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7 Matching Results
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Impeller-Pump.
Patent for an impeller pump with separate sections and parts that can be connected together. The line of pipe of can be withdrawn without removing the head, and there are measures to keep the liner in operative position. The patent includes instructions and illustrations.
Date:
March 10, 1914
Creator:
Johnston, Horace G.
System:
The Portal to Texas History
Cotton-Chopper
Patent for an improved type of cotton chopper that thins rows of plants on both flat and rough terrain. Includes illustrations and instructions.
Date:
June 10, 1913
Creator:
Hellums, Oscar S.
System:
The Portal to Texas History
Hydraulic Swivel
Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date:
December 10, 1907
Creator:
Johnston, Horace G. & Norris, Joseph B.
System:
The Portal to Texas History
Supporting Device for Umbrellas.
Patent for a wearable umbrella holder, which holds the umbrella on the back and over the person's head to allow their hands to be free.
Date:
November 10, 1908
Creator:
Cumpston, Frederick B.
System:
The Portal to Texas History
Ship-Protector.
Patent for an improved protection device which may be attached to the bow of a ship.
Date:
February 10, 1914
Creator:
Wood, Shirley Hay
System:
The Portal to Texas History
Washing Machine
Patent for an improved washing machine consisting of a wash-boiler into which one or more streams of hot water may be thrown.
Date:
May 10, 1883
Creator:
Caldwell, James S.
System:
The Portal to Texas History
Reversible Automobile-Lamp
Patent for a reversible automobile taillight that can be changed to four different colors to indicate different things.
Date:
September 10, 1912
Creator:
Minhinnett, George F.
System:
The Portal to Texas History