, and in which the number of user's manipulations required to operate the exhaust device is reduced, provi... | 05/03/2005 |
| 6781102 | Microwave feed system for a cooking appliance having a toroidal-shaped waveguide A microwave delivery system for a cooking appliance having a cooking chamber includes a toroidal-shaped waveguide, a magnetron, a tubular feed member interconnecting the magnetron with the toroidal-shaped wave guide and a field flux generator positioned about the tu... | 08/24/2004 |
| 6770859 | Microwave oven A microwave oven includes openings and microwave dispersing apparatuses which are arranged to align with a magnetron in a row below a cooking cavity so as to reduce the overall size of a waveguide and uniformly reflect high-frequency electromagnetic waves to all reg... | 08/03/2004 |
| 6686575 | Microwave oven having side wave dispersing unit A microwave oven effectively and uniformly cooks large-sized food even though the food inhibits a proper rotation of a cooking tray in a cooking cavity of the microwave oven. An upper wave dispersing unit is provided at a top wall of the cooking cavity an... | 02/03/2004 |
| 6657171 | Toroidal waveguide for a microwave cooking appliance A microwave delivery system for a cooking appliance includes a toroidal waveguide having a ring diameter twice that of the wavelength of the microwaves produced by a magnetron, and a cross-sectional diameter equal to one-half of the produced microwaves. T... | 12/02/2003 |
| 6614011 | Microwave oven including antenna for properly propagating microwaves oscillated by magnetron An opening is formed in a right side of a heating chamber. The opening is covered by a protection cover. A waveguide is connected to the opening. A magnetron is connected to the waveguide. The magnetron has a magnetron antenna. An emission antenna is arra... | 09/02/2003 |
| 6614010 | Microwave heating apparatus The present invention relates to an apparatus for heating a sample, such as chemical reaction mixtures, whose dielectric properties varies during the heating process. In particular, the present invention relates to a microwave heating apparatus comprising... | 09/02/2003 |
| 6590191 | Method and apparatus for electromagnetic exposure of planar or other materials A source provides an electromagnetic wave that has a range of frequencies. The source sweeps the frequency of the electromagnetic wave between a cutoff frequency and double the cutoff frequency. The location, angle, or effective angle of an opening is adj... | 07/08/2003 |
| 6576879 | Microwave oven with wave distributing device A microwave oven having a wave distributing device. A motor-operated rotor is installed inside a cooking cavity to distribute high-frequency electromagnetic waves ("microwaves") generated by the oscillation of a magnetron. The wave distributing device inc... | 06/10/2003 |
| 6469287 | Combination ventilated hood and microwave oven A combination microwave ventilated hood cooking system including a microwave oven with a cooking cavity; a magnetron for generating microwaves located adjacent the cooking cavity; and cooling fan outside the cooking cavity. The cooking cavity including at... | 10/22/2002 |
| 6469286 | Variable-impedance unit, microwave device using the unit, and microwave heater A compact and highly controllable impedance-varying-unit, a microwave device using the same unit, and a high-frequency-heating appliance using the same unit are provided. The impedance varying unit includes a rectangular waveguide-section as a main body m... | 10/22/2002 |
| 6268596 | Apparatus and method for microwave processing of liquids A microwave heating apparatus designed to allow concentration of microwave power to a liquid sample to be processed, by use of a field-perturbing tool disposed within or proximate to the volume of liquid. Uniformity of processing is achieved by circulatin... | 07/31/2001 |
| 6239416 | Apparatus and method for microwave heating using chaotic signals An apparatus and method for heating a microwave oven using a deterministic chaotic signal. The microwave oven includes a heating compartment, a magnetron for generating microwaves, a waveguide for directing the microwaves into the heating compartment and ... | 05/29/2001 |
| 6114677 | Microwave heating apparatus having a metal plate rotatably disposed in a wave guide A microwave heating apparatus includes a magnetron (6) mounted on a top surface of a wave guide (7). A bottom surface of wave guide (7) is inclined towards the bottom of the wave guide opening. A metal plate (9) is provided with a predetermined clearance ... | 09/05/2000 |
| 6025580 | Microwave and far infrared drying under reduced pressure A method of drying objects includes the steps of placing the objects into a pressure reduction tank, placing a metallic element having a single or plural number of sharp edge into the pressure reduction tank, subjecting the objects to controlled microwave... | 02/15/2000 |
| 6013909 | Portable microwave oven having a door with stirrer A portable microwave oven includes: electrical components for generating microwaves; a heating chamber for food to be heat cooked; and a door for allowing food to be put in and taken out from the heating chamber. The door incorporates a microwave stirrer ... | 01/11/2000 |
| 6008483 | Apparatus for supplying microwave energy to a cavity A microwave oven excitation system comprising a cylindrical microwave launcher for radiating microwave energy into a heating cavity of a microwave oven which is mounted adjacent to the heating cavity, a quarter-wave matching waveguide secured to the launc... | 12/28/1999 |
| 5998775 | Microwave oven having a cooking chamber reflecting microwaves at varying angles A microwave oven includes a main body, a cooking chamber provided in the main body, and an electrical component compartment containing electrical components, including a magnetron for supplying microwaves to the cooking chamber. Disposed in the cooking ch... | 12/07/1999 |
| 5990466 | Apparatus for supplying microwave energy to a cavity A microwave oven excitation system comprising a cylindrical microwave launcher for radiating microwave energy into a heating cavity of a microwave oven which is mounted adjacent to the heating cavity in either a substantially vertical position or a substa... | 11/23/1999 |
| 5877479 | Microwave oven with a turntable and mode stirrers A microwave oven equipped with a microwave stirrer. The oven has a magnetron for generating a microwave, a tray for rotating a foodstuff, a stirrer for uniformly dispersing the microwave into a chamber, and a driving device for simultaneously driving the ... | 03/02/1999 |
| 5859412 | Microwave and far infrared drying under reduced pressure A method of drying objects includes the steps of placing the object into a pressure reduction tank, placing a metallic element having an acute-angled portion into the pressure reduction tank, reducing to the pressure toward a predetermined single reduced ... | 01/12/1999 |
| 5828042 | Uniform heating apparatus for microwave oven and method thereof A uniform heating apparatus for a microwave oven and a method thereof which are capable of more uniformly heating food by generating various resonant modes based on the kind of food. The apparatus includes an oscillator unit having a wave guide tube for g... | 10/27/1998 |
| 5796080 | Microwave apparatus for controlling power levels in individual multiple cells A microwave processing system is disclosed. The system is particularly useful for concurrently controlling a plurality of chemical reactions from a single microwave source. The system comprises a source that produces electromagnetic radiation in the micro... | 08/18/1998 |
| 5786579 | Microwave oven waveguide with mode transducer and differential mode absorber Disclosed is a wave guide used in a microwave oven, by which superimposed high-frequency microwaves are radiated towards food to be heated, and distorted waves included in the high-frequency microwaves are removed. The wave guide has a housing provided wi... | 07/28/1998 |
| 5567338 | Method for controlling the microwave feed in a microwave oven, and microwave oven with such control A method for controlling the microwave feed in a microwave oven, as well as a microwave oven for implementing the method, is disclosed. The power level (P) of the microwaves is controlled by periodic activation or inactivation of the microwave radiation s... | 10/22/1996 |
