Air Compressor for Deep Well Pumps. (open access)

Air Compressor for Deep Well Pumps.

Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Date: August 2, 1887
Creator: Adams, John R.
System: The Portal to Texas History
Wrench (open access)

Wrench

Patent for wrenches that provides a means for engaging faces of the jaws to be renewed or changed. This improvement also allows for secure placement without loss of motion.
Date: August 2, 1921
Creator: Belcher, Mark
System: The Portal to Texas History
Tool-Joint (open access)

Tool-Joint

Patent for tool joints to be used in detachable connection between lengths of pipe. Specifically used with drill pipe for drilling deep wells for oil, gas, or water.
Date: August 2, 1921
Creator: Thomas, Avery H.
System: The Portal to Texas History
Saw-Filing Machine. (open access)

Saw-Filing Machine.

Patent for a new and useful saw filing machine, including instructions and illustrations.
Date: August 2, 1898
Creator: Davis, Henry E.
System: The Portal to Texas History
Pattern and Match Plate (open access)

Pattern and Match Plate

Patent for a pattern and match plate for use in making car wheel chill segments more quickly and with less skilled labor.
Date: August 2, 1910
Creator: Voight, Philip & Kornmayer, Christian
System: The Portal to Texas History