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9 Matching Results
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Automatic Trailing Device
Patent for an automatic trailing device. This device is made to "successfully follow the tracks of the front vehicle without the use of a driver on the vehicle in tow" (lines 14-17).
Date:
February 24, 1920
Creator:
Sloan, Charles Lee
System:
The Portal to Texas History
Boiler-Stand.
Patent for an improved boiler stand by creating space for air flow between the burner and the boiler to increase combustion.
Date:
February 24, 1920
Creator:
Fowles, Alfred T.
System:
The Portal to Texas History
Clamp
Patent for clamps used in framing and forming of concrete construction. The clamps are easily removed and reused eliminating the need for wooden framing used in the past.
Date:
February 24, 1920
Creator:
Ferguson, William D.
System:
The Portal to Texas History
Crossing for Railway-Tracks.
Patent for incorporating durable gaps within railway-rails to improve performance, with illustrations.
Date:
February 24, 1920
Creator:
Thomas, Lester V.
System:
The Portal to Texas History
Tie-Mold.
Patent, including illustrations, for an improved railroad tie mold relating to a previous patent (1229154) by the same inventor (Frederick C. Shearer). Objects of the invention include improved recesses, depressions, and support for interior structural elements during cement pouring.
Date:
February 24, 1920
Creator:
Shearer, Frederick C.
System:
The Portal to Texas History
Utilization of Aluminum-Chlorid Residues.
Patent for "new and useful Improvements in the Utilization of Aluminum Chlorid Residues" (lines 6-7) including instructions and illustrations.
Date:
February 24, 1920
Creator:
Abbott, Lyle Stockton
System:
The Portal to Texas History
Gate-Operating Device
Patent for a gate opening device that consists of a hinge, cable, and spring that allows a gate to open after a slight push by a pedestrian or vehicle.
Date:
February 24, 1920
Creator:
Wilbanks, Andrew J.
System:
The Portal to Texas History
Drill Bit
Patent for a drill bit that can pass through the drill stem, making the process of drilling faster and easier.
Date:
February 24, 1920
Creator:
Clements, Frank L., Jr.
System:
The Portal to Texas History
Process for Hardening Copper.
Patent for a process of hardening copper to prevent bending and scaling of the metal. The process involves heating copper to a high temperature (1370 degrees Fahrenheit) and then subjecting it to continual pressure through hammering it until cold.
Date:
February 24, 1920
Creator:
Beckham, Dewitt T.
System:
The Portal to Texas History