patent · · added 2 months ago
Solar heat apparatus
Machine transcription of the US4334522A patent scan, 7 pages.
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patent · · added 2 months ago
Machine transcription of the US4334522A patent scan, 7 pages.
patent · · added 2 months ago
patent · · added 2 months ago
patent · · added 2 months ago
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patent · · added 2 months ago
Machine transcription of the US4602615A patent scan, 4 pages.
patent · · added 2 months ago
Machine transcription of the US4509502A patent scan, 7 pages.
patent · · added 2 months ago
Machine transcription of the FR2520448A1 patent scan, 11 pages.
patent · · added 2 months ago
Machine transcription of the US4331129A patent scan, 13 pages.
patent · · added 2 months ago
Machine transcription of the US4299201A patent scan, 8 pages.
patent · · added 2 months ago
This invention relates to a method and an apparatus which can be used either to heat or cool water through solar technology merely by the addition or removal of a few materials fro...
patent · · added 2 months ago
Machine transcription of the US4640044A patent scan, 3 pages.
patent · · added 2 months ago
A spherical system for the concentration and extraction of solar energy includes a boiler fitted with a heat transfer fluid such as liquid sodium and connectable to means for conve...
patent · · added 2 months ago
Machine transcription of the US4166769A patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US4367016A patent scan, 4 pages.
patent · · added 2 months ago
Machine transcription of the US4341201A patent scan, 8 pages.
patent · · added 2 months ago
Machine transcription of the US4221466A patent scan, 7 pages.
patent · · added 2 months ago
Machine transcription of the US4556294A patent scan, 3 pages.
patent · · added 2 months ago
Machine transcription of the US4459970A patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US3182654 patent scan, 3 pages.
patent · · added 2 months ago
Machine transcription of the US3174915 patent scan, 6 pages.
patent · · added 2 months ago
Machine transcription of the US1672750 patent scan, 7 pages.
patent · · added 2 months ago
Machine transcription of the US3125091 patent scan, 8 pages.
patent · · added 2 months ago
An electric igniter system for a fuel burner including an electrical resistance type igniter, wherein the resistance element is of a type having a negative temperature coefficient...
patent · · added 2 months ago
Machine transcription of the US4405299A patent scan, 5 pages.
patent · · added 2 months ago
A glow coil ignitor including a coil of molybdenum disilicide wire having straight end portions of approximately equal lengths, said coil being in the shape of a helix having an ap...