Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7368692 | Ridged serpentine waveguide applicator A serpentine waveguide applicator for exposing a material to microwave energy for hearing, drying, or curing. A conveyor transports the material through aligned slots formed in facing sides at consecutive waveguide passes of the serpentine array. Each pass has a rid... | 05/06/2008 |
| 7351590 | Methods and compositions for directed microwave chemistry The present invention concerns a novel means by which specific chosen reactions can be accelerated through the use of a new type of artificial enzyme. The invention allows specific reactions to occur at an accelerated rate, even in the presence of other non-chosen m... | 04/01/2008 |
| 7332697 | Photonic bandgap reflector-suppressor A computer-based design methodology for photonic bandgap devices that permits determination of both the upper and lower bandgap edges in either a one-dimensional or two-dimensional photonic crystal. Using this methodology, a one-dimensional crystal may be created fo... | 02/19/2008 |
| 7265326 | Oven enclosure for a broiling oven with microwave capability Oven enclosure with microwave functionality, in which, at a short distance from an enclosure bottom panel, support elements are provided for accommodating a microwave-permeable base plate serving as a food holder. ... | 09/04/2007 |
| 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 |
| 7223087 | Microwave molding of polymers A mold for relatively uniform heating and molding of a work material to form a workpiece using a microwave oven, includes upper and lower mold members and a sidewall mold member. The mold members are formed from materials selected to have an approximately equal effe... | 05/29/2007 |
| 7196297 | Process and system for thermally uniform materials processing The present invention provides a system and method for binder removal and sintering of materials such as ceramic materials and products, LTCC intervals, solid oxide fuel cells and powder metals. A combination of microwave and convection/radiation heating is employed... | 03/27/2007 |
| 7183514 | Helix coupled remote plasma source A remote plasma source employs a helical coil slow wave structure to couple microwave energy to a flowing gas to produce plasma for downstream substrate processing, such as photoresist stripping, ashing, or etching. The system also includes cooling structures for re... | 02/27/2007 |
| 7141771 | Microwave cooking tray with multiple floor patterns A microwave cooking tray comprises a base having at least two compartments. Each compartment of the base has a bottom surface defining a pattern, the bottom surface of one of the compartments defining a first pattern and a bottom surface of a second of the compartme... | 11/28/2006 |
| 7132621 | Plasma catalyst Methods and apparatus are provided for igniting, modulating, and sustaining a plasma for various plasma processes and treatments. In one embodiment, a plasma is ignited by subjecting a gas in a multi-mode processing cavity to electromagnetic radiation having a frequ... | 11/07/2006 |
| 7128274 | Secure credit card with near field communications A near field communication device included in a secure transaction card provides an addition and/or transitional communication link for communicating secure transaction information. The near field communication device may be selectively engaged or disengaged and, wh... | 10/31/2006 |
| 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 |
| 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 |
| 7029633 | Method and apparatus for reducing uranium trioxide Uranium trioxide is reduced to uranium dioxide using microwave radiation or radiofrequency radiation directed in such a way that the radiation encounters an interface between uranium trioxide and the uranium-containing reduction product without first having passed t... | 04/18/2006 |
| 6906297 | Method and device for microwave-heating prepared meals sealed in trays Trays placed in an autoclave are coupled with microwaves from microwave generators and move back and forth as they are processed to ensure even heating. The generators are placed at the side of the autoclave so each generator connects to a wave guide in the autoclav... | 06/14/2005 |
| 6888116 | Field concentrators for artificial dielectric systems and devices A method of locally concentrating an applied electric field to promote chemical reaction having a dispersion of individual field concentrators on the surface of a substrate, embedded on a substrate, and embedded on the surface of a substrate, in which the individual... | 05/03/2005 |
| 6873876 | System for programming a household appliance having an electronic control A system is described for programming a household appliance that has electronic control means for executing a plurality of control programs. The household appliance operates in accordance with conventional functions, able to perform standard programs, and has the fe... | 03/29/2005 |
| 6861632 | Microwave oven A microwave oven includes a motor for a stirrer and a motor mounting unit. The motor is provided at an outer circumferential surface thereof with a first flange having a hole. The motor mounting unit is provided on an outer surface of a wave guide, and includes a se... | 03/01/2005 |
| 6852963 | Wall-mounted type microwave oven A wall-mounted type microwave oven includes an outer cabinet defining an outer appearance thereof, an inner cabinet disposed in the outer cabinet to define a flow path therebetween, a sensor disposed in the flow path to check conditions of air flowing in the flow pa... | 02/08/2005 |
