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4 Matching Results
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Compression Indicator
Patent for a device that determining the compression of engine cylinders. Is meant to provide a more efficient and quicker way to test compression in explosive engine cylinders.
Date:
November 26, 1918
Creator:
Lambeth, Acey L.
System:
The Portal to Texas History
Fireproof and Waterproof Paint.
Patent for a fireproof and waterproof paint composed of English resin, pulverized alum, graphite, mineral red, hydrocarbon, gloss oil, and coal tar.
Date:
July 26, 1910
Creator:
Barnes, James John
System:
The Portal to Texas History
Water-Fence.
Patent for the improved design of a water fence with specifications that allow the passage of a log without fully raising the fence; includes illustrations.
Date:
March 26, 1901
Creator:
Walton, John H. & Ball, William M.
System:
The Portal to Texas History
Sash-Balance.
Patent for improvements in window-sash balances, in which the two sashes are connected, “so that they will not only balance but also either may be raised or lowered without affecting the other.” (Lines 17-20) Illustration is included.
Date:
May 26, 1891
Creator:
Christian, James F.
System:
The Portal to Texas History