7 Matching Results

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Ant Trap (open access)

Ant Trap

Patent for an ant trap designed as a ring-shaped trough and which allows for the drainage of rainwater through a pipe fitted with a porous plug. Both walls of the trough are capped with inward and downward curved flanges.
Date: August 1, 1922
Creator: Scrivner, Jefferson Davis
System: The Portal to Texas History
Detachable Washer (open access)

Detachable Washer

Patent for a detachable Washer which can be applied or removed from a bolt, without having to remove the bolt itself.
Date: August 8, 1922
Creator: Dubbs, Sylvester S.
System: The Portal to Texas History
Crate. (open access)

Crate.

Patent for a fruit and vegetable crate that is collapsable to facilitate transportation, and has strong corners to enable heavy usage.
Date: August 29, 1922
Creator: Cobb, J.
System: The Portal to Texas History
Shutter for Motion-Picture Machines. (open access)

Shutter for Motion-Picture Machines.

Patent for a shutter for motion picture cameras to eliminate flickering. Produced by stamping the device from sheet metal.
Date: August 22, 1922
Creator: Patureau, Arthur M.
System: The Portal to Texas History
Air Cycle. (open access)

Air Cycle.

Patent for a pedal power "aeroplane" (line 9) with improvements to driving pedals and controlling the flight path.
Date: August 1, 1922
Creator: Kinnard, Laban B.
System: The Portal to Texas History
Pump Plunger. (open access)

Pump Plunger.

Patent for pump plungers usable in deep wells for either oil or water. It is designed to be used for long periods without wear and tear.
Date: August 8, 1922
Creator: Livergood, Gerald R.
System: The Portal to Texas History
Cultivator Foot (open access)

Cultivator Foot

Patent for a cultivator foot. This cultivator foot is designed to be a new kind of inexpensive, simple, and efficient cultivator foot.
Date: August 22, 1922
Creator: Dawson, Joseph E.
System: The Portal to Texas History