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
Dry etching patterning of electrical and optical materials
Machine transcription of the US4734152A patent scan, 12 pages.
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patent · · added 2 months ago
High frequency plasma generation apparatus
Machine transcription of the US4716491A patent scan, 7 pages.
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patent · · added 2 months ago
Neutral particle surface alteration
Machine transcription of the US4662977A patent scan, 5 pages.
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patent · · added 2 months ago
Plasma reactor apparatus and method
Machine transcription of the US4464223A patent scan, 9 pages.
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patent · · added 2 months ago
Ion shower apparatus
Machine transcription of the US4450031A patent scan, 24 pages.
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patent · · added 2 months ago
Apparatus for the etching for semiconductor devices
Machine transcription of the US4368092A patent scan, 5 pages.
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patent · · added 2 months ago
Sun tracker system for a solar assembly
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patent · · added 2 months ago
Mounting rack for a photovoltaic module and tracking device for a photovoltaic installation
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patent · · added 2 months ago
Two-shaft rotary hydraulically-moving base for the placing of photovotaic collectors
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patent · · added 2 months ago
Photovoltaic solar collection and tracking system
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patent · · added 2 months ago
Cooling arrangement for conveyors and other applications
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patent · · added 2 months ago
Sun tracker system for a solar assembly
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patent · · added 2 months ago
Heat exchange assembly for swimming pool
Machine transcription of the US4406278A patent scan, 7 pages.
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patent · · added 2 months ago
Solar heating wall
Machine transcription of the US4398529A patent scan, 5 pages.
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patent · · added 2 months ago
Photovoltaic solar collection and tracking system
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patent · · added 2 months ago
Cooling arrangement for conveyors and other applications
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patent · · added 2 months ago
Heat storage device
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patent · · added 2 months ago
Heat storage device
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patent · · added 2 months ago
Sun tracker system for a solar assembly
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patent · · added 2 months ago
Two-axis tracker for solar panels and the like
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patent · · added 2 months ago
Heat storage device
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patent · · added 2 months ago
SUPPORTING BASE FOR FIXED STRUCTURES, OR SOLAR TRACKING FACILITIES, SUPPORTING PHOTOVOLTAIC OR SOLAR THERMAL PANELS
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patent · · added 2 months ago
Solar apparatus
Machine transcription of the US4703749A patent scan, 9 pages.
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patent · · added 2 months ago
Multi-transport modular solar energy system
Machine transcription of the US4261329A patent scan, 17 pages.
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patent · · added 2 months ago
Solar panel mount
Machine transcription of the US4300537A patent scan, 4 pages.
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patent · · added 2 months ago
Thermal storage and heat transfer system and method
A thermal storage and heat transfer system for use with a solar energy heat collector comprising a tank having a plurality of temperature zones therein each zone having, preferably...
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patent · · added 2 months ago
Solar heat absorber
A solar heater having a helix of tubing contained within a transparent box, the box being contained within a second transparent box, forming an air gap between the two boxes on all...
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patent · · added 2 months ago
Heat storage water tank
A heat storage tank suitable for solar house heating systems. The tank includes a rigidly supported bottom panel covered with a layer of stones of substantially uniform size which...
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patent · · added 2 months ago
Support structure for solar energy converter
A plurality of solar energy conversion units, each with a reflecting mirror, are disposed on top of a stem or reed-like tower composed of a bundle of major supply tubes each termin...