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| Number | Title | Issue Date |
| 6710303 | Intermediate electrical connecting device for seat-heating systems An intermediate electrical connecting apparatus (14) for a seat-heating system (10) includes a first junction (48) and a second junction (50). The first junction (48) is electrically coupled to a first heating element segment (3... | 03/23/2004 |
| 6353707 | Electric heating ribbon with multiple coating sections attached to ribbon An electric heating device includes a flexible resistor ribbon, a plurality of sections of electroconductive coating attached to the resistor ribbon at preset intervals, and connector contacts coupled to the resistor ribbon for enabling connection of a po... | 03/05/2002 |
| 6329900 | Resistor elements A multielement resistor may be assembled into a matrix from a plurality of resistor elements (12) of a U shape construction. The elements (12) are suspended from their upper portions by connecting brackets (16) which are supported by a supporting frame (1... | 12/11/2001 |
| 6069553 | Blower speed control resistors for automotive or other service A layered electrical resistor having flat components stacked as follows: a first metal outer plate, a first thin outer electrical insulator, a first thin sheet metal resistor element, a first thin inner insulator, a metal midplate, a second thin inner ins... | 05/30/2000 |
| 5928549 | Etched foil heater for low voltage applications requiring uniform heating A serpentine etched foil heater has a segmented serpentine conductor group made up of a plurality of spaced-apart elongated serpentine conductive strips that are connected in parallel and are everywhere aligned with each other. Advantageously, central con... | 07/27/1999 |
| 5905427 | Integrated circuit resistor array An integrated circuit resistor array suitable for use as resistors included in a high performance analog integrated circuit is provided. A plurality of resistor stripes are collectively arranged in a region on a substrate. The resistor stripes are made of... | 05/18/1999 |
| 5686880 | Continuous weave resistor grid A resistor grid assembly has a continuous resistor weave with a plurality of generally parallel, plate-like electrical elements. U-shaped bends join two adjacent elements at adjacent ends. The U-shaped bends are located in a bottom group and a top group. ... | 11/11/1997 |
| 5667712 | Expandable multi-segment band heater construction with improved electrical connection An expandable band heater having multiple heater segments wherein a jumper type arrangement is utilized between heater segments to reduce the number of sets of lead wires or other termination configuration for providing power to each of the heater segment... | 09/16/1997 |
| 4999731 | Surge protector for telecommunications systems A surge protector, particularly for protecting components in a telecommunications system, has a thin ceramic substrate on a surface of which is formed a surge protection resistor having a serpentine path extending over the substrate, the width of the path... | 03/12/1991 |
| 4816645 | Method for the manufacture of a heating unit The invention is directed to a method for the manufacture of a heating unit comprising an insulating body having a front and a back side, one or several heating conductors arranged on the front part of the insulating body, and contact and fastening elemen... | 03/28/1989 |
| 4641010 | Battery powered electric hair curler An electric hair curler comprises a handle and a barrel connected thereto for winding thereabout the hair. The barrel is provided with an electric heater for curling the hair wound on the barrel. The heater includes a plurality of resistor elements in the... | 02/03/1987 |
| 4588976 | Resistors obtained from sheet material These resistors are obtained from conductive sheet material, for example metal sheet material (usually referred to as "grids") in which additional plates are provided in order to distribute the current density and consequently to predetermine the temperat... | 05/13/1986 |
| 4559631 | Heat treating furnace with graphite heating elements A heat treating furnace having a work chamber of circular cross-section and having banks of electric resistance heating elements formed by rigid and elongated graphite bars. The graphite bars of each bank are interconnected so as to form an octagon locate... | 12/17/1985 |
| 4142062 | Material heating furnace and heating element A material heating furnace with a heating element formed of corrugated metal strips which are spaced at one of the ends thereof by a jumper strip which is welded or otherwise fastened to the metal strips. Also, terminals are provided which are slotted so ... | 02/27/1979 |
| 4117252 | High temperature furnace A high temperature furnace particularly adapted for fusing crystalline silica includes a housing defining a heating chamber that receives electrically conductive elements with insulators positioned therebetween to establish an electrical flow path for hea... | 09/26/1978 |
| 4115750 | Bimetal actuator An improved bimetal actuator is disclosed. A thin film resistor is fixed to the high expansion side of a bimetal element and, when energized, generates sufficient heat to actuate the bimetal. The resistor has a serpentine configuration formed by a continu... | 09/19/1978 |
| 4092626 | Continuous web consisting of resistance foil material between two insulating foil layers and method for the production of such webs A continuous composite web from which electrical low temperature heating mats can be produced by transverse cutting at certain positions and possibly by effecting an edge insulation and attaching electrical connections. A method for the production of such... | 05/30/1978 |
