Break-Out Pin. (open access)

Break-Out Pin.

Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
System: The Portal to Texas History
Core-Barrel. (open access)

Core-Barrel.

Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
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
Oil-Converting Apparatus. (open access)

Oil-Converting Apparatus.

Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date: October 28, 1919
Creator: Adams, Joseph H.
System: The Portal to Texas History
Sampling Device (open access)

Sampling Device

Patent for a machine that will remove samples from a well during drilling operations.
Date: October 21, 1919
Creator: Dodds, Redus D.
System: The Portal to Texas History
Filter for Oil and Other Lubricants. (open access)

Filter for Oil and Other Lubricants.

Patent for improvements in a filter for oil and other lubricants. Designed for the purpose of cleansing oils, particularly waste oils.
Date: October 14, 1919
Creator: Schmidt, George C.
System: The Portal to Texas History
Envelop (open access)

Envelop

Patent for envelopes, particularly for inter-office use, in which an envelope would have an improved means for indicating the designation of the envelope to any series of persons or locations. Additionally, the envelope is provided a series of spaces with a separatable or removable indicator adapted to be located in any said spaces to indicate the destination of the envelope.
Date: October 20, 1919
Creator: Crate, James S.
System: The Portal to Texas History