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Apparatus for Separating Liquids in Emulsion. (open access)

Apparatus for Separating Liquids in Emulsion.

Patent for improved apparatus for separating liquids in emulsion (relates to improved apparatus for separating one liquid from another) when found in emulsion and has especial reference to means for rapidly and effectually dehydrating petroleum oil emulsion.
Date: May 27, 1919
Creator: McKibben, Charles W.
System: The Portal to Texas History
Cross-Roller Drill-Bit (open access)

Cross-Roller Drill-Bit

Patent for an improvement upon a prior patent for a rolling drill cutter. The drill bit is designed with several rotating saw like structures which assist in the drilling process.
Date: December 27, 1919
Creator: Hughes, Howard R.
System: The Portal to Texas History
Ratchet Pipe Cutter (open access)

Ratchet Pipe Cutter

Patent for improvements to a ratchet pipe cutter, which includes an adjustment system to allow for pipes to "approximately quickly adjusted to different sizes of pipe and subsequently automatically moved toward the cutting roller"(lines 11-13).
Date: May 27, 1919
Creator: Rue S. Hestand
System: The Portal to Texas History
Checking Attachment for Planters (open access)

Checking Attachment for Planters

Patent for a checking attachment for planters that is "easily adjusted to drop seed at various distances" (lines 16-17).
Date: May 27, 1919
Creator: Sprowl, Wiliam L.
System: The Portal to Texas History
Heater. (open access)

Heater.

Patent for a heater adapted for use in an internal combustion engine for the purpose of assisting the vehicle to start in cold weather.
Date: May 27, 1919
Creator: Pirtle, Claiborne Clinton
System: The Portal to Texas History
Lock. (open access)

Lock.

Patent for "locking the control pedals of a motor vehicle from movement in either direction, the said lock being arranged between the pedals and arranged to simultaneously engage and lock both" (lines 9-14).
Date: February 27, 1919
Creator: Cameron, Robert G.
System: The Portal to Texas History
Steam Engine (open access)

Steam Engine

Patent for an improved steam engine design.
Date: May 27, 1919
Creator: Edwards, James L.
System: The Portal to Texas History
Process for Treating Cotton-Seed (open access)

Process for Treating Cotton-Seed

Patent for "new and useful Improvements in Processes for Treating Cotton-Seed"(lines 6-8), which expresses oil from cotton and neutralizes it with "alkali... and precipitating solid matter"(lines 26-27).
Date: May 27, 1919
Creator: Fee, Horatio A. & Aeveaenes, Garciea H.
System: The Portal to Texas History
Oil Retaining Internal Gear Drive (open access)

Oil Retaining Internal Gear Drive

Patent for automotive drive shaft that retains oil.
Date: May 27, 1919
Creator: Hereford, Adolph P.
System: The Portal to Texas History