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 |
| 6530778 | Condensation oven for heat treating a workpiece A condensation oven arranged to treat a workpiece including a casing having an internal structure defining a hermetic enclosure accessible via at least one door, a heater device operable to heat the internal structure to a predetermined temperature to ena... | 03/11/2003 |
| 6440048 | Low cost fuser rollers A fixing apparatus for electrostatographic reproduction or digital printing comprising: (a) a core (b) a gudgeon friction welded to said core, the gudgeon consisting of through slots or holes in a shoulder of said gudgeon.... | 08/27/2002 |
| 5611476 | Solder reflow convection furnace employing flux handling and gas densification systems A solder reflow convection furnace employing flux collection and heating to minimize flux and solvent build up and gas densification to reduce input gas flow is disclosed. As solder melts in the furnace, an effluent of vaporized flux is driven off and can... | 03/18/1997 |
| 5460642 | Aerosol reduction process for metal halides A method and apparatus for continuously producing metals such as zirconium, hafnium, titanium, niobium, vanadium, silicon and tantalum. The corresponding metal halide is reacted with a metallic reducing agent such as aluminum, calcium, magnesium and sodiu... | 10/24/1995 |
| 5181648 | Method and apparatus for vapor phase soldering and cleaning products The described cleaning of work pieces, in particular printed circuit boards or assemblies, after the soldering, is performed by washing with an inert cleansing fluid which is maintained at a temperature slightly below the melting point of the solder. As a... | 01/26/1993 |
| 4765068 | Hot zone arrangement for a vacuum furnace The present arrangement is a hot zone structure for a vacuum furnace which includes an endlessly shaped outside wall (e.g. shaped substantially into a circle) preferably made of stainless steel. Disposed next to the inside surface of the outside wall is a... | 08/23/1988 |
| 4238186 | Methods and apparatus for heating articles selectively exposed to a generated vapor through a volume controllable vapor barrier Several methods and apparatus (10, 60) are disclosed for vapor condensation heating only a selected underside surface area of an article (18, 18') while continuously minimizing loss of the generated vapor (26b, 26b') to the atmosphere. In accordance with ... | 12/09/1980 |
| 4194297 | Method and apparatus for generating a controllably exposed vapor body for heating articles This disclosure is directed to the vapor condensation heating of articles to an elevated temperature so as to perform, for example, a soldering, brazing or fusing operation thereon, without requiring the immersion of the articles within the heat transfer ... | 03/25/1980 |
