Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7439821 | DC to DC transmission system A DC to DC transmission system includes at least three conductors between a source and a sink, a first switch which alternately connects each conductor to the source, a second switch which alternately connects each conductor to the sink. The switches are synchronize... | 10/21/2008 |
| 7111983 | Temperature detection method and apparatus for inverter-driven machines A resistance temperature detector device and system are provided for measuring the temperature adjacent to windings within a stator assembly. The resistance temperature detector comprises a resistive element enclosed within a plurality of insulative layers, includin... | 09/26/2006 |
| 7005954 | High current long life inductor An inductor for high current applications includes a nonconductive, tubular form which defines a tube axis and has a cylindrical outer surface. The outer surface is formed with a groove that extends helically about the tube axis. The inductor further includes a coil... | 02/28/2006 |
| 6912921 | Torque detecting device A torque detecting device includes an elastic member disposed between an input shaft and an output shaft of a torque transmitting apparatus, first and second resolvers detecting rotational angles of the elastic member at sides of the input shaft and the output shaft... | 07/05/2005 |
| 6791033 | High-voltage insulation system The present invention relates to a high-voltage insulation system which is suitable for low temperatures and which, in addition to a cooling liquid (3) comprises a solid material insulator (2) based on a cellulose fabric (20). The solid material... | 09/14/2004 |
| 6670880 | Downhole data transmission system A system for transmitting data through a string of downhole components. In one aspect, the system includes first and second magnetically conductive, electrically insulating elements at both ends of the component. Each element includes a first U-shaped tro... | 12/30/2003 |
| 6596200 | Electronic material composition, electronic parts and use of electronic material composition Provided is an electronic material composition which is capable of forming a cured film exhibiting a desired glass transition temperature, a desired stiffness modulus in a rubbery state and a desired extensibility at low temperatures. Also provided is an ... | 07/22/2003 |
| 6351202 | Stationary induction apparatus A stationary induction apparatus superior in insulating ability against a surge voltage includes a coil piece on a line end side surrounded by one electrostatic shield insulating layer. The coil piece and electrostatic shield insulating layer, together wi... | 02/26/2002 |
| 6323602 | Combination equalizing transformer and ballast choke A ballast circuit includes an equalizer transformer for equalizing current between two or more lamps operated in parallel, combined on one core with a choke. In a 2-lamp embodiment, four windings are provided on one main core. The first and second are clo... | 11/27/2001 |
| 6168696 | Non-knurled induction coil for ionized metal deposition, sputtering apparatus including same, and method of constructing the apparatus An RF induction coil for inductively coupled ionized sputtering applications having at least one extremely smooth surface, on the order of about 30 μm or less, which faces, substantially resides within, or is immediately proximate a plasma field in a spu... | 01/02/2001 |
| 6163234 | Micromagnetic device for data transmission applications and method of manufacture therefor A data transmission micromagnetic integrated circuit having a ferromagnetic core, a method of manufacture therefor and a data transmission circuit employing the same. In one embodiment, the micromagnetic integrated circuit includes: (1) a substrate; (2) a... | 12/19/2000 |
| 5579887 | Coin detection apparatus A differential type sensing unit which includes a winding core having a winding shaft is described. In one embodiment, a post extends from the winding shaft and is located intermediate first and second winding ends of the winding shaft. The post facilitat... | 12/03/1996 |
| 5545916 | High Q integrated inductor An inductive structure for use in high frequency integrated circuits is provided. A conductive path forming the structure is arranged so extra conductive material is located at portions of the cross-section of the conductive path where current tends to fl... | 08/13/1996 |
| 4670342 | Method of making electrical inductive devices for use in hermetic refrigerant atmospheres A method for making an electrical inductive device for use in hermetic atmospheres which incorporate refrigerants such as halogenated methane compositions, for example refrigerant R-22, monochlorodifluoromethane. The device may be a wound coil device form... | 06/02/1987 |
| 4457792 | Method of manufacturing a molded coil A method of manufacturing a molded coil for use in an electric apparatus such as a molded transformer or a reactor. The method includes the steps of covering a winding with an insulating prepreg, curing the prepreg under heat, and casting a synthetic resi... | 07/03/1984 |
| 4060783 | Magnetic circuit and method of making A low cost magnetic circuit and method of making the same are disclosed. The magnetic circuit comprises an integral magnetic core having at least four legs in a closed magnetic path, at least one leg thereof with a circular cross section and a bobbin rota... | 11/29/1977 |
| 3968465 | Inductor and method for producing same There is provided a gap in a magnetic circuit of an iron core inductor, and a plurality of small size permanent magnet pieces are placed in the aforesaid gap, with the magnetizing directions thereof being provided in side-by-side relation. If the magnetiz... | 07/06/1976 |
