Automatic Signal-Actuating Mechanism for Railways (open access)

Automatic Signal-Actuating Mechanism for Railways

Patent for an improved signal actuating mechanisms for railways. When the train cars reach an operating mechanism, a flag will be raised where pedestrians or cars cross, and cause a signal to be repeated until the train passes.
Date: July 20, 1920
Creator: Bashara, Samuel Farris
System: The Portal to Texas History
Valve-Grinder. (open access)

Valve-Grinder.

Patent for "a tool adapted to rotate valves of an internal combustion engine for grinding the same on their seats." (lines 9-11) It is adapted to connect to the cylinder "of the engine in such a manner as to permit accurate and quick operation of the valve for grinding it, and whereby the handle of the tool may be set at a convenient angle for manipulation, and may be lengthened or shortened according to requirements." (lines 15-21)
Date: July 13, 1920
Creator: Ralston, John
System: The Portal to Texas History
Hydrocarbon-Burner. (open access)

Hydrocarbon-Burner.

Patent for improvements in hydrocarbon burners that is inexpensive and can take refined oil or heavy crude oil and make it useable as fuel.
Date: July 27, 1920
Creator: St. Wrba, Joseph J.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump for deep wells with a "specially constructed piston capable of a powerful working stroke and which will secure at all times a full volume of liquid at each stroke of the pumping rod." (line 25) including instructions and illustrations.
Date: July 6, 1920
Creator: Humason, Granville Allison
System: The Portal to Texas History
Pneumatic Tire. (open access)

Pneumatic Tire.

Patent for improvements in tires for vehicles that has a cushion that takes the shocks of travel.
Date: July 20, 1920
Creator: Drouet, Charles
System: The Portal to Texas History
Pneumatic Tire. (open access)

Pneumatic Tire.

Patent for improvements in pneumatic tire that gives a novel means to repairing a worn casing, a blow out, or a rim cut.
Date: July 13, 1920
Creator: Church, Shelby L.
System: The Portal to Texas History
Power-Transmitting Mechanism. (open access)

Power-Transmitting Mechanism.

Patent for improvements in a power transmitting mechanism that is "designed for the purpose of connecting a driving or power shaft with a driven shaft, whereby the driven shaft is continuously rotated from the driving shaft." (lines 11-14)
Date: July 13, 1920
Creator: Smith, Robert W. J.
System: The Portal to Texas History
Signal. (open access)

Signal.

Patent for a signal to be placed on the fender of a motor vehicle to indicate to other drivers the intended direction the vehicle is going.
Date: July 20, 1920
Creator: Cochran, Carl T.
System: The Portal to Texas History