Air-Compressing Apparatus. (open access)

Air-Compressing Apparatus.

Patent for a new air compressing apparatus which employs two kinds of tanks called high pressure containers and low pressure containers charged by means of an air compressing engine.
Date: March 16, 1915
Creator: Gebhardt, William Charles
System: The Portal to Texas History
Air-Cushion Tire. (open access)

Air-Cushion Tire.

Patent for improvement to the air-cushion tire in terms of resilience, and an improved structure.
Date: March 16, 1920
Creator: Williams, Harry S.
System: The Portal to Texas History
Gate. (open access)

Gate.

Patent for a new and improved gate. This design consists in "[t]he combination, with a swinging gate provided with a rearwardly-extending arm and a pivoted latch, of a crank-shaft journaled in said gate and connected to said latch, and an operating mechanism consisting of pivoted arms on supporting posts, rods or wires provided with loops and connecting the arms, one loop engaging with the rearward gate-arm and the other loop with the crank-shaft, and levers operating to give a longitudinal movement to the wires" (lines 65-75).
Date: March 16, 1886
Creator: Gillis, Cyrus W.
System: The Portal to Texas History
Refrigerating Machine. (open access)

Refrigerating Machine.

Patent for a new and improved refrigerator. This design "relates to that class of refrigerating or ice-making machinery wherein a liquefiable gas . . . is introduced into a compression-pump and is compressed to a state of liquefaction, the pressure being subsequently removed, the liquefied refrigerating agent expands with rapidity . . . and, the frigorific' effects produced by the volatile liquid again assuming its gaseous state, is utilized for absorption of heat; and the invention consists in certain improvements in the construction of the gas-compressor and its adjuncts" (lines 10-23).
Date: March 16, 1886
Creator: Schuhle, Jacob
System: The Portal to Texas History
Pen. (open access)

Pen.

Patent for "an improved and simple pen which will be adapted to hold a large quantity of ink and to feed it regularly and more satisfactorily." (Lines 12-15) Includes instructions and illustrations.
Date: March 16, 1897
Creator: Robinson, Rochfort W.
System: The Portal to Texas History
Cushion Tire (open access)

Cushion Tire

Patent for Cushion Tires. Each tire will have multiple chambers within it, so if one is punctured the remainder of the tire will continue to function and not deflate.
Date: March 16, 1920
Creator: Williams, Henry S.
System: The Portal to Texas History
Double Stroke Pumping Jack (open access)

Double Stroke Pumping Jack

Patent for a double-stroke pumping jack with two pistons in the same cylinder "to discharge a steady stream of water therefrom" (line 12-13). This invention allows the pipe cylinder and pistons to be easily removed for repairs or cleaning.
Date: March 16, 1915
Creator: Winterborne, William H.
System: The Portal to Texas History