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Automatic Train-Stop
Patent for Automatic Train-Stops "particularly to a system operable in connection with well-known airbrake systems to apply the airbrakes, and shut off the power when an accident of a predetermined character occurs." (lines 10-14) including instructions and illustrations.
Date:
May 16, 1916
Creator:
Estes, Betram P.
System:
The Portal to Texas History
Corn-Heading Knife.
Patent for a corn cutting knife that straps to the hand and protects the fingers for a more efficient harvesting of corn and maize.
Date:
May 2, 1916
Creator:
Buchanan, Lemuel O.; Maddox, John S.; Russell, James P. & Speers, Albert
System:
The Portal to Texas History
Drag-Harrow.
Patent for an improved drag harrow for plowing soil. "The primary objective of the invention is to provide a soil pulverizer in which a rotary grinding action is produced by the drawing of the apparatus across the soil" (lines 10-13).
Date:
May 19, 1914
Creator:
Kramer, Frank
System:
The Portal to Texas History
Churn
Patent for a churn that can produce butter in very short period of time with minimal effort.
Date:
May 19, 1913
Creator:
Hoefer, Charles Jr.; Belt, Marcus L. Jr. & Belt, William R.
System:
The Portal to Texas History
Lock
Patent for a lock used to secure the openings of grain bags. Illustrations included.
Date:
May 17, 1910
Creator:
Chambless, James A.
System:
The Portal to Texas History
Cement.
Patent for cement that is better or equivalent to Keene's cement from England, made from pure gypsum and various chemicals and only calcinated once.
Date:
May 7, 1907
Creator:
Jones, Thomas
System:
The Portal to Texas History