Counties
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Combined Pneumatic Lift and Force Pump.
Patent for a combined pneumatic lift and force pump, which is able to reach the inexhaustible supply of water found at the depths of five to forty or more feet in the arid region of Texas and Great Central Valley of Mexico. The machinery perfects the simplicity and economy of construction needed to reach and lift a great volume of water in a short time.
Date:
May 6, 1913
Creator:
De Hymel, Franklin Oscar
System:
The Portal to Texas History
Electric Soldering-Iron
Patent for an improved electric soldering iron, "to provide novel means for permitting the flow of solder and for shutting it off" (lines 18-19), including illustrations.
Date:
May 6, 1913
Creator:
Giffen, Frank M.
System:
The Portal to Texas History
COTTON CLEANER
This is a patent for a Cotton Cleaner. This new cotton cleaner is able to use air to rotate the rotors to then separate the dirty cotton from the clean cotton.
Date:
May 6, 1919
Creator:
Cabrera, Maragarito
System:
The Portal to Texas History
Speed-Regulator
Patent for an inexpensive speed regulator "which can be readily reset manually"(lines 21-22).
Date:
May 6, 1919
Creator:
McNeel, William Pinkney
System:
The Portal to Texas History