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Animal-Trap

Description: Patent for an animal trap with a new kind of trigger fir closing the door to the trap.
Date: December 13, 1910
Creator: Hatchell, Benjamin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Apparatus for Treatment of Oil Emulsions.

Description: Patent for improvements in apparatus for treatment of oil emulsions by providing a means that will greatly assist in the separation of water from oil emulsions and which will aid the re-absorption or retention of gas.
Date: January 13, 1920
Creator: McKibben, Charles W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Apparatus for Extracting Minerals from Ores.

Description: Patent for an apparatus that extracts minerals, especially sulfur, from ores. The apparatus features new and useful improvements, creating an automatic extraction that separates the minerals in a pure state.
Date: January 13, 1920
Creator: Shires, George M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench which is more balanced in the hand than other wrenches.
Date: October 13, 1908
Creator: Layne, Mahlon E. & Hall, Samuel N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Valve-Grinder.

Description: Patent for "a tool adapted to rotate valves of an internal combustion engine for grinding the same on their seats." (lines 9-11) It is adapted to connect to the cylinder "of the engine in such a manner as to permit accurate and quick operation of the valve for grinding it, and whereby the handle of the tool may be set at a convenient angle for manipulation, and may be lengthened or shortened according to requirements." (lines 15-21)
Date: July 13, 1920
Creator: Ralston, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Packer.

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Treasure Box.

Description: Patent for a new and improved lock-box. This design "is provided with means for giving an alarm when an attempt is made to enter the same; and it also has a device for clamping it to the berth or other part of the apartment in which the traveler lodges, so that when the alarm sounds he [or she] is awakened, and thus notified at an attempt at robbery. The device is especially adapted to be clamped to the inner-face of a bed-rail, adjacent to the mattress thereof, so that it cannot be reached wit… more
Date: July 13, 1886
Creator: Hayes, Elbert Newton & Sauer, Venant August
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Journal Boxes.

Description: Patent for axel shaft oil lubrication system that acts as a reservoir and saves the oil lubrication materials to be used repeatedly without waste.
Date: May 13, 1873
Creator: Morris, Joseph R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tie-Clasp

Description: Patent for tie-clasp for men's neckties, which will hold the tie in place and prevent it from becoming loose or untied.
Date: October 13, 1913
Creator: Willingham, Charles F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Liquid Vending Machine

Description: Patent for machine that dispenses liquid drinks, and has a mechanism that can recieve a coin as payment for the drink.
Date: March 13, 1917
Creator: Ogden, Carlton N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump Piston

Description: Patent for an "Improvement in Pump-Pistons" (lines 5-6) including illustrations.
Date: January 13, 1920
Creator: Humason, Granville A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pneumatic Tire.

Description: Patent for improvements in pneumatic tire that gives a novel means to repairing a worn casing, a blow out, or a rim cut.
Date: July 13, 1920
Creator: Church, Shelby L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Testing Device.

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gin

Description: Patent for a gin that will strip fiber from the seed, "motes", and other "foreign bodies" (lines 27-28) without damaging the fiber.
Date: January 13, 1920
Creator: Tischer, Edward R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fireproof Nailing Brick

Description: Patent for a fireproof nailing brick. This invention replaces wooden plugs used for the purposes of enabling interior woodwork by using a fireproof brick or block of a porous nature.
Date: October 13, 1903
Creator: Taylor, James T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Power-Transmitting Mechanism.

Description: Patent for improvements in