GreenOutlet LLC
GreenOutlet LLC Patent applications | ||
Patent application number | Title | Published |
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20110232634 | SOLAR HEATING APPARATUS - A solar heating apparatus is disclosed that, in one embodiment, comprises a heating coil with improved heating efficiency comprising a first lateral tube comprising rounded ends and an elliptical cross section for a portion extending between the ends that is connected by a rounded end cap to a second lateral tube also comprising rounded ends and an elliptical cross section for a portion extending between the ends. | 09-29-2011 |