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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7320183 | Method for drying honeycomb formed structure The invention provides a honeycomb formed structure drying method including causing undried honeycomb formed structures 10 placed on stands 12 to pass through a drying apparatus 1, thereby drying the undried honeycomb formed structures through h... | 01/22/2008 |
| 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 |
| 7222738 | Sorting system for multiple conveyor belts An apparatus and a method for sorting workpieces (204) includes multiple conveyors (201, 202), a scanner (208), an offloading device (216), a workpiece processor (218), and a computer (210). The computer has instructions for... | 05/29/2007 |
| 7183527 | Installation for microwave heating of a product held in containers The installation includes a microwave heater station (14) having a microwave applicator, and a support (10) suitable for supporting the receptacles (12) in the heater station. The support (10) has at least one receptacle zone (20) ... | 02/27/2007 |
| 7170040 | Microwave susceptible insulated label and packaging material A microwave susceptible insulated packaging material includes a thermal insulating layer, which may be a fiberfill batt. The insulating layer is laminated to at least one layer of a co-extruded film which has been coated on one surface with a microwave susceptible m... | 01/30/2007 |
| 7137334 | Devices, systems and methods for thawing, heating and/or glazing previously frozen baked goods or dough-based products Devices, systems and methods for thawing, heating and/or glazing previously frozen baked goods and other dough-based products, wherein the products can be thawed in an environment having a selected temperature and elevated humidity; the conveyor is configured to pre... | 11/21/2006 |
| 7101464 | Microwave pyrolysis apparatus for waste tires A microwave distillation apparatus provides destructive distillation of whole waste tires. The apparatus includes a housing including a plurality of vertically arranged chambers. A preheat chamber provides preheating of a whole waste tire received therein. An irradi... | 09/05/2006 |
| 7087874 | Apparatus for drying ceramic molded articles using microwave energy An apparatus and a method, for drying ceramic molded articles, are disclosed. A drying apparatus (1) comprises a drying chamber (10) for accommodating ceramic molded articles (8), a plurality of microwave generators (20) for supplying mic... | 08/08/2006 |
| 7059317 | Conveyer oven An object of the present invention is to provide a conveyer oven having a high heat efficiency and excellent cooking performance. Foods F are carried into a heating chamber 10 by a conveyer 60 and conveyed to the upper portion of the heating chamber. W... | 06/13/2006 |
| 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 |
| 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 |
| 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 |
| 6888115 | Cascaded planar exposure chamber A device for heating relatively wide planar materials is formed by at least two parallel waveguides. Each waveguide has an opening that forms a single opening for a planar material. The planar material is propelled in a direction parallel to the propagation of an el... | 05/03/2005 |
| 6852958 | Microwave heating container Container designed to contain a product having to be heated by applying microwaves, the container having a side wall (10) and an end wall (12) formed by a base or a lid and means (10A) for limiting the penetration of the microwaves through the s... | 02/08/2005 |
| 6831259 | Apparatus for the heating of pressed stock in the manufacture of boards of material An apparatus for the heating of pressed stock in the manufacture of boards of material or in the manufacture of veneer panels. The apparatus includes a microwave preheating device having rod antennae disposed in series, reflective shields, and a heating cell configu... | 12/14/2004 |
| 6744025 | Apparatus for hot-pressing a planar product The invention relates to an apparatus for hot-pressing a planar product in a process using microwave heating. The apparatus comprises a constant-volume, box-like microwave resonant cavity divided into two opposed subcavities by an elongated gap suitable for passing ... | 06/01/2004 |
| 6532683 | Drying method for woven glass fabric A process for the drying of woven glass fabric to be used in a reinforcing laminate in sensitive electronic equipment is disclosed. The process implements a drying technique utilizing microwave energy for drying.... | 03/18/2003 |
| 6463677 | Method and device for moisture profiling Method and device for moisture profiling of fibrous material web to be dried in machines for manufacturing and/or refining of fibrous material web. Method includes subjecting fibrous material web to electromagnetic waves in the form of high-frequency wave... | 10/15/2002 |
| 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 |
| 6442866 | Method and apparatus for drying or heat-treating products The invention relates to a method and an apparatus for drying or heat-treating substances or products at a pressure other than atmospheric pressure. The invention relates furthermore to banana chips dried by means of this method and banana powder produced... | 09/03/2002 |
| 6425190 | Method and device for moisture profiling A method and device for moisture profiling of a fibrous material web to be dried in machines for manufacturing and/or refining this web that includes subjecting the fibrous material web to electromagnetic waves in the form of microwaves and/or high-freque... | 07/30/2002 |
| 6297479 | Method and apparatus for drying or heat-treating products The invention relates to a method and an apparatus for drying or heat-treating substances or products at a pressure other than atmospheric pressure. The invention relates furthermore to banana chips dried by means of this method and banana powder produced... | 10/02/2001 |
