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7 Matching Results
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Chain Release for Logging Cars.
Patent for new and useful improvements for a chain release for logging cars, including illustrations.
Date:
May 22, 1917
Creator:
Dodd, John
System:
The Portal to Texas History
Brake-Controlling Mechanism for Railway-Cars
Patent for an "air brake controlling mechanism for use in connection with railway cars" (lines 10-12), one feature applies whereby if a wheel becomes derailed the brakes will be applied automatically. Includes illustrations.
Date:
February 22, 1916
Creator:
Halliburton, George M. & McBurney, Samuel L.
System:
The Portal to Texas History
Automatic Slack-Take-Up and Cooling Device.
Patent for new and useful improvements to Automatic Slack-Take-Up and Cooling Devices for the manufacturing of flexible roofing and other similar flexible materials, including illustrations.
Date:
May 22, 1917
Creator:
Smith, Frederick C.
System:
The Portal to Texas History
Propelling or Power-Generating Mechanism.
Patent for the constructions of a propelling machine of a vessel, which is provided an electric motor in an engine as a power source for propelling the vessel.
Date:
July 22, 1913
Creator:
Caldwell, John C.
System:
The Portal to Texas History
Hoisting Hook.
Patent for "certain new and useful Improvements in Hoisting-Hooks" (lines 5-6) including specifications and illustrations.
Date:
June 22, 1915
Creator:
Black, Lee J.
System:
The Portal to Texas History
Filling-Machine.
Patent for an improved filling machine that automatically transfers predetermined quantities of liquids from one container to multiple other containers such as oils into cans.
Date:
May 22, 1917
Creator:
Smith, Frederick C.
System:
The Portal to Texas History
Rotary Drilling Apparatus
Patent for well drilling apparatus (commonly known as rotaries) with eliminated screws and nuts, and reduced minimum number of parts, and which provides a quickly and easily operable gripping device.
Date:
June 22, 1915
Creator:
Black, Lee J.
System:
The Portal to Texas History