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42 Matching Results
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Wrench.
Patent for a wrench specifically made to remove well drill bits from the drill.
Date:
April 13, 1920
Creator:
Stover, Willard L.
System:
The Portal to Texas History
Lens-Holder.
Patent for a lens holder meant to provide a "simple, relatively inexpensive and efficient means" (line 10) of securing the lens in the headlamps of an automobile or similar lamp casing.
Date:
April 13, 1920
Creator:
Marshall, Stanley G.
System:
The Portal to Texas History
Truss.
Patent for an "improved truss or abdominal belt" (lines 40-41) that provides a simple design with added pads.
Date:
April 7, 1920
Creator:
Buckley, James William
System:
The Portal to Texas History
Wire-Fence Shield.
Patent for a tool to cover a portion of barbed wire fence allowing one to cross over or through without harm, composed of three or more telescoping metal tubes.
Date:
April 6, 1920
Creator:
Davis, Marion L.
System:
The Portal to Texas History
Windmill-Gearing
Patent for improved windmill gearing, intended to reduce stain on the machinery
Date:
April 13, 1920
Creator:
Roberts, George W.
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
Wrench
Patent for an improvement to wrenches. This wrench uses a sliding jaw system for increased utility.
Date:
April 29, 1920
Creator:
Grogan, Edward W.
System:
The Portal to Texas History
Price-Tag.
Patent for an improved price tag that includes not only the price information, but also "at a glance a stock record and a cost record and provides space for making notations and writing other information" (lines 13-16) for the use of a store clerk's reference.
Date:
April 20, 1920
Creator:
Bedinger, Singleton B.
System:
The Portal to Texas History
Hydrocarbon-Burner
Patent for an improved hydrocarbon burner, including illustrations.
Date:
April 6, 1920
Creator:
Critchett, James C.
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
Method of Stretching and Securing Wire.
Patent for a "new method of stretching and securing wire" (line 6).
Date:
April 27, 1920
Creator:
Coulter, Thomas H.
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
Torch or Burner
Patent for a torch or burner for use in burning brush or foliage, which uses a pressure-controlled liquid fuel tank that maintains a steady flow of fuel at the correct pressure.
Date:
April 27, 1920
Creator:
Hardt, Benjiman F. & Taylor, Samuel T.
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
Mail-Transferring Apparatus.
Patent for a mail transferring apparatus designed to transfer mail bags from a station to a moving mail car with minimal injury to the mail bag or the receiving employees.
Date:
April 20, 1920
Creator:
Bashell, Edward Allen & Smart, W. L.
System:
The Portal to Texas History
Man's Garment
Patent for improvements in men's garments allowing for a reversible garment wherein the stitches appear the same regardless of which side is out.
Date:
April 20, 1920
Creator:
Góngora, Tomás
System:
The Portal to Texas History
Mail Carrier or Container.
Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.
Date:
April 27, 1920
Creator:
Blocker, Leck H.
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
Spring-Wheel
Patent for a spring wheel. Gebhardt describes the wheel as "an improvement... to provide resilient spokes which are connected to the hub and felly of the wheel in a manner to take up vibration and shocks imparted to the wheel in traveling or passing over obstructions and rough roads (p. 1, lines 8-15)." The patent also adds provisions for easy removal of spokes and a sectional felly and hub.
Date:
April 6, 1920
Creator:
Gebhardt, W.
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
Piston Ring
Patent for improvements to piston rings to reduce leakage through piston grooves, rings, and joints.
Date:
April 17, 1920
Creator:
Olsen, Jens J. & Edwards, Lewis E.
System:
The Portal to Texas History
Rotary Engine.
Patent for an improved rotary engine which overheats less, reduces the space between the piston and cylinder, and is easy to construct and operate.
Date:
April 27, 1920
Creator:
Jefferies, Charlie Q.
System:
The Portal to Texas History
Rotary Cutting Device for Razors.
Patent for a shaving razor designed with a "cylindrical outer surface adapted to rotate in contact with the skin" (line 111-112) which allows for safer and more efficient shaving, includes illustrations.
Date:
April 27, 1920
Creator:
Jones, Sidney, P.
System:
The Portal to Texas History
Fiber-Cleaning Device.
Patent for a fiber cleaning device, which removes "the outer fleshy or non-fibrous tissues covering the fibers" (lines 19-21) for varieties of fleshy plants.
Date:
April 6, 1920
Creator:
Quijano, Ramon
System:
The Portal to Texas History