Resource Type
Counties
7 Matching Results
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Animal-Trap
Patent for an animal trap whose specially designed cylinders play a crucial role in tiring the animal while it is struggling to escape the trap doors Ultimately, succumbing to exhaustion and hastening its drowning in the trap's water reservoir.
Date:
January 14, 1913
Creator:
Link, William A.
System:
The Portal to Texas History
Automatic Weighing-Machine.
Patent for an automatic weighing machine.
Date:
July 14, 1914
Creator:
Ball, Andrew J.
System:
The Portal to Texas History
Valve
Patent for valves which are of a better construction to prevent leakage.
Date:
July 14, 1914
Creator:
Bird, John M.
System:
The Portal to Texas History
Switch-Throwing Mechanism for Railway-Cars.
Patent for improvements in switch-throwing mechanism for railway-cars in which the motor operator can throw a switch without stopping the car and it will be accurate. Illustration is included.
Date:
October 14, 1913
Creator:
Slate, William L.
System:
The Portal to Texas History
Sleeve Extractor
Patent for sleeve-extractor with improvements, including illustrations.
Date:
May 14, 1918
Creator:
Carpenter, George L.
System:
The Portal to Texas History
Molds for Making Blocks of Plastic Material.
Patent for an invention related to molds used to form plastic blocks for building purposes. Objectives and illustrations of invention are included.
Date:
August 14, 1917
Creator:
Hawkins, William L.
System:
The Portal to Texas History
Rail-Joint.
Patent for the "improvements in rail joints, the object being to so construct and arrange the meeting ends of two railway rails as to provide interlocking members..." (lines 8-12). The patent includes specifications and illustrations.
Date:
April 14, 1914
Creator:
Evans, James B., Sr.
System:
The Portal to Texas History