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| Number | Title | Issue Date |
| 6906611 | Ceramic component comprising an environmentally stable contact system A ceramic component includes a ceramic body, electrodes applied to the ceramic body, electrical connectors that connect the electrodes with one or both of an external circuit and a voltage source, a substance that connects the electrical connectors to the electrodes... | 06/14/2005 |
| 5994995 | Laminated chip varistor and production method thereof A laminated chip varistor has a varistor element including at least one varistor layer and at least two inner electrodes which are laminated alternatively, and outer most layers comprising the same material as the varistor layer; and terminal electrodes e... | 11/30/1999 |
| 5304977 | Film-type power resistor combination with anchored exposed substrate/heatsink The film-type electrical power resistor includes a flat ceramic chip on the upper surface of which is screen-printed a resistive film. Terminals (leads) are mechanically and electrically connected to the upper chip surface, the terminals being such that t... | 04/19/1994 |
| 5075665 | Laminated varistor Respective first end portions of first and second internal electrodes are exposed at respective end surfaces of a varistor body, which is in the form of a rectangular parallelepiped. These end surfaces of the varistor body are covered with low resistance ... | 12/24/1991 |
| 5066852 | Thermoplastic end seal for electric heating elements An electric heating device is disclosed which comprises a generally tubular sheath, an elongated coil of electrical resistance heating wire passing through a portion of the sheath, and a metal terminal at each end of the sheath. The interior of the sheath... | 11/19/1991 |
| 5034595 | Cartridge heater assembly A cartridge heater, wherein the terminal lead pins which project from the terminal end of the heater at the outer surface of the electrical insulating end plug, are substantially reduced in length and provided with at least one flat planar surface on what... | 07/23/1991 |
| 4926030 | End piece for tubular heater An end piece (1) for a tubular heater (2) has an insulator (10) traversed from the end portion (8) by its connecting member (6) in a passage (16) and substantially completely closing the associated end portion (7) of tube casing (3) and on whose end face ... | 05/15/1990 |
| 4903001 | Detecting element using an electrically resistive body, for determining a parameter A detecting element for determining a parameter, including an electrically resistive body formed on a surface of a support, a conductor electrically connected to the resistive body, and a bonding member for securing the conductor to the support. The bondi... | 02/20/1990 |
| 4766410 | High-voltage cylindrical film-type resistor and method of making it A high-voltage cylindrical film-type resistor has cup-shaped end caps that receive the ends of the cylindrical substrate, each end cap having a convexly-radiused rim that has a radius of at least 1.5 mils in a plane containing the substrate axis. In accor... | 08/23/1988 |
| 4701599 | Insulation system of sheathed heating elements An improved copper sheathed heating element for installation in appliances, such as electric kettles, includes a minor amount of a silicone water-proofing agent admixed with magnesium oxide filler agent prior to the element being annealed. Annealing of th... | 10/20/1987 |
| 4678890 | Hermetically sealed metal film resistor A heat sensitive electrical component is hermetically sealed within a glass sleeve by focusing a laser beam on the circumferential ends of the glass sleeve which abut the side wall edges of metal end caps on each opposed end of said component. The glass s... | 07/07/1987 |
| 4586020 | Sheathed resistance heater This invention relates to a sheathed resistance heater which comprises a metal pipe (3), a heating wire (2) received in the metal pipe, and an electrically insulating powder (4) filled in the pipe and also to a method for fabricating same. The electricall... | 04/29/1986 |
| 4506251 | Sheathed resistance heater This invention relates to a sheathed resistance heater which comprises a heating wire (2) received in a metallic pipe 3 and electrically insulating powder (4) packed in the pipe. A metallic powder of the specific type is added to the electrically insulati... | 03/19/1985 |
| 4439667 | Desoldering device and improved heater assembly therefor A suction-type desoldering device includes an elongated tubular heater assembly secured to the forward end of a hollow handle by a radial flange on the assembly. A removable solder collecting chamber adapted to have a vacuum created therein is disposed wi... | 03/27/1984 |
| 4417133 | Fuel tank having an immersion heating element assembly A fuel tank is provided with an electric immersion heating element assembly directly immersible in the fuel within the tank and resting on the curved tank bottom. The assembly includes an elongated, cylindrically shaped, solid aluminum heater body having ... | 11/22/1983 |
| 4395623 | Self-regulating electric heater A self-regulating electric heater includes a casing made of ceramic and a heating unit housed in the casing. The heating unit includes a PTC body for generating heat when electric current is supplied, heat dissipating plates essentially made of brass and ... | 07/26/1983 |
| 4346287 | Electric heater and assembly An electrical heater comprising a heating element, a sheath surrounding the heating element and spaced therefrom, the sheath having an end spaced from an end of the heating element, electrical insulation between the heating element and the sheath, an inte... | 08/24/1982 |
| 4331860 | Electrical resistance heating element Electrical resistance heating element comprising at least one heating conductor in the form of an element which is provided at opposite surfaces with an electrical contacting means and is made of a material having a positive temperature coefficient of ele... | 05/25/1982 |
| 4287502 | Cartridge heater structure An elongate, electric resistance heater having a tubular case, a plug in and spaced from one end of the case and elongate, flexible jacketed power lines extending through the plug and axially outward from said end of the case, an elongate, tubular, flexib... | 09/01/1981 |
| 4282003 | Method for constructing a self-regulating electric heater A method of constructing a self-regulating electric heater particularly useful for heating compressor lubricant and the like is disclosed in which a cylindrical body of electrically insulative ceramic is formed with an axially extending generally parallel... | 08/04/1981 |
