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6 Matching Results
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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
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
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
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
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