patent · · added 2 months ago
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Everything the archive has gained lately, newest first. Also as a feed for whatever you read feeds with.
August 2026
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patent · · added 2 months ago
Burners
Machine transcription of the US2813578A patent scan, 4 pages.
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patent · · added 2 months ago
Heavy fuel burner with combustion gas recirculating means
Machine transcription of the US2918117A patent scan, 5 pages.
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patent · · added 2 months ago
Method of gasifying liquid fuels
Machine transcription of the US3161228A patent scan, 4 pages.
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patent · · added 2 months ago
Low NOx burner
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patent · · added 2 months ago
Burner
Machine transcription of the US2402971 patent scan, 5 pages.
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patent · · added 2 months ago
Hot-air heater having means to recirculate cooled gases
Machine transcription of the US2424765 patent scan, 4 pages.
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patent · · added 2 months ago
Means for controlling fuel combustion
Machine transcription of the US2401836 patent scan, 3 pages.
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patent · · added 2 months ago
Furnace
Machine transcription of the US2333531 patent scan, 3 pages.
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patent · · added 2 months ago
Gas burner
Machine transcription of the US2362972 patent scan, 6 pages.
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patent · · added 2 months ago
Liquid-fuel burner and control mechanism therefor
Machine transcription of the US1684079 patent scan, 7 pages.
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patent · · added 2 months ago
Liquid-fuel burner
Machine transcription of the US1614359 patent scan, 5 pages.
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patent · · added 2 months ago
Hydrocarbon-burner.
Machine transcription of the US1023422 patent scan, 7 pages.
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patent · · added 2 months ago
Air heater and method op operating the same
Machine transcription of the US1790870 patent scan, 5 pages.
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patent · · added 2 months ago
Liquid-hydrocarbon-burning apparatus.
Machine transcription of the US964031 patent scan, 6 pages.
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patent · · added 2 months ago
Apparatus for burning fuel oil
Machine transcription of the US1591891 patent scan, 7 pages.
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patent · · added 2 months ago
Of san francisco
Machine transcription of the US1699732 patent scan, 7 pages.
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patent · · added 2 months ago
Solar heating and storage unit
Machine transcription of the US4537180A patent scan, 6 pages.
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patent · · added 2 months ago
Gas-fired infrared burner
Machine transcription of the US3403965A patent scan, 5 pages.
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patent · · added 2 months ago
Hand shrink apparatus
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patent · · added 2 months ago
Solar water heater
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patent · · added 2 months ago
Solar power plant
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patent · · added 2 months ago
A shower heated by solar energy
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patent · · added 2 months ago
Solar heating and cooling apparatus
Machine transcription of the US4674476A patent scan, 10 pages.
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patent · · added 2 months ago
Manufactured fuel assisted solar heat exchanger
Machine transcription of the US4535754A patent scan, 11 pages.
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patent · · added 2 months ago
Solar heat collector
Machine transcription of the US4513731A patent scan, 7 pages.
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patent · · added 2 months ago
A solar collector with absorber comprising a plurality of spirally coiled tubes defining non-coincident surfaces
Machine transcription of the EP0095135A3 patent scan, 3 pages.
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patent · · added 2 months ago
Illuminated solar energy collector
Machine transcription of the US4355628A patent scan, 6 pages.
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patent · · added 2 months ago
Solar energy collector
Machine transcription of the US4341204A patent scan, 13 pages.
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patent · · added 2 months ago
collector