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60 Matching Results
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60
Fireproof Building Construction
Patent for improvements to the construction of fireproof buildings, using steel or concreate to create a "skeleton" frame.
Date:
September 20, 1921
Creator:
Ward, Alfred P.
System:
The Portal to Texas History
Cotton Picking Apparatus.
Patent for cotton-picking apparatus. This apparatus supports complete removal of the cotton from plant without foreign objects or harm to plant.
Date:
November 8, 1921
Creator:
Alvin, Alleyne D.
System:
The Portal to Texas History
Flush-Valve
Patent for a flush valve designed for efficiency.
Date:
September 13, 1921
Creator:
Winckler, Henry J.
System:
The Portal to Texas History
Pneumatic Tire.
Patent for improved pneumatic tires for motor vehicles that will prevent deflation when punctured.
Date:
May 31, 1921
Creator:
Williams, Harry S.
System:
The Portal to Texas History
Method of Casting the Hulls of Ships From Concrete and Floating Said Hulls Into a Launching-Bay.
Patent for an improved, cost-effective method of releasing ship hulls from a mold via "hydrostatic means and floating said hull into the launching bay or channel" (lines 19-21) without the need for exterior scaffolding, including illustrations.
Date:
June 28, 1921
Creator:
Holmgreen, Julius H.
System:
The Portal to Texas History
Mold for Casting the Hulls of Concrete Ships.
Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.
Date:
June 28, 1921
Creator:
Holmgreen, Julius H.
System:
The Portal to Texas History
Pressure-Screw.
Patent for a pressure screw where the screw can freely rotate, and the shoe may pivot slightly. It is also designed for easy maintenance and lubrication of the bearing and to be cheap to manufacture, efficient and durable.
Date:
August 16, 1921
Creator:
Menger, Edward W.
System:
The Portal to Texas History
Gradometer.
Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date:
May 17, 1921
Creator:
Hall, Sidney Wilson
System:
The Portal to Texas History
Blackboard.
Patent for a rotating blackboard that can be covered when not in use, as well as adjusted to different heights and locked into place so the writer can utilize every available space of the blackboard. The inventor designed the blackboard "for use in schools and brokerage offices."
Date:
March 8, 1921
Creator:
Grothaus, Julia
System:
The Portal to Texas History
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
Box Car Door Fastener
Patent for a box door fastener used for railway box car doors. For use in sliding door style entrances, and does not require the alteration of doors once installed. Doors may also be fastened in place while also allowing to be in a slightly open position for ventilation of the interior.
Date:
January 21, 1921
Creator:
Wood, James Gillam
System:
The Portal to Texas History
Bending-Machine and Method of Bending.
Patent for a machine to bend metal into various shapes for the purpose of construction and reinforcement.
Date:
March 29, 1921
Creator:
Holmgreen, Julius H.
System:
The Portal to Texas History