| 6294773 | Microwaving in a carousel with magnetrons below a food product isolated by a nonconductor One or more magnetrons may be used directly underneath the foods to be cooked/heated. However, a thin layer of nonconductor, such as a glass is used to physically isolate the magnetrons from the foods while permitting the microwave energy to transmit thro... | 09/25/2001 |
| 6153868 | Microwave application device, particularly for baking products on a metal carrier A device for applying microwaves particularly for cooking products on a metallic support, includes at least one microwave generator (G) and a metallic waveguide, particularly of rectangular cross section (1, 11, 11', 11", 11"'). The waveguide forms a cook... | 11/28/2000 |
| 6037569 | Automatic heating oven system An automatic heating oven system employs a cabinet containing a heating chamber with radiant heating elements and a turntable rotatable at a fixed slow angular speed. A thermocouple controls the heating elements to maintain the turntable above a minimum e... | 03/14/2000 |
| 5994686 | Microwave heat-treating device with concave reflectors The invention relates to a device for heat treating products by microwave radiation with a heating chamber to take the products in which the microwaves (16) can be coupled to a device (12) in the heating chamber (2) and the heating chamber (2) has at leas... | 11/30/1999 |
| 5962057 | Process for drying mango and pineapples A vacuum microwave dehydration process for drying fresh mango and pineapple fruit pieces at low temperatures which results in a product with a "fresh", uncooked flavor and a unique crunchy texture with little or no shrinkage which can not be achieved thro... | 10/05/1999 |
| 5950325 | Method and apparatus for low temperature continuous drying of temperature sensitive materials (granular agricultural pesticides) at atmospheric pressure using radio frequency energy The present invention provides a method and apparatus for agitation-free, low temperature drying of fragile, temperature sensitive, granular materials at atmospheric pressure using Radio Frequency (RF) energy to provide the heat of evaporation. A relative... | 09/14/1999 |
| 5892208 | Apparatus and method for microwave curing of resins in engineered wood products An apparatus, system, and method, for using circular mode magnetic microwave energy to heat the interior regions of a work piece of wood fiber and glue. The microwaves are generated and transmitted as rectangular waveguide mode microwave energy, and are c... | 04/06/1999 |
| 5869816 | Apparatus and method for continuous processing of granular materials using microwaves An apparatus and method for the continuous processing of a granular material in a wet or dry state. The apparatus comprises first and second heating chambers, and the heating energy is provided by microwave energy. The first chamber preheats the granular ... | 02/09/1999 |
| 5834744 | Tubular microwave applicator An assembly for applying microwave irradiation to a load having a generally circular cross-section. The applicator supports a dominant TM120 mode and the load is aligned with a central axis in the applicator, with each aperture of a pair of fee... | 11/10/1998 |
| 5767492 | Tunnel oven for cooking food, including a device for connecting two tunnel oven segments A connection device for two successive segments (1A, 1B) of a tunnel oven for cooking food, comprises a first sleeve (16A) fixed to the frame (18) of the tunnel and second sleeve (17) secured to the tunnel segments (1A, 1B). The second sleeve (17) is moun... | 06/16/1998 |
| 5756975 | Apparatus and method for microwave curing of resins in engineered wood products An apparatus, system, and method, for using circular mode magnetic microwave energy to heat the interior regions of a work piece of wood fiber and glue. The microwaves are generated and transmitted as rectangular waveguide mode microwave energy, and are c... | 05/26/1998 |
| 5750966 | Plant for pasteurizing or sterilising solid or liquid food products using microwaves A plant for pasteurizing or sterilising solid or liquid food products subjects the previously packaged products to heat treatment using microwaves in a pressurized chamber, in order to guarantee its conservation for long periods of time. At least three ph... | 05/12/1998 |
| 5667828 | System and method for pasteurizing citrus juice using microwave energy A system and method for pasteurizing citrus juice with the use of microwave energy provide a plurality of microwave chambers through which juice is continuously flowed, the sequential flowing permitting a gradual increase in juice temperature that is suff... | 09/16/1997 |
| 5597504 | Microwave refining and melting furnace A microwave refining and melting furnace for the treatment of dissolved or solid products includes a first waveguide traversed by a microwave beam generated by a generator coupled to a first end of the first waveguide. The first waveguide is provided with... | 01/28/1997 |
| 5589140 | Continuous denitration apparatus A continuous denitration apparatus capable of ensuring mass processing of a nitrate solution of a nuclear fuel and a continuous stable operation. By a rotation of screws, uranium nitrate solution supplied from a liquid feed inlet is continuously conveyed.... | 12/31/1996 |
| 5541390 | Tunnel oven for microwave heating and cooking foods The tunnel oven comprises an elongated enclosure connected to an inlet closure and an outlet closure and traversed by a conveyor transporting the food to be cooked. The enclosure is delimited by a wall forming a floor, a wall forming a ceiling, and two si... | 07/30/1996 |
| 5525783 | Microwave heating device for lime and calcining A two-zone lime mud calciner is provided for processing lime mud from kraft pulp recovery operations. A conveyer is employed for conveying lime mud horizontally through the calciner. The first zone and second zone of the calciner each contains a dielectri... | 06/11/1996 |
| 5514853 | Microwave tunnel heating apparatus An apparatus assembly for heating a product has a tunnel and microwave generators positoned for generating a microwave field zone within the tunnel. A conveyor belt extends within the tunnel for passing a product through the tunnel. A plate formed of a ma... | 05/07/1996 |
