Vaporizing Attachment. (open access)

Vaporizing Attachment.

Patent for improvements in the vaporizing attachment on a printing press that will allow vapor to be applied to the paper as it goes through the printing press.
Date: June 1, 1920
Creator: Pope, Turner T.
System: The Portal to Texas History
Well-Screen Cleaner. (open access)

Well-Screen Cleaner.

Patent for cleaning well screens and preventing oil well pipes from clogging to improve production.
Date: June 7, 1921
Creator: Bashara, Samuel F.
System: The Portal to Texas History
Trap. (open access)

Trap.

Patent for a small animal trap that prevents injury to the animal. When the animals step on the pedal inside the enclosure, a door is automatically dropped. The animal is trapped inside the enclosure.
Date: June 27, 1922
Creator: Dinkins, Earl T.
System: The Portal to Texas History
Packer for Wells (open access)

Packer for Wells

Patent for a well packer, specifically for oil wells, for the purpose of facilitating the formation of watertight joints between outer and inner pipes.
Date: June 28, 1921
Creator: Fondren, Walter William
System: The Portal to Texas History
Sample-Taking Device. (open access)

Sample-Taking Device.

Patent for improvements in Sample-Taking Devices, specially for drilling oil wells with the purpose of taking samples, which can be easily removed from the well without with-drawing the bit or drill stem.
Date: June 8, 1920
Creator: Huston, Sidney H.
System: The Portal to Texas History
Treatment of Crude Petroleum for Purification. (open access)

Treatment of Crude Petroleum for Purification.

Patent for the purification of crude petroleum by separating impurities such as sand and clay using a heat treatment.
Date: June 7, 1921
Creator: Bostick, Joseph Wallace & Homer, Charles H.
System: The Portal to Texas History
Screening Device for Oil-Wells. (open access)

Screening Device for Oil-Wells.

Patent for improvements in a screening device for oil wells that is specially made for wells constructed in places of strong gas pressure.
Date: June 8, 1920
Creator: Houston, Sidney H.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump plunger for oil or water that is durable and will not require replacement.
Date: June 7, 1921
Creator: Humason, Granville A.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump designed to draw liquid, such as oil, from a well.
Date: June 14, 1921
Creator: Jones, Oceola
System: The Portal to Texas History
Railroad-Crossing Shock-Absorber. (open access)

Railroad-Crossing Shock-Absorber.

Patent for railroad crossings to protect the rails from contact with the vehicle wheels and to absorb the jar and vibration from passing vehicles over the crossing.
Date: June 15, 1920
Creator: Hargrave, Russell R.
System: The Portal to Texas History
Mop (open access)

Mop

Patent for "a simple and durable construction of mop in which the fibre holding element consists of strands of twisted wire" (lines 9-11) designed such that the mop maintains its shape with or without the handle, including illustrations.
Date: June 20, 1922
Creator: Welch, James. S.
System: The Portal to Texas History
Penholder. (open access)

Penholder.

Patent for a simplified construction of a pen holder which is inexpensive to manufacture. It detachably engages the pen point, prevents rusting and sticking. Releases pen point without user needing to grip, therefore avoiding sullying fingers.
Date: June 22, 1920
Creator: Baldwin, Charles E.
System: The Portal to Texas History
Safety-Lock For Doors and the Like. (open access)

Safety-Lock For Doors and the Like.

Patent for improvements in door safety locks. Adding this simple and easy to manufacture lock allows a door to be locked from the inside, making the door inaccessible to anyone on the outside.
Date: June 21, 1921
Creator: Kless, Herman L.
System: The Portal to Texas History
Bridge Construction. (open access)

Bridge Construction.

Patent for '' bridge improvements, especially for placement over gutters, ditches, and alike ''
Date: May 14, 1920
Creator: McKenzie, Philip A.
System: The Portal to Texas History
Valve for Pumps. (open access)

Valve for Pumps.

Patent of a valve used on deep well pumps; that my contain sand, shale or sediment
Date: June 10, 1920
Creator: Shevlin, Miles
System: The Portal to Texas History
Roadway. (open access)

Roadway.

Patent for an improved roadway that utilizes concrete tracks and asphalt or bitumen filler to create a grooved, hard, and durable surface, with illustrations.
Date: June 28, 1921
Creator: Moore, Stuart B.
System: The Portal to Texas History
Measuring Vessel. (open access)

Measuring Vessel.

Patent for a measuring vessel that is meant to be used with a gasoline device described in patent application Serial No. 228,889.
Date: June 28, 1921
Creator: McKallip, John C.
System: The Portal to Texas History
Pipe-Engaging Slip for Rotaries (open access)

Pipe-Engaging Slip for Rotaries

Patent for improving pipe engaging rotaries, with illustrations.
Date: June 7, 1921
Creator: Livergood, Gerald R.
System: The Portal to Texas History
Concrete Wall Mold. (open access)

Concrete Wall Mold.

Patent for "a concrete wall mold which is so constructed as to produce a very strong wall having vertically extended channels which form ribs materially reinforcing the structure" (lines 10-14)
Date: June 11, 1920
Creator: Porter, Charles S.
System: The Portal to Texas History
Core-Taking Device (open access)

Core-Taking Device

Patent for improvements to a core-taking device which will "form a core, in the process of drilling, and embodies means for severing the core, when formed, and retaining the same in the core barrel until, it is withdrawn for inspection" (lines 13-17), including illustrations.
Date: June 20, 1922
Creator: Christian, Walton G.
System: The Portal to Texas History