Patents in subclass Electric Heating/Absorption

Parent class: Electric Heating

Number Patent title Issue Date
06822208 Microwave door with viewing window

The microwave unit door includes a metallic door frame (1) with an interior glass pane (3) and outer glass pane (2) held spaced apart in it. To improve the observability of the interior of the microwave unit without loosing the microwave...		 11/23/2004
06605266 Use and process for production of nanotubes

Separable nanotubes are made from a transition metal oxide, preferably from a vanadium oxide of variable valence. They show a greater oxidation resistance than the carbon-based nanotubes known so far and offer many new and economic...		 08/12/2003
6054848 Method and apparatus for detecting electromagnetic waves

A detector facilitates visualization of electromagnetic radiation, including radio frequency radiation. The electromagnetic radiation is converted to thermal energy by partial absorption of the radiation, and is made visually observable...		 04/25/2000
5981927 High visibility microwave oven door with screen and microwave absorbing material

A microwave oven comprises a cabinet and a door attached to the cabinet to form a food processing chamber. The door has a screen, an absorbing film, and a frame. The screen reflects microwave energy away from the absorbing film, the...		 11/09/1999
5965056 Radio wave absorbent

A radio wave absorbent comprises an Ni--Cu--Zn base ferrite having a major composition comprising 49 to less than 50 mol % of Fe.sub.2 O.sub.3, 32 to 35 mol % of ZnO, 3 to 9 mol % of CuO and 9 to 14 mol % of NiO. The radio wave absorbent...		 10/12/1999
5897808 Microwave oven door with microwave leakage seal

A microwave oven includes a main body forming a cooking chamber, and a door hinged to the main body. A rear side of the door includes an endless choke groove and a sealing member surrounding the choke groove. The sealing member is biased...		 04/27/1999
5824999 Microwave leakage-preventing device for a microwave oven

A microwave oven door includes a shielding panel, which is made of a material through which microwaves cannot pass, having a contact section that opposes a front panel of the oven when the door is closed. A plurality of slits arranged in...		 10/20/1998
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...		 06/16/1998
5500235 Method for making a microwavable, expandable package


The method of forming a microwaveable package, generally from a pluralityof liners of material, and incorporating a heat-assist layer preferablyintermediately of the liners of material, which said heat assist materialcomprising powdered carbon, that...		 03/19/1996
5324887 Screen printed of mask printed microwave absorbing material on module lids to suppress EMI


An absorber for a microwave module and method of fabrication thereofwherein an ink is provided from a mixture of powdered iron and a resin.The ink is then screen printed or mask printed onto the interior surfaceof the lid of the microwave module in...		 06/28/1994
5321223 Method of sintering materials with microwave radiation


A method of sintering ceramic materials following: A compacted articlecomprising inorganic particles coated with carbon is provided, the carbonproviding improved microwave coupling. The compacted article is thenheated by microwave radiation to a...		 06/14/1994
5304766 Methods and apparatus for simultaneously treating a plurality of samples in a moist medium


A plurality of samples in a moist medium are treated simultaneously in amicrowave cavity. The samples are conducted into the cavity throughapertures formed in an upper wall of the cavity. Each aperture issurrounded by a chimney configured to create...		 04/19/1994