Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7071446 | De-icing, snow melting and warming system A de-icing, snow melting and warming system is taught which utilizes a heatsink (20) consisting of a number of board strips disposed in a planer array positioned within a building structure between its exterior and interior surface. The heatsink board strips ... | 07/04/2006 |
| 6737615 | Heat conductor coil for heating a flowing gaseous medium and electrical resistance heating element A heat conductor coil for heating a flowing gaseous medium is configured to be attached to a support configuration and has a heat conductor wound in windings following an ascending line of a coil to form the heat conductor coil, wherein the ascending line of the coi... | 05/18/2004 |
| 5835679 | Polymeric immersion heating element with skeletal support and optional heat transfer fins Electrical resistance heating elements, hot water heaters containing such elements, and methods of preparing such elements are provided. The electrical resistance heating elements of this invention can be disposed through a wall of a tank for heating flui... | 11/10/1998 |
| 4628189 | Electric resistance heater An insulator for a coil-type electric resistance heater is disclosed in which the insulator has inclined side faces forming the outer end of the insulator angling inwardly toward one another with side notches in the insulator at the base of the inclined s... | 12/09/1986 |
| 4525622 | Ceramic glow plug The heat generating member in a ceramic glow plug is a coil embedded in the ceramic. The coil is wound to have a coil angle, i.e. an angle formed between the coil and a line parallel to the coil axis, of no more than 60°. The ceramic may be a non-oxide c... | 06/25/1985 |
| 4238636 | Heater for resistance furnaces The present invention relates to a heater, primarily for pressure furnaces for extremely high temperatures for isostatic compression. The resistance elements of the heater are arranged between two metal rings at different levels which are supported by con... | 12/09/1980 |
| 4163146 | Electrical heating element comprising a helix of wire wound on at least one insulating plate A heating element comprises a resistance heating wire formed with closely adjacent zigzag loops and wound helically on an insulating plate or a pair of such plates mounted crosswise and possibly narrowing conically towards one end. Opposite loops engage t... | 07/31/1979 |
