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30 Matching Results
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30
Rubber Compund and Material for Use in Making the Same.
Patent for a rubber compound, which is not damaged by oils and therefore usable in bearings. It features asphaltic bitumen rather than paraffin bitumen.
Date:
December 31, 1907
Creator:
Strain, Ebenezer W.
System:
The Portal to Texas History
Treatment of Mined Sulfur.
Patent for a method to improve the free burning properties of mined sulfur by carbonizing the oil and eliminating carbon.
Date:
April 19, 1921
Creator:
Bacon, Raymond Foss, 1880-1954.
System:
The Portal to Texas History
Treatment of Mined Sulfur.
Patent for heating sulfur under appropriate conditions in order to carbonized oil contained within, allowing stationary sulfur to burn without difficulty or interference from carbon.
Date:
April 19, 1921
Creator:
Bacon, Raymond Foss, 1880-1954.
System:
The Portal to Texas History
Improvement in Processes of Reducing Asphaltum to a Liquid
Patent for a new and useful process of reducing asphaltum to a liquid and the patent includes a list of solvents suitable for use in the process.
Date:
March 20, 1877
Creator:
Lee, Archibald K.
System:
The Portal to Texas History
Game Apparatus
Patent for a game that is designed to impart instruction or information according to subject or topic desired.
Date:
November 22, 1910
Creator:
Prickett, Clinton E. & Cool, Roy D.
System:
The Portal to Texas History
Plant for Generating Electricity.
Patent for a "simple, durable, compact, and reliable plant, house, or means operated by the force and energy of the wind without supervision or attention, and generating electricity and storing the same for use" (lines 10-14).
Date:
August 20, 1895
Creator:
Bowen, George R.
System:
The Portal to Texas History