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| Number | Title | Issue Date |
| 7989741 | In-line microwave warming apparatus Microwave warming apparatus includes a housing defining a heating waveguide with a heating cavity. An integral internal electrically conductive ridge projects from one of the longitudinal waveguide walls and extends along the waveguide. A slot having opposite ends e... | 08/02/2011 |
| 7964828 | Microwave heating applicator A new type of microwave applicator has been disclosed. The applicator according to an embodiment of the invention makes use of an evanescent main power-transferring mode. This evanescent mode is complemented by a second mode, which is a propagating mode that has the... | 06/21/2011 |
| 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 |
| 7256377 | Coupled-waveguide microwave applicator for uniform processing An apparatus providing uniform microwave processing of products especially those that are likely to absorb microwave energy such as meat and the like. The apparatus uses at least a pair of complimentary processing waveguides. The waveguides are offset along at least... | 08/14/2007 |
| 7202453 | Energy applicators adapted to dielectric heating A dielectric heating system with which the power density applied to the product being treated can be at least doubled without risk of electric arcs. This invention is particularly suitable for treatment of compounds that absorb electromagnetic waves weakly (low diel... | 04/10/2007 |
| 7162114 | Optical energy switching device and method An optical power or energy-switching device, comprising an optical waveguide having an input section and an output section, the two sections forming a pair of opposed surfaces extending transversely through the axes of said waveguide sections, and a thin, substantia... | 01/09/2007 |
| 7145117 | Apparatus for heating a board product including glued wood An apparatus for heating a board product containing glued wood is disclosed. The apparatus includes a heating chamber through which the board product passes. The board product passes through a heating field in the heating chamber provided by means of microwave energ... | 12/05/2006 |
| 7026588 | Microwave treatment of objects and single-piece components The invention concerns a device for microwave treatment in an applicator (1), characterized in that it comprises, arranged in the applicator, impedance adapting dielectric means (2, 7, 8) having shapes and dimensions adapted to the objects (10) ... | 04/11/2006 |
| 7022954 | Microwave cavity resonator for heating printing substance and/or toner Heating a printing substance and/or toner, in an electrophotographic printer, with a standing microwave formed by at least one cavity resonator, with the printed matter being caused to move through the resonator gap. The power distribution of the microwave applied b... | 04/04/2006 |
| 7002122 | Choke assembly for continuous conveyor microwave oven A continuous feed microwave applicator having a choke formed along a longitudinal gap. A conveyor may be fit to run along the length of the applicator, within the gap. ... | 02/21/2006 |
| 6965099 | Geometry for web microwave heating or drying to a desired profile in a waveguide A microwave heater and/or dryer has a nonlinear or curvilinear relative slot profile geometry. In one embodiment, the microwave dryer has at least one adjustable field modifier making it possible to change the geometry of the heater or dryer when drying different we... | 11/15/2005 |
| 6960747 | Microwave applicator system A microwave applicator for heating loads being a waveguide transition between the rectangular TE10 and TE20 modes comprising a TE10 mode section and a TE20 mode section. The location of the load being inside said TE20... | 11/01/2005 |
| 6938358 | Method and apparatus for electromagnetic drying of printed media A method, apparatus and article of manufacture for providing electromagnetic drying of printed media. A resonant cavity allows support of standing waves along many radial axes throughout the resonant cavity. The electromagnetic drying unit allows forced air to be in... | 09/06/2005 |
| 6909075 | Method and apparatus for heat treatment of raw materials Apparatus for heat treatment of raw materials for production of a melt includes a first chamber having a first chamber crucible, a first chamber inlet for a raw material leading to the first chamber crucible, at least one first chamber microwave generator, and a fir... | 06/21/2005 |
| 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 |
| 6901683 | Method and apparatus for electromagnetic drying of printed media A method, apparatus and article of manufacture for providing electromagnetic drying of printed media. A resonant cavity allows support of standing waves along many radial axes throughout the resonant cavity. The electromagnetic drying unit allows forced air to be in... | 06/07/2005 |
| 6870124 | Plasma-assisted joining Methods and apparatus for plasma-assisted joining of one or more parts together are provided. The joining process may include, for example, placing at least first and second joining areas in proximity to one another in a cavity, forming a plasma in the cavity by sub... | 03/22/2005 |
| 6833537 | Microwave system for heating voluminous elongated loads A Microwave heating system includes an elongated cylindrical metal cavity intended for heating a voluminous elongated load. The system includes microwave feeding means arranged to generate a single mode of the circular type TEm;n;p (a so-called whispering... | 12/21/2004 |
