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Combination Plow and Pulverizer.
Patent for a combination plow and pulverizer, designed for the purpose of improved plowing and sowing of seed, with illustrations and explanations.
Date:
August 20, 1918
Creator:
Curtis, W. W.
System:
The Portal to Texas History
Combination Valve and Cap Tool
Patent for a combination valve cap and stem used to ease the process of deflating pneumatic tires by eliminating the need to keep track of a separate cap piece when removing the valve core, including illustrations and instructions for use.
Date:
May 7, 1918
Creator:
McComb, William Perry
System:
The Portal to Texas History
Chain-Lock.
Patent for an improvement in chain-locks. The improvement locks one end of a log chain to a car so that it cannot be accidentally released.
Date:
October 1, 1918
Creator:
Clarkson, Jay Caleb.
System:
The Portal to Texas History
Shock-Absorber
Patent for improved shock absorbers. The invention is designed to help them be adapted for every type of vehicle. They are cushioned and provide a casing for liquid to help with shock absorption.
Date:
March 26, 1918
Creator:
Donahoo, John Henry
System:
The Portal to Texas History
Self-Cleaning Harrow and Cultivator.
Patent for a harrow and cultivator "which is self-cleaning in that, by manipulation of certain mechanism embodied in the machine, the teeth or shovels are caused to rotate about axes, giving up any stalks, grass, or other fibrous matter which may cling to the teeth or shovels impeding the working of the soil" (lines 15-21).
Date:
January 29, 1918
Creator:
Miner, John C.
System:
The Portal to Texas History