Degree Department
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5 Matching Results
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Gradometer.
Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date:
May 17, 1921
Creator:
Hall, Sidney Wilson
System:
The Portal to Texas History
Condenser for Cotton-Presses.
Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date:
May 24, 1921
Creator:
Taft, John A.
System:
The Portal to Texas History
Pneumatic Tire.
Patent for improved pneumatic tires for motor vehicles that will prevent deflation when punctured.
Date:
May 31, 1921
Creator:
Williams, Harry S.
System:
The Portal to Texas History
Sectional Rim
Patent for a sectional rim, which provides a sectional demountable tire rim with interlocking means to easily actuate and separate so that the tire can be removed from or applied to the rim.
Date:
May 31, 1921
Creator:
Williams, Harry S.
System:
The Portal to Texas History
Washing-Machine.
Patent for a washing machine that launders articles of clothing. The machine has a plunger that causes rotary movement allowing cleaning fluid to reach all articles, including illustrations.
Date:
May 31, 1921
Creator:
Carroll, Houston M., Sr.
System:
The Portal to Texas History