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| Number | Title | Issue Date |
| 7188406 | Methods of manufacturing enhanced electrical cables Disclosed are methods of manufacturing electrical cables. In one embodiment of the invention, method for manufacturing a wellbore cable includes providing at least one insulated conductor, extruding a first polymeric material layer over the insulated conductor, serv... | 03/13/2007 |
| 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 |
| 6536133 | Method and apparatus for drying harvested crops prior to storage Reduction of moisture in harvested crop particles. Waste heat from an internal engine carried by a harvester is applied to the crop during the harvesting process. Microwave energy is applied to the crop, concurrently with application of the heat, or separ... | 03/25/2003 |
| 6201224 | Method of making a composite wood product from wood elements A method of producing a consolidated composite wood product composed of discrete wood elements and a binder by forming a layup and preheating only a central longitudinal portion of the layup by application of microwave energy across the longitudinal axis ... | 03/13/2001 |
| 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 |
| 6020580 | Microwave applicator having a mechanical means for tuning A microwave applicator includes an elongated chamber, preferably having a cylindrical shape, for processing materials therein. A waveguide, connected to the elongated chamber, couples microwave power into the elongated chamber. The cross-sectional area of... | 02/01/2000 |
| 5977529 | Method, device for the heat treatment of materials in a microwave oven and use of this method and device A method and apparatus for the heat treatment of hard metals, cermets and ceramics in a microwave sintering furnace, the material to be treated being moved together with the resonator relative to one or a plurality of microwave sources. The material to be... | 11/02/1999 |
| 5902510 | Rotary microwave oven for continuous heating of materials A microwave furnace for heating materials has a microwave chamber with two microwave compartments made of microwave reflective material for retaining microwaves. One of the compartments is fixed and has an opening for discharging heated material. The othe... | 05/11/1999 |
| 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 |
| 5470423 | Microwave pultrusion apparatus and method of use A microwave pultrusion apparatus (10) with a frame (103, 104) with fingers (109, 110) contacting the material (200) to be processed. The frame and fingers prevent leakage of the microwaves from the cavity (12) and can be replaced or modified for various m... | 11/28/1995 |
| 5367147 | Method and apparatus for continuous microwave regeneration of adsorbents Apparatus and method for regenerating saturated adsorbents using microwave energy. A saturated adsorbent, such as activated carbon, is fed onto a continuously moving conveyor belt. The conveyor belt transports the carbon to a microwave cavity where the ca... | 11/22/1994 |
| 4673560 | Generation of sulphur trioxide from oleum using microwave energy Process and apparatus for the generation of sulphur trioxide from oleum using microwave energy for use in the sulphonation and nitration of organic compounds and the fortification of oleum. The process provides improved control of production and concentra... | 06/16/1987 |
| 4357188 | Method for manufacturing cigarette filters A method for manufacturing cigarette filters which have a well-stabilized shape in which acetate fibrous tows impregnated with carboxylic acid ester of polyol are formed into a predetermined shape, uniformly impregnated with water, and irradiated with mic... | 11/02/1982 |
| 4332091 | Microwave drying device for drying products in form of grains A microwave drying device for drying products in the form of grains, comprising a microwave source, at least one waveguide coupled electromagnetically to the microwave source, means for injecting into this waveguide the product to be treated, means for dr... | 06/01/1982 |
| 4237145 | Method of preparing foodstuffs containing coagulating proteins and a device for performing the method A method and apparatus for the treatment of protein containing foodstuffs wherein the foodstuffs are pumped in a microwave transparent tube through an applicator for exposure to microwave TM021 energy. The foodstuffs may be in paste form. If th... | 12/02/1980 |
| 4184060 | Process for developing a two-component diazotype material on a non-metallic carrier, which material can be developed by the influence of heat This invention relates to an improvement in the process for developing a two-component diazotype material on a non-metallic carrier and which can be developed by the influence of heat, and contains, in particular, compounds which can be decomposed under t... | 01/15/1980 |
| 4005301 | Microwave heat treating furnace A microwave furnace having a tunnel-like structure within which are arranged paired coherent sources of electromagnetic radiation that develop electromagnetic fields that have an interference pattern in which the average density of electromagnetic waves i... | 01/25/1977 |
