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| Number | Title | Issue Date |
| 6933471 | Ceramic igniters with sealed electrical contact portion Robust ceramic igniters are provided that include an improved sealing system which can significantly enhance operational life of the igniter. Preferred igniters comprise a conductive cold zone and hot zone with higher resisitivity. A hermetic sealant material covers... | 08/23/2005 |
| 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 |
| 6284981 | Element and method for securing a circuit component to a circuit board A U-shaped metal member for securing a circuit component to a circuit board in place of conventional screws and nuts. The element is inserted through aligned holes of the component and the board and is wave soldered to the board for permanent securement.... | 09/04/2001 |
| 6097003 | Support bar attachment for an electric heater element An apparatus (10) supports an electrical heating element (H) which is mounted in an oven (O). When supplied with electricity, the element heats the oven to cook food. During an operating cycle, the heating element expands and contracts along its length. T... | 08/01/2000 |
| 6020577 | Electric heating element support structures and method of making same A structure is provided for supporting at least one heating element inside an electric heater housing. To produce the support structure, a web is cut out of a metal sheet that includes a rectangular member, one or more support brackets and a neck portion ... | 02/01/2000 |
| 5835680 | Immersion heater and support structure An apparatus for heating water is provided having a water receptacle including a bottom wall and side walls for containing a volume of water therein to be heated. The bottom wall of the receptacle has an exterior surface and an interior surface proximate ... | 11/10/1998 |
| 5641420 | Electric heater having coil with loop that passes through aperture in support A heater element assembly for an electric heater, with a first and a second spaced element support. The first spaced element support has a peripheral edge surface and first and second slots extending inwardly from the edge surface, and an aperture therebe... | 06/24/1997 |
| 5589811 | Power door safety sensing strip A power door safety sensing strip with a bracket strip for attachment to the face of a power operated garage door. The sensing strip includes a flexible insulating tubular member having a bell-like shaped cross section with a wide inner face. A flat insul... | 12/31/1996 |
| 5578232 | Open-coil heater assembly and insulator therefor An open coil electric heater comprising a rigid support frame composed of a pair of longitudinally extending, laterally spaced members, with cross members between and secured to the longitudinal members. The cross members carry ceramic insulator members w... | 11/26/1996 |
| 5281944 | Slide-in resistor grid A resistor grid for dynamic braking of diesel electric locomotives has a rigid frame that includes outer metal side pieces and metal dividers within the frame between which are positioned columns of fan-folded resistor ribbon. The dividers carry support p... | 01/25/1994 |
| 5278729 | Compact rotatable electrical device In a preferred embodiment, there is provided a compact rotatable electrical device for attachment to a mounting panel of an electrical apparatus. The mounting panel has inner and outer surfaces and defines an interior space of the apparatus, with the inne... | 01/11/1994 |
| 5252944 | Film-type electrical resistor combination The film-type electrical power resistor includes a flat chip of aluminum oxide, having a resistive film screen-printed onto one of its sides. Leads are bonded to that side and electrically connected to the film, the leads being such that the chip may be c... | 10/12/1993 |
| 5159310 | Resistor grid heat dissipating assembly A heat dissipating resistor grid has a rectangular or annular frame including side members carrying blocks or panels of insulating material having cavities in their inner surfaces. The resistor element is a zigzag strip formed from individual flat lengths... | 10/27/1992 |
| 5146536 | High temperature electric air heater with tranversely mounted PTC resistors A high-speed, high temperature electrical heater construction, including an elongate air-tunnel, and a plurality of PTC resistance members insulatedly mounted in the walls of the air tunnel, and extending transversely thereof. The PTC resistance members h... | 09/08/1992 |
| 5122640 | Heating element coil support An insulating support for a helical wire heating coil for an electric resistance heating element includes a coil supporting notch into which a single helical coil turn is inserted and locked into position without twisting the coil and without unduly stret... | 06/16/1992 |
