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Process for Converting Sodium Sulfate to Sodium Sulfid. (open access)

Process for Converting Sodium Sulfate to Sodium Sulfid.

Patent for converting sodium sulfate to sodium sulfid, it is a process conversion of chemical compounds sodium sulfate to sodium sulfid.
Date: November 22, 1921
Creator: Anderson, Robert James
System: The Portal to Texas History
Ant Trap. (open access)

Ant Trap.

Patent for a new and improved ant trap. This design calls for a tank of water to be buried in the ground and a collar of cheap material to be attached to the tank and placed over the mouth of an anthill. The concave nature of the collar prevents ants from climbing out of it, so they are forced into the water tank, where they drown; the design is cheaper and less toxic than previous designs.
Date: November 22, 1881
Creator: Arnett, Sandridge Thomas
System: The Portal to Texas History
Clamp (open access)

Clamp

Patent for a clamp. This device is employed to use a hoisting line attached to well casing or tubing. Illustration included.
Date: November 22, 1910
Creator: Athey, Earl
System: The Portal to Texas History
Gate. (open access)

Gate.

Patent for certain new and useful improvements in gates, including instructions and illustrations.
Date: November 22, 1898
Creator: Billingsley, John
System: The Portal to Texas History
Planter Attachment For Cultivators. (open access)

Planter Attachment For Cultivators.

Patent for certain new and useful improvements in corn and cotton planter attachments for cultivators, including instructions and illustrations.
Date: November 22, 1898
Creator: Brock, Samuel
System: The Portal to Texas History
Friction-Clutch. (open access)

Friction-Clutch.

Patent for certain new and useful improvements in friction clutches, including instructions and illustrations.
Date: November 22, 1898
Creator: Clarke, George R.
System: The Portal to Texas History
Sash Fastener (open access)

Sash Fastener

Patent for a window sash fastener. Illustration included.
Date: November 22, 1904
Creator: Clements, John H.
System: The Portal to Texas History
Spring Wheel (open access)

Spring Wheel

Patent for improvements on spring wheels especially those adapted for motor vehicles.
Date: November 22, 1911
Creator: Coble, Ernest L.
System: The Portal to Texas History
Lubricator (open access)

Lubricator

Patent for a lubricator for locomotives and steam engines. Illustrations included.
Date: November 22, 1910
Creator: Coppers, John Andrew & Booth, Eldredge Early
System: The Portal to Texas History
Process of Producing Metallic Zinc (open access)

Process of Producing Metallic Zinc

Patent for a process of producing metallic zinc. Illustration included.
Date: November 22, 1910
Creator: Dawson, Oliver B.
System: The Portal to Texas History
Stock Feeder (open access)

Stock Feeder

Patent for stock feeder, for automatically feeding grain (or mill food) to stock (particularly hogs) with feeding troughs on opposite sides of oscillating storage hopper.
Date: November 22, 1921
Creator: Dierks, John
System: The Portal to Texas History
Cultivator (open access)

Cultivator

Patent for a cultivator. Illustrations included.
Date: November 22, 1910
Creator: Ellett, Luther S.
System: The Portal to Texas History
Gin Rib (open access)

Gin Rib

Patent for a gin rib. This is an improvement on the ribs/grates for cotton gins. Illustration included.
Date: November 22, 1904
Creator: Ellman, Louis W. & Davis, James L.
System: The Portal to Texas History
Piano Tuning-Pin (open access)

Piano Tuning-Pin

Patent for a piano tuning pin that has "superior advantages and of a simple and effective construction and arrangement of parts, which will provide for a more accurate tuning of the piano with which the device is used and at the same time preserve the strings against breakage by avoiding the use of sharp corners" (lines 14-18).
Date: November 22, 1892
Creator: Enos, Henry B.
System: The Portal to Texas History
Tongue Support (open access)

Tongue Support

Patent for a wagon tongue support. Illustration included.
Date: November 22, 1904
Creator: Evans, Martin S.
System: The Portal to Texas History
Dredge. (open access)

Dredge.

Patent for an excavating machine specifically designed for canal digging, that "is an improvement upon a patent granted to Charles S. Butterfield, March 13, 197 and numbered 1,219,371" (lines 10-13). This invention provides a means for firm and stable support of the excavating machine and allows the position of the machine to be easily changed as the work progresses.
Date: November 22, 1921
Creator: Evans, Marvin
System: The Portal to Texas History
Hay-Press (open access)

Hay-Press

Patent for improvements in the construction and design of hay presses.
Date: November 22, 1887
Creator: Flato, Friderich W.
System: The Portal to Texas History
Clothes Pin (open access)

Clothes Pin

Patent for clothes pins. Illustration included.
Date: November 22, 1904
Creator: French, Alfonso Claude
System: The Portal to Texas History
Brace (open access)

Brace

Patent for a brace. Illustration included.
Date: November 22, 1910
Creator: Goodson, Milton A.
System: The Portal to Texas History
Well Pumping Mechanism (open access)

Well Pumping Mechanism

Patent for well pumping mechanism. Illustration included.
Date: November 22, 1910
Creator: Gray, William T.
System: The Portal to Texas History
Railway-Joint (open access)

Railway-Joint

Patent for improvements onto railway joints to "omit the declining surfaces of the fish-plate and to employ in conjunction with my other devices or wedges an ordinary fish-plate, whereby the invention may be applied to the joints of rails now in use any change whatever either to the fish-plates or the bolts" (lines 22-28).
Date: November 22, 1892
Creator: Greenwell, Robert E.
System: The Portal to Texas History
Crude Oil Burner (open access)

Crude Oil Burner

Patent for a "useful improvements in burners for liquid and gaseous fuel" (line 9-11). Illustration included.
Date: November 22, 1910
Creator: Gregson, Emily G. L.
System: The Portal to Texas History
Agricultural Implement (open access)

Agricultural Implement

Patent for an agricultural implement. This invention is a "novel construction of standard and plow-point, cultivator shovel, rake-tooth, or like implement" (lines 11-14). Illustrations included.
Date: November 22, 1904
Creator: Herrod, Howard H., Jr.
System: The Portal to Texas History
Oil Trap (open access)

Oil Trap

Patent for improvements to floating oil traps. Floating oil traps are used to catch excess oil floating on top of refinery discharge canals. These improvements include increased flexibility, thus allowing the trap to move with the flow of the water.
Date: November 22, 1921
Creator: Jones, Robert P.
System: The Portal to Texas History