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Photoprinter.
Patent for a photograph printer that includes a mask mechanism to create prints of different sizes. Construction is such that the person using the printer can work the printer accurately and quickly complete work.
Date:
April 11, 1922
Creator:
Lockhart, William E.
System:
The Portal to Texas History
Wrench
Patent for an improvement in the design of wrenches, particular for heavy work such as deep well drilling, but still being able to be designed at smaller sizes to handle lighter work.
Date:
April 11, 1922
Creator:
Reed, Clarence E.
System:
The Portal to Texas History
Calipers.
Patent for calipers that make it easier to read measurements, by having a strip of measuring tape at the ends that allows users to determine the distance between the arms easier. The measuring tape component is also retractable.
Date:
April 4, 1922
Creator:
Miller, William James
System:
The Portal to Texas History
ATTACHMENT FOR INTERNAL COMBUSTION MOTORS
Patent for an Attachment for Internal Combustion Motors. This new attachment provides many improvements in the regulation of auxiliary air, whether it enters or leaves the internal combustion motor (Shine). It also regulates hot or cold air, or can shut off the air supply entirely (Shine).
Date:
April 26, 1921
Creator:
Shine, John
System:
The Portal to Texas History
Floor System.
Patent for improved T-beams for floor support, which improve bonding between the beams and poured flooring and columns.
Date:
April 26, 1921
Creator:
Moore, Stuart B.
System:
The Portal to Texas History
Single-Trigger Mechanism for Double-Barrel Guns.
Patent for a new single-trigger mechanism for double-barrel guns in which both barrels fire successively and premature discharge is prevented, including illustrations.
Date:
April 26, 1921
Creator:
Lindsay, Charles W.
System:
The Portal to Texas History
Tire-Tool.
Patent for a tool designed for mounting pneumatic tires on wheel rims.
Date:
April 26, 1921
Creator:
Boone, Daniel M.
System:
The Portal to Texas History
Concrete Building Mold.
Patent for Concrete Building Mold that is composed to be able to be detachable and reversible.
Date:
June 14, 1920
Creator:
Rossiter, Jay A
System:
The Portal to Texas History
Grapple for Oil-Wells and the Like.
Patent for an improved grapple device that can help recover rigging parts from oil wells, including illustrations.
Date:
April 19, 1921
Creator:
Reed, Clarence E.
System:
The Portal to Texas History
Process of Distilling Hydrocarbons
Patent for distilling hydrocarbons from crude petroleum oil.
Date:
April 19, 1921
Creator:
Averill, Willard C., Jr.
System:
The Portal to Texas History
Reamer.
Patent for rotary reamers for progressively enlarging holes in pilot drills, particularly roller disk type reamers used in oil, water, or mining applications.
Date:
April 19, 1921
Creator:
Humason, Granville A.
System:
The Portal to Texas History
Wall Construction
Patent for a relatively simple constructed wall that is built using concrete slabs. It is constructed in a manner that requires less material thus resulting in a wall that is hollow all the while providing sufficient strength to hold weight and pressure. Includes illustrations.
Date:
April 19, 1921
Creator:
Needham, Edward F.
System:
The Portal to Texas History
Washing-Machine
Patent for an improved clothes containing basket within washing machines that is longer-lasting and less likely to become imbalanced. The device increases agitation of clothes and water.
Date:
April 19, 1921
Creator:
Seifert, John W.
System:
The Portal to Texas History
Sample-Taking Device
Patent for new and useful improvements for devices to take samples from wells. Specifically designed to take samples from hard formations, such as rock or other hard surfaces, being pierced from the drill from any depth in a well.
Date:
April 5, 1921
Creator:
Dodds, Redus D.
System:
The Portal to Texas History
Washing-Machine
Patent for a Washing-Machine which includes a base, a rotary rubbing drum with a foraminous concave rubbing bed of flexible material on the lower portion of the drum. Adjustable springs attached to the rubbing drum vary the drawing tension of the flexible rubbing bed.
Date:
April 5, 1921
Creator:
Seifert, John W.
System:
The Portal to Texas History
Pipe-Wrench.
Patent for a pipe wrench that can be "operated in either direction" (line 18) to screw and unscrew a pipe with an easy application and secure grip.
Date:
April 27, 1920
Creator:
Nixon, Jeddy D.
System:
The Portal to Texas History
Pump
Patent for an improvement on the design of pumps used in the oil industry. This uses a combination of water, sand, grits, and other sediments for deep wells.
Date:
April 23, 1920
Creator:
Scott, Floyd L.
System:
The Portal to Texas History
Plunger For Deep-Well Pumps
Patent for improved deep well pumps with plungers used to reduce wear and lower the amount of repairs needed
Date:
April 20, 1920
Creator:
Coulson, William J.
System:
The Portal to Texas History
Spear
Patent for a spear that is used to help withdraw or remove pipes that may get stuck in wellbores.
Date:
April 20, 1920
Creator:
Gray, Ellsworth
System:
The Portal to Texas History
Pump.
Patent for a pump specifically designed for oil wells to make drilling oil more efficient, lucrative, and easier to perform.
Date:
April 13, 1920
Creator:
Carden, David A.
System:
The Portal to Texas History
Testing Device.
Patent for a testing device that can be used to test the condition of the pistons in an internal combustion motor. The device can also be used as an "air pump, or grease or oil gun." (lines 30-31).
Date:
April 13, 1920
Creator:
Harpst, Frederick E.
System:
The Portal to Texas History
Well-Packer.
Patent for an improved well drilling device called a "packer", in which this version has a reduced likelihood of the seals between separate parts being damaged and needing replacement.
Date:
April 13, 1920
Creator:
Fletcher, Harold W.
System:
The Portal to Texas History
Device for Taking Samples from Wells.
Patent for the development of a drill bit "specially designed for the purpose of obtaining samples of the formation through which the drill bit is passing" (lines 14-16).
Date:
April 6, 1920
Creator:
Dodds, Redus D.
System:
The Portal to Texas History
Means for Detachably Securing Chairs to Floors.
Patent for a new device that secures chairs to the floor and is easily detachable so the chairs can be moved when necessary.
Date:
April 6, 1920
Creator:
Lambert, Joseph A.
System:
The Portal to Texas History