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"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7278379 | Heat exchange system An improved shell-and-tube steam instantaneous heat exchange system of a closely coupled feedback design which overheats water in the heat exchanger portion of the system and then blends the water, as needed, with proportional amounts of cold water to achieve the co... | 10/09/2007 |
| 6006998 | Apparatus for heating a building using a heat pipe An apparatus, based on a heat pipe, is provided for heating a building having at least one enclosed space that is bounded by a wall. The apparatus includes a plurality of passive heat transfer modules distributed along a dimension of the building and a ho... | 12/28/1999 |
| 5544645 | Combination water heating and space heating apparatus A combination water heating and space heating apparatus includes a water heating unit and a space heating unit releasably coupled with the water heating unit. The water heating unit has a water storage tank and a helically wound tubular heat exchanger ins... | 08/13/1996 |
