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Mail-Transferring Apparatus. (open access)

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 (open access)

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
Percolator. (open access)

Percolator.

Patent for a percolator for coffee or tea that is "reliable and efficient in its operation, readily and easily adjusted to fit the various sizes of pots and also inexpensive in manufacture." (lines 44-47)
Date: April 20, 1920
Creator: Rose, Isabell M.
System: The Portal to Texas History
Plunger For Deep-Well Pumps (open access)

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
Price-Tag. (open access)

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
Shock-Absorber and Axle-Reinforcement. (open access)

Shock-Absorber and Axle-Reinforcement.

Patent for a shock absorber and axle reinforcer designed to protect the axle and spring in motor vehicles with a front transverse spring while driving over rough road.
Date: April 20, 1920
Creator: Teller, John D.
System: The Portal to Texas History
Spear (open access)

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
Piston Ring (open access)

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
Cotton-Chopping Machine (open access)

Cotton-Chopping Machine

Patent for a cotton "wheeled cultivator" (line 14-15) attachment which allows users to make adjustments to the cultivator blades, including illustrations.
Date: April 13, 1920
Creator: Sims, James G.
System: The Portal to Texas History
Lens-Holder. (open access)

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
Pump. (open access)

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. (open access)

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. (open access)

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
Windmill-Gearing (open access)

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
Wrench. (open access)

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
Valve-Lifter (open access)

Valve-Lifter

Patent for an improved device that can be applied to a valve spring plate without losing grip.
Date: April 8, 1920
Creator: Chaney, Robert
System: The Portal to Texas History
Truss. (open access)

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
Bottle-Filling Device. (open access)

Bottle-Filling Device.

Patent for filling bottles with "two liquids and introducing them into the bottle at the same time under pressure" (lines 17-18), specifically for "carbonated beverages" (lines 12-13).
Date: April 6, 1920
Creator: Dannelley, Dillon C.
System: The Portal to Texas History
Cylinder-Grinding Attachment For Lathes (open access)

Cylinder-Grinding Attachment For Lathes

Patent for an improved attachment for the lathe to grind cylinders of different sizes
Date: April 6, 1920
Creator: Snell, William T.
System: The Portal to Texas History
Device for Taking Samples from Wells. (open access)

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
Electric Light Switch. (open access)

Electric Light Switch.

Patent for an improved electric switch that is used to energize electric lights for various purposes and for use in connection with a signaling system. This switch will permit the energization of any one of the lights separately or all lights simultaneously.
Date: April 6, 1920
Creator: Riggs, Fletcher S.
System: The Portal to Texas History
Fiber-Cleaning Device. (open access)

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
Hydrocarbon-Burner (open access)

Hydrocarbon-Burner

Patent for an improved hydrocarbon burner, including illustrations.
Date: April 6, 1920
Creator: Critchett, James C.
System: The Portal to Texas History
Means for Detachably Securing Chairs to Floors. (open access)

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