4 Matching Results

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Drill-Bit. (open access)

Drill-Bit.

Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Date: December 30, 1919
Creator: Humason, Granville A.; Bierce, Edward B. & Parker, John W.
System: The Portal to Texas History
Apparatus for Treating Hydrocarbons. (open access)

Apparatus for Treating Hydrocarbons.

Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.
Date: August 5, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
System: The Portal to Texas History
Combination Drill Bit and Drill Shank (open access)

Combination Drill Bit and Drill Shank

Patent for "Improvements in Combination Drill-Bits and Drill-Shanks" (lines 6-7) including illustrations.
Date: December 30, 1919
Creator: Humason, Granville A.
System: The Portal to Texas History
Apparatus For Treating Petroleum. (open access)

Apparatus For Treating Petroleum.

Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date: October 28, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
System: The Portal to Texas History