Resource Type
Counties
12 Matching Results
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12
Automobile Signal
Patent for the creation of signals to be used in conjunction with automobiles during traffic.
Date:
February 22, 1921
Creator:
Ziegenbalg, Emil
System:
The Portal to Texas History
Combined Stool and Table
Patent for a combined stool and table that can be folded and is portable for use in cars or at picnics; includes "knife, fork and spoon compartments" (line 25).
Date:
February 22, 1921
Creator:
Lewis, Charles E.
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
Railway Switch.
Patent for a railway switch to be operated by foot and without structural change to existing construction.
Date:
February 28, 1922
Creator:
Arteaga, Ignacio
System:
The Portal to Texas History
Can Opener
Patent for a can opener which cuts cleanly and rapidly around the outside wall of the can, so as to avoid jagged edges.
Date:
February 14, 1922
Creator:
Minor, Robert B.
System:
The Portal to Texas History
Safety Apparatus.
Patent for vehicle to safely have the right of way when reaching a crossing first.
Date:
February 14, 1922
Creator:
Duran, Arturo
System:
The Portal to Texas History
Internal Combustion Engine.
Patent for an internal combustion engine consisting of a valve and cynlinder. The engine is made to avoid dead air space commonly present in valve casings.
Date:
February 15, 1921
Creator:
Blumberg, Hamilton G.
System:
The Portal to Texas History
Tractor.
Patent for an improvement in tractors that allowed adjustment to the tread or allowed distance between traction elements.
Date:
February 10, 1920
Creator:
Franklin, Floyd P.
System:
The Portal to Texas History
Union-Garment
Patent for union garments with a strip of elastic or semi-elastic woven material at the back of the waist in order to allow the garment to stretch when worn.
Date:
February 15, 1921
Creator:
Hook, Thomas Wesley
System:
The Portal to Texas History
Steering-Wheel Lock.
Patent for an improved steering wheel lock that avoids the need for a specially constructed lock. Utilizes parts of simple, cheap and sturdy construction capable of being used in any motor vehicle design.
Date:
February 15, 1921
Creator:
Gerfers, Richard P.
System:
The Portal to Texas History
Separator for Secondary Batteries.
Patent for separators, made of celluloid or similar material, designed to separate secondary or storage batteries in an efficient and affordable way.
Date:
February 17, 1920
Creator:
Luthy, Josesph O.
System:
The Portal to Texas History
Method of Liberating the Fibers of the Agave and Similar Fleshy Plants.
Patent for an alternative method in separating the plant fibers of agave and similar plants. This process omits the use of the popular chemical method in favor of a more natural fermentive bath.
Date:
February 15, 1921
Creator:
Quijano, Ramon
System:
The Portal to Texas History