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4 Matching Results
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Improvement in Devices for Driving Light Machinery from an Irregular Power.
Patent for light machinery that runs on irregular power. Device stores power produced by wind-wheel.
Date:
March 19, 1878
Creator:
Everhart, Martin
System:
The Portal to Texas History
Fire and Burglar Proof Safe.
Patent for a safe "constructed as to be safe from fire and burglars, and at which the same time may be made lighter, and may be less expensive in manufacture than when made in the usual way." (para. 4). Additionally, safe is airtight and water-proof.
Date:
March 18, 1870
Creator:
Wilkins, Samuel Adams
System:
The Portal to Texas History
Improvement in Wind-Wheels.
Patent for a new wind-wheel design with pivoted frame and adjustable wings.
Date:
March 19, 1878
Creator:
Everhart, Martin
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for a new, improved gang-plow for preparing and cultivating land for planting. Illustrations included.
Date:
March 23, 1875
Creator:
Scheumack, Stephen S.
System:
The Portal to Texas History