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20 Matching Results
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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.
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.
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
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.
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.
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
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.
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
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.
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
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