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Tractor
Patent for improvements in tractors for farm and road work. Improvements include enclosing all working parts within a protecting housing, mounting the motor for rotation, balance the weight, provide a wheel carriage to adjust the width and height, and to provide shifting gears.
Date:
April 26, 1921
Creator:
Ingram, Joseph D.
System:
The Portal to Texas History
Priming-Cup
Patent for an improved version of the priming cup "shown in Patent No. 1,329,464, granted February 3, 1920" (lines13-14). Includes illustrations.
Date:
April 5, 1921
Creator:
Martinek, Stanley A.
System:
The Portal to Texas History
Wrench.
Patent for a wrench specifically made to remove well drill bits from the drill.
Date:
April 13, 1920
Creator:
Stover, Willard L.
System:
The Portal to Texas History
Churning-Machine.
Patent for improvements in churning machines so that they "may be used in connection with containers of different sizes" (lines 14-15).
Date:
April 7, 1914
Creator:
Crume, John J.
System:
The Portal to Texas History
Seal-Padlock
Patent for a padlock seal for train cars. Illustrations included.
Date:
April 30, 1912
Creator:
Lawler, Claude B.
System:
The Portal to Texas History
Fruit Selling Slot Machine
Patent for
Date:
April 19, 1910
Creator:
Tatum, John H.
System:
The Portal to Texas History
Pile Structure.
Patent for piling structures used in bridges and other structures built in sandy areas that allows for digging the piling hole to any depth desired and prevents cave-ins of the interior of the piling before it is filled with concrete.
Date:
April 23, 1907
Creator:
Pyle, Jesse Theodor
System:
The Portal to Texas History