| 6787339 | Microfluidic devices having embedded metal conductors and methods of fabricating said devices The present invention provides low cost microfluidic devices having embedded metal conductors. The devices of the invention comprise a electronic component comprising a substrate having a first surface, a layer of electrically-conductive material deposited on a port... | 09/07/2004 |
| 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 |
| 6683287 | Process and device for fixing toner onto a substrate or printed material A device and process for fixing a toner onto a substrate or a printed material, especially a sheet-shaped printed material, preferably for a digital printer, which is characterized in that the printed material that has the toner is irradiated with microwa... | 01/27/2004 |
| 6605454 | Microfluidic devices with monolithic microwave integrated circuits A microwave device has a monolithic microwave integrated circuit (MMIC) disposed therein for applying microwave radiation to a microfluidic structure, such as a chamber, defined in the device. The microwave radiation from the MMIC is useful for heating sa... | 08/12/2003 |
| 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 |
| 6508550 | Microwave energy ink drying method Methods of drying ink using microwaves includes heating deposited ink droplets by passing a microwave applicator over them. In another embodiment, a swath of ink droplets is deposited with a plurality of sequential passes of an ink jet print head, and the... | 01/21/2003 |
| 6472648 | Microwave irradiation continuous flow heating apparatus A continuous flow type heating apparatus using microwave, which can continuously supply hot water with practically usable flow amount and temperature. An open part is formed on a top face of a horizontally prolonged empty box 10 to become an emitting port... | 10/29/2002 |
| 6444964 | Microwave applicator for drying sheet material A microwave applicator suitable for drying sheet material is configured as a dual slot antenna, with one portion of the slot coupled to a wave launching cavity, and the other portion of the slot coupled to an impedance matching cavity.... | 09/03/2002 |
| 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 |
| 6396034 | Method and apparatus for electromagnetic exposure of planar or other materials A path for a material passes through an opening and along a segment through an off-peak region of an electric field. An E-plane bend delivers an electromagnetic wave to the segment. A standing wave is used to heat the material. The peaks or valleys are pu... | 05/28/2002 |
| 6323470 | Method for rapid drying of coated materials with close capture of vapors A method and apparatus for the removing solvents from coated materials while capturing evaporated vapors in a confined space and maintaining non-explosive conditions within the space. Microwave energy may be applied to a coated material as the coated mate... | 11/27/2001 |
| 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 |
| 6259077 | 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... | 07/10/2001 |
| 6246037 | Method and apparatus for electromagnetic exposure of planar or other materials A path for a material passes through an opening and along a segment through an off-peak region of an electric field. An E-plane bend delivers an electromagnetic wave to the segment. A standing wave is used to heat the material. The peaks or valleys are pu... | 06/12/2001 |
| 6211503 | Device and method of heating components made of microwave absorbing plastic With a device for heating parts 8 made of a microwave absorbing plastic and having a microwave generator 1 that generates microwaves of a certain wavelength, an antenna 4 to which the microwaves are conducted, having at least one free end 5 and a device 6... | 04/03/2001 |
| 6207941 | Method and apparatus for rapid drying of coated materials with close capture of vapors A method and apparatus for the removing solvents from coated materials while capturing evaporated vapors in a confined space and maintaining non-explosive conditions within the space. Microwave energy may be applied to a coated material as the coated mate... | 03/27/2001 |
| 6121595 | Applicator to provide uniform electric and magnetic fields over a large area and for continuous processing A microwave applicator that provides a substantially uniform microwave field distribution over a large area, includes an elongated chamber, preferably operating in the length independent mode. A microwave source generates a microwave field at an output fr... | 09/19/2000 |
| 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 |
| 6072167 | Enhanced uniformity in a length independent microwave applicator A microwave applicator including a cylindrical elongated chamber used to process materials therein; a microwave power source capable of producing microwave power having an electric field; a waveguide connected to the chamber couples microwave power into t... | 06/06/2000 |
| 5998774 | 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... | 12/07/1999 |
| 5977528 | Rectangular microwave applicator and waste treatment method A rectangular microwave applicator for processing waste material. The rectangular microwave applicator generally includes an upper cavity and a waste container. The upper cavity defines side walls and a ceiling, the bottom of the upper cavity is open. A s... | 11/02/1999 |