| 5029231 | Radiant heat panel A radiant heating panel is formed using a foam insulation core surrounded by a reinforcing mesh and having a pair of wiring harness fixtures snapped over each end of the reinforced core. A radiant heating wire is strung back and fourth between the fixture... | 07/02/1991 |
| 4763227 | Aluminum electrolytic capacitor package with stabilizing third lead A low cost aluminum electrolytic capacitor package having axial anode and cathode leads extending in one direction is capable of being seated and wave-solder connected in horizontal position to a printed circuit board without rolling, which unwanted rolli... | 08/09/1988 |
| 4671058 | Heating device A heating device of the present invention has a heating element of a substantially V-shape and is made of a ceramic material having electric conductivity. Electrode plates are respectively mounted at both ends of the heating element for energizing the hea... | 06/09/1987 |
| 4656340 | Heater coil mounting A heater coil mounting is provided by means of a bracket having seats formed at or adjacent each axial end and into which an insulator through which the heater element passes, is adapted to be received. The bracket is mounted in position on a wall using t... | 04/07/1987 |
| 4617547 | Heater assembly A heater assembly includes a housing which both channels air flowing around a heating element and provides support structure for the elements holding the heating element. In one embodiment, a lower U-shaped channel has recesses in opposed sidewalls to eng... | 10/14/1986 |
| 4590489 | Thermal head A thermal head of the invention has heating resistors each formed between opposite electrodes of a plurality of pairs of opposite electrodes on an insulating substrate. Each of the heating resistors is formed of a plurality of rectangular parallelepiped r... | 05/20/1986 |
| 4320253 | Ceramic beads for heaters A heating element comprising a plurality of ceramic components strung together on a heating wire to form a flexible structure, adjacent ceramic components comprising integrally formed mating projections and depressions. The element comprises ceramic compo... | 03/16/1982 |
| 4263470 | Holding device for electrical resistance elements in furnaces A holding device for electrical resistance elements (1) to be suspended in lead-through bricks (6) in furnaces. The holder (7) is connectable to and braceable towards the lead-through brick by means of an anchoring member (14), secured to the lead-through... | 04/21/1981 |
| 4159415 | Electric slot furnace A slot furnace for heating steel to forging temperatures includes a housing lined with refractory material and a refractory hearth all defining a chamber in the housing for receiving and heating forging stock. A slot is located at the front of the housing... | 06/26/1979 |
| 4144445 | Open coil electric heaters An open coil electric heater wherein the resistance conductor is supported on a frame. The resistance conductor in this instance, instead of being in the form of a single coiled wire, is composed of a plurality of strands of wire so as to reduce the cost ... | 03/13/1979 |
| 3992609 | Support member for electric heating assembly and method of manufacturing A support member for an electric heating assembly of the type having a plurality of heating elements supported by electrical insulators. The support member comprises channel-like strips sized to receive the electrical insulators and includes tab-like port... | 11/16/1976 |
| 3967094 | Electric heating unit support assembly A pair of strips having spaced cutouts therein are placed in lapping relation so the cutouts form openings to receive insulating bushings having circumferential grooves therearound at least some of the end margins of the intervening webs between the cutou... | 06/29/1976 |
| 3963859 | Support assembly for electric heating unit A support strip for insulating bushings has spaced cutouts therein to receive the bushings. A locking bar which closes the open side of the cutouts to hold the bushings in place is arranged so that it interengages with the web portions between the cutouts... | 06/15/1976 |
| 3952409 | Method of manufacture of electric heating assembly A method of manufacturing a support structure for an electric heating assembly from a single piece of metal. The piece of metal is advanced progressively through a plurality of work stations. At a first station, excess material is removed from the piece o... | 04/27/1976 |
| 3935376 | Ceramic insulator for supporting a ribbon-type heating element A ceramic insulator having sidewalls, a front wall and a back wall with an outwardly extending mounting shoulder at the upper end of the front and back walls; a passageway extending between the sidewalls of the insulator to form an open interior portion w... | 01/27/1976 |