| 6753516 | Method and apparatus for controlling an electric field intensity within a waveguide A device for heating a material utilizes a rectangular waveguide with an elongated opening for passing a planar material through the rectangular waveguide. A source creates an electric field between a top surface and a bottom surface of the rectangular waveguide. Th... | 06/22/2004 |
| 6707013 | Chaos applied apparatus A rotary nozzle device has: a nozzle composed of plural rotatable hollow links which are mutually passable through, a pump for press-feeding a fluid into the hollow links, and at least one fluid injection port in at least one hollow link of the ... | 03/16/2004 |
| 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 |
| 6674056 | Apparatus for uniforming microwave and heating system using the same The apparatus for uniformly dispersing the microwave comprises a body including a plurality of reflective portions which are made of materials capable of reflecting the microwave and have the horizontal top surfaces and vertical side surfaces. The width o... | 01/06/2004 |
| 6649889 | 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 t... | 11/18/2003 |
| 6433320 | On-demand microwave heating system and method A dispenser for dispensing a heated wet food or beverage product that includes a housing capable of receiving the product, a heating device including an electrical power supply and a magnetron configured to supply electromagnetic energy in the microwave r... | 08/13/2002 |
| 6433322 | Abuse-tolerant metallic packaging materials for microwave cooking An abuse-tolerant microwave food packaging material includes repeated sets of metallic foil or high optical density evaporated material segments disposed on a substrate. Each set of metallic segments is arranged to define a perimeter having a length equal... | 08/13/2002 |
| 6423954 | Shielding method during microwave radiation drying Method for shielding against dangerous microwave radiation during drying of a surface of a water damaged building part by one or more mobile unit(s) emitting microwave radiation against the surface that is being dried, which method comprises installing a ... | 07/23/2002 |
| 6365885 | Microwave processing in pure H fields and pure E fields Embodiments include a process including providing a microwave radiation source and a processing chamber. The process includes generating a region of pure magnetic field from the microwave radiation in the processing chamber. A region of pure electric fiel... | 04/02/2002 |
| 6329645 | Apparatus for dampening standing wave pattern generation in microwave oven An apparatus for dampening standing wave pattern generation in a closed cavity of a microwave oven, includes a fluid table having an enclosure made of a microwave energy transparent material, such as plastic, and a structure, such as top flat platform hel... | 12/11/2001 |
| 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 |
| 6265702 | Electromagnetic exposure chamber with a focal region An electromagnetic exposure chamber has an exterior conducting surface that forms an interior cavity. The exterior conducting surface has a first substantially planar surface, a second substantially planar surface, a first end, and a second end. The first... | 07/24/2001 |
| 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 |
| 6239418 | Microwave oven and components therefor A microwave waveguide or resonator for conducting microwaves of high energy density at high temperature for sintering hard materials has a support of a highly heat-resistant material and a laminated body at least partially mounted on the support and havin... | 05/29/2001 |
| 6121594 | Method and apparatus for rapid heating of fluids A method and apparatus for heating fluids is disclosed. One or more receptacles for holding fluids are located in an interior cavity formed by an exterior conductive surface. In one embodiment, the receptacles are spaced from a side of the exterior conduc... | 09/19/2000 |
| 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 |
| 6087642 | Electromagnetic exposure chamber for improved heating The present invention utilizes dielectric slabs to provide a relatively uniform electromagnetic field to a cavity between two or more dielectric slabs. Each dielectric slab is a thickness equal to or nearly equal to a quarter of a wavelength of the electr... | 07/11/2000 |
| 6075232 | Method and apparatus for electromagnetic exposure of planar or other materials The present invention overcomes many of the problems associated with electromagnetic exposure of planar materials. A diagonal slot compensates for the effects of signal attenuation along the propagation path. Adjustably variable path lengths allow peaks a... | 06/13/2000 |
| 6034363 | Uniform batch processing using microwaves A microwave oven and microwave heating method generates microwaves within a cavity in a predetermined mode such that there is a known region of uniform microwave field. Samples placed in the region will then be heated in a relatively identical manner. Whe... | 03/07/2000 |
| 6034362 | Circularly polarized microwave energy feed A feed that provides circularly polarized microwave energy such as for energizing a cavity in a microwave oven. The feed includes a transformer to match a linearly polarized rectangular waveguide to an exit waveguide which may be circular or square in cro... | 03/07/2000 |
