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| Number | Title | Issue Date |
| 7415198 | Quartz heater tube A quartz heater tube consists of a tube body whose two ends being respectively sealed with a plug, and each plug is provided with a built-in electrode. The inner cavity of the tube body is filled with an inertia gas after being evacuated, and the inner surface there... | 08/19/2008 |
| 7291816 | Transparent electrothermal body and the method of making it A method for making a transparent electrothermal body includes: a) plating ITO (indium tin oxide) onto a surface of a transparent substrate to form an ITO film, and b) printing a conducting material onto a surface of the ITO film to form two connecting portions each... | 11/06/2007 |
| 7186952 | Heatable glazing panel with electrically conductive coating having both heatable and non-heatable coated zones The present invention relates to an electrically heatable glazing panel comprising a substantially transparent, electrically conductive coating layer which is adapted to be electrically heatable and is divided into a plurality of zones, some heatable and some non-he... | 03/06/2007 |
| 6965731 | Convectional radial electric warmer A conventional radial electric warmer includes an upper and a lower support base, plural heaters, a protective net, and an upper, a front and a rear cover. The upper and the lower support base respectively have a fixing frame for the heaters, and plural holes for ho... | 11/15/2005 |
| 6788884 | Space heating system A first partial heating system having a first heat source with an integrated heat source heat exchanger and heat transfer devices spaced from the heat source as a radiator with heat transfer outside surfaces and flow lines and return lines between the heat source he... | 09/07/2004 |
| 6728479 | Panel-type heating element and method for the manufacture thereof The object of this invention is to provide a panel-type heating element having an excellent durability and high effectiveness in power saving. To attain this object, the present invention provides a panel-type heating element consisting of a base which a thin film c... | 04/27/2004 |
| 6117687 | Controlled atmosphere incubator A controlled atmosphere incubator having an interior chamber surrounded by a heated water jacket. A glass access door of the chamber is directly heated by a clear, electrically conductive coating. The door is sealed against the perimeter of the opening by... | 09/12/2000 |
| 5792427 | Controlled atmosphere incubator A controlled atmosphere incubator having an interior chamber surrounded by a heated water jacket. A glass access door of the chamber is directly heated by a clear, electrically conductive coating. The door is sealed against the perimeter of the opening by... | 08/11/1998 |
| 5770835 | Process and apparatus and panel heater for soldering electronic components to printed circuit board In accordance with the present invention, there is provided a soldering process comprising the steps of: providing in a furnace first and second heaters each adapted to emit infrared energy; setting a printed circuit boad, which has a solder paste and an ... | 06/23/1998 |
| 5643483 | Ceramic heater made of fused silica glass having roughened surface An improvement is proposed in a ceramic heater which is an integral body comprising a flat substrate plate made from an electrically insulating ceramic material, e.g., fused silica glass, and a layer of an electroconductive material formed on one surface ... | 07/01/1997 |
| 5616266 | Resistance heating element with large area, thin film and method A large-area, thin film, resistance heating element (21, 46, 81) including a relatively rigid substrate (22, 63, 82), which will retain its mechanical properties at elevated temperatures, an electrically conductive film (26, 64, 84) deposited on the subst... | 04/01/1997 |
| 5177341 | Thick film electrically resistive tracks In a thick film water track, irrespective of track thickness or the material of which the track is constructed, the optimum track width is found to be in the range of from 1.2 mm to 2.1 mm. Further, for a given resistance, the track is longer and may be c... | 01/05/1993 |
| 4587402 | Planar heating unit A planar heating unit comprises a base plate (1) having a surface electrically insulated by an insulation enamel layer (2a) or the like, a heating conductor (3) placed on the insulation surface of the base plate for generating Joule heat, and an enamel la... | 05/06/1986 |
| 4071737 | Heating panel An electrically conductive resinous composition of a copper flake, the surface of which has been cleaned by removing therefrom impurities and/or oxides, a resinous binder, an amount of copper flake in said resinous composition being from 25 to 70 percent,... | 01/31/1978 |
| 4031353 | Electric radiant heater An improved radiant heater has a metal heating plate formed with at least one bulged portion surrounded by a flat transversely extending peripheral flange. Each of the bulged portions has a concave curved inner surface and a convex curved outer heat radia... | 06/21/1977 |
