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In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 4553024 | Gas-purged flexible cable-type immersion heater and method for heating highly corrosive liquids An electric immersion heating apparatus for heating highly corrosive liquids includes a flexible cable-type immersion heater having a continuous coiled resistance heating element disposed in axially spaced pitches and being enclosed in a continuous tubula... | 11/12/1985 |
| 4359625 | Method of preheating immersion nozzle for continuous casting An immersion nozzle for continuous casting resistant to the corrosive action of the melt and the covering material in a mold is made of a refractory material comprising a mixture of electrically conductive graphite and/or silicon carbide, at least one mem... | 11/16/1982 |
| 4310747 | Method and apparatus utilizing a porous vitreous carbon body particularly for fluid heating A body of a specially prepared, porous vitreous carbon which does not crack or substantially change in electrical resistance with time when heated to elevated temperatures in air and which is used in a method or apparatus to heat a fluid stream flowing in... | 01/12/1982 |
| 4223206 | Method and apparatus for electrically heating corrosive vapors A heating device for heating corrosive vapours includes a casing defining a vapour flow path having an inlet and an outlet. A tubular metallic electric resistance heating element is disposed in the flow path and arranged such that the vapours being heated... | 09/16/1980 |
| 4123837 | Heat transfer method A method of enhancing heat transfer between a heating or cooling element (such as a steam tracer heating line) and a conduit or vessel, comprising emplacing heat transfer material (such as a heat transfer cement) in a mouldable or plastic state between an... | 11/07/1978 |
| 4056707 | Electrical heating device for use with aerosol containers A device for heating lather dispensed from an aerosol can comprises a housing enclosing a heat sink having lather directing channels establishing fluid flow communication between an entrance orifice adapted to receive the outlet nozzle of the can and an e... | 11/01/1977 |
| 3952182 | Instantaneous electric fluid heater A miniature electric fluid immersion heater adapted for instantaneously heating relatively small bodies or flow increments of fluid to a predetermined temperature. The heater is particularly adaptable to be mounted immediately in advance of a hot water fa... | 04/20/1976 |
