Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7161119 | Multiple filament for sheathed-element glow plugs A sheathed-element glow plug, in particular for internal combustion engines, includes a housing, a glow plug situated on the housing and having a heating and regulating filament situated in the glow tube, current being applicable to this heating and regulating filam... | 01/09/2007 |
| 7075775 | Chip-type electronic component In a chip-type electronic component of the present invention, at least one surface of a ceramic body is a convexly curved surface. Specifically, at least one surface in a thickness direction of the ceramic body may be convexly curved, and the side surface of the cer... | 07/11/2006 |
| 7038572 | Power chip resistor A method and apparatus for a stacked power chip resistor is disclosed. The invention provides for multiple power chip resistors to be stacked, providing for encapsulant such as glass to separate each power chip resistor and a metal barrier such as nickel plating on ... | 05/02/2006 |
| 6759940 | Temperature compensating device with integral sheet thermistors In accordance with the invention, a temperature compensating device comprises one or more integrated sheet thermistors. Because the sheet thermistors are relatively thick and integral with the substrate, they are less susceptible to changes in air temperature and to... | 07/06/2004 |
| 6747543 | Resistor for driving motor for air conditioner blower A resistor for driving a motor for an air conditioner blower is provided, in which internal resistance bodies are stacked over one after another between insulation plates in the resistor, to accordingly reduce the volume of the entire of the resistor is reduced, and... | 06/08/2004 |
| 6637256 | Gas sensor and manufacturing method for the same An air side cover is attached to a proximal end of a housing so as to confine an aerial atmosphere therein. A measured gas side cover is attached to a distal end of the housing so as to confine a measured gas atmosphere therein. A glass sealing material a... | 10/28/2003 |
| 6542066 | Electric assembly and device An electrical device comprising a pair of electrodes, three substrates, and PTC elements inserted between the substrates, each PTC element having metal layers on both surfaces, in which each of the outer substrates has a metal layer on the inner surface, ... | 04/01/2003 |
| 6414281 | Hot-toe multicell electric heater A multicell heater is shown with typically round outer tubing, containing a plurality of resistive heating elements having a common inner sheath. The inner sheath has a preferably non-circular cross-section and is given a hairpin bend to form a "U" shape.... | 07/02/2002 |
| 6097277 | Resistor network with solder sphere connector A resistor network has a substrate with top and side surfaces. Resistors are located on the side surfaces. Several side conductors are located on the side surface and are electrically connected to the resistors. Several top conductors are located on the t... | 08/01/2000 |
| 5010316 | Thermocouples of enhanced stability There is described mineral-insulated metal-sheathed (MINS) cables in which the sheath alloy has the following compositions: ______________________________________ Element Concentration (wt. %) ______________________________________ Cr ... | 04/23/1991 |
| 4929092 | Resistance temperature detector A resistance temperature detector measures the temperature of fluid flowing through a pipe at a given point in the pipe. In the temperature detector, normal and backup temperature sensing resistance elements are secured with inorganic adhesive onto an inn... | 05/29/1990 |
| 4733053 | Glow element In a glow element with a glow tube (30) closed at the outer end, in which there at least two series-connected resistors (10, 11), whereby one of the at least two resistors being conductively connected by one end to the closed end of the glow tube and the ... | 03/22/1988 |
| 4644140 | Electric heating arrangement for spray nozzles An electrically heated spray nozzle, such as for spraying plastics, includes a highly compressed tubular heating body wound about a spray nozzle as a plurality of coil windings. The heating body has a tubular steel inner jacket containing a pair of spaced... | 02/17/1987 |
| 4617455 | Electrical heating cartridge An electrical heating cartridge comprises a jacket, preferably of metal, at least one electrical heating coil and a thermocouple element positioned in the jacket which are imbedded with clearance from each other and from the jacket in a specially packed i... | 10/14/1986 |
| 4468556 | Electric heating elements The electric heater herein disclosed is particularly adapted to heat a fluid and to provide a broad, substantially flat heater surface exposed to the fluid to be heated. The heating element is well adapted for deep fat frying use in that it is of high vol... | 08/28/1984 |
| 4423309 | Quick heat self regulating electric glow heater A sheathed electric heater especially of the type used as diesel engine glow plugs has a dual coil heating element including separate tip heater and PTC body control coils thermally isolated by a low resistance connector section made from interengaging sm... | 12/27/1983 |
| 4392051 | Parallel-type heating cable A method and apparatus for parallel-type heating cables. In accordance with the present invention a heating core element is formed by connecting two essentially parallel bus wires with a plurality of electrically conductive splices to a centrally disposed... | 07/05/1983 |
| 4179797 | Method of making a resistor array A resistor array formed by the process of forming a plurality of holes or grooves in an electrically insulating substrate, filling the holes or grooves completely with a flowable, electrical resistance material, and then hardening the resistance material.... | 12/25/1979 |
| 4046989 | Hot water extraction unit having electrical immersion heater Means for varying the heating rate of an immersion heater in a hot-water extraction unit comprising a solution tank in which an electrical immersion heater is mounted in order to decrease the warm-up time of the unit. In the preferred embodiment, the mean... | 09/06/1977 |