| 4270114 | Energy transmission devices A device for inclusion in the ignition current circuit of internal combustion engines in which a body of electrically conductive, irregularly shaped metal granules forms a flowpath in the form of a labyrinth between a pair of end terminals. Compaction pre... | 05/26/1981 |
| 4266992 | Method for end to end connection of mineral-insulated electric cable and assembly for same A method of end-to-end connection single- or multi-conductor electric cables having compressed mineral insulation and apparatus for end-to-end connection. The conductive metal sheath and the mineral insulation which covers the conductor(s) are removed alo... | 05/12/1981 |
| 4251720 | Heater assembly A heater assembly for a container such as a cooking vessel includes a heating coil in a tubular heater casing, with a connecting pin member connected to the heating coil and projecting through an insulating sleeve mounted to the end of the casing. A plug ... | 02/17/1981 |
| 4236065 | Self-regulating electric heater A self-regulating electric heater particularly useful for heating compressor lubricant and the like is disclosed in which a cylindrical body of electrically insulative ceramic is formed with an axially extending generally parallelepiped shaped slot in com... | 11/25/1980 |
| 4186369 | Connector for terminating the end of a sheathed heating element A connector for terminating the end of a sheathed heating element is formed by an elongated body having a cavity at one end. The cavity includes at least one surface having a diameter dimension adapted to slidingly engage one of the diameter surfaces of t... | 01/29/1980 |
| 4182948 | Electric heating elements An electric heating element of the type having a metal tubular sheath, a resistance conductor within the sheath, a terminal pin connected to an end of the resistance conductor and having an outer end projecting outwardly of the open end of the sheath, ele... | 01/08/1980 |
| 4178497 | End seals for electric immersion heating elements A terminal end seal for a metal-sheathed electric immersion water heating element of a water heating tank includes a plastic sealing plug disposed within a pocket at the end of the sheath in surrounding relationship to the terminal pin and locked in seali... | 12/11/1979 |
| 4176336 | Lacquer-encapsulated carbon film resistor A lacquer-encapsulated carbon film resistor having a ceramic substrate coated with a carbon film, a silicon nitride layer, an organic lacquer layer and termination electrodes.... | 11/27/1979 |
| 4159458 | Encapsulated electrically conducting component with reservoir end caps A component and method for applying end caps thereto is provided. A wire extends within a body defining a body sidewall and oppositely facing body ends with opposite end portions of the wire extending outwardly beyond the body ends and bent over so that t... | 06/26/1979 |
| 4117589 | Method of manufacturing a hermetically sealed electronic component A method of manufacturing a passive hermetically sealed electronic component having a coupling element of soft alloy material between the component element and the leads for providing strain relief. The component element is composed of a passive element h... | 10/03/1978 |
| 4100398 | Laminated electrically heatable window with electrical connectors A laminated electrically heatable window has a transparent electrically conductive layer embedded in the window to act as a sheet resistor, and conductive bus bars embedded in the window in contact with the resistive layer. A portion of each bus bar exten... | 07/11/1978 |
| 4091267 | Self-regulating electric heater A high efficiency, self-regulating temperature-controlling fluid sump heater for external mount or internal well use comprising a D-shaped thermally conductive housing having a chamber therein and a plurality of heating elements in the chamber. The heatin... | 05/23/1978 |
| 4069465 | Cylindrical varistor and method of making the same A varistor has a cylindrical core made of a sintered varistor material which includes a longitudinal opening between the core ends. A pair of terminating layers are applied to the core, each adhering to one of the ends of the core and being in electrical ... | 01/17/1978 |
| 4068205 | Resistance element for a resistance thermometer There is provided a resistance element comprising a cylindrical carrier body, a rectangular bore therein in the direction of the longitudinal axis, a ceramic plate within said bore and securely bound to a flat wall of said carrier body, a thin layer plati... | 01/10/1978 |
| 4064475 | Thick film varistor and method of making the same A thick film varistor comprises a varistor film sandwiched between a pair of electrodes, one of which is in contact with a cylindrical substrate. Alternatively, the electrodes may be positioned on the same surface of the film--either in contact with the s... | 12/20/1977 |
| 4039996 | Electric heating elements An electric heating element, particularly of the cartridge type, comprising two elongated dielectric cores disposed within a metallic sheath. Each core has a plurality of longitudinally extending openings therein and more particularly one core has three l... | 08/02/1977 |
| 4039995 | Electric heating elements An electric resistance heating element, comprising at least two elongated dielectric bodies, each having a plurality of openings extending longitudinally thereon in radially displaced, parallel relation. Three metal pins fit into openings in the dielectri... | 08/02/1977 |
| 4034330 | Sheath heater A sheath heater comprises a pipe having two open ends, a pair of electrical terminals connected to a heat radiant body in the pipe, a region of electrically insulating powder having a high melting point and loaded inside the pipe to fix the heat radiant b... | 07/05/1977 |
| 4016527 | Hermetically sealed film resistor A hermetically sealed fixed film resistor including a coupling element of soft alloy material between the resistive element and the leads for providing strain relief. The resistive element is composed of a resistive film having coated ends composed of a r... | 04/05/1977 |
| 4010440 | Electrical resistor component assembly which is hermetically sealed The present hermetically-sealed electrical resistor component assembly is composed of a sleeve of high-density, non-porous, non-hydroscopic material into which there is slip-fitted an electrical resistor component. Said electrical resistor component is se... | 03/01/1977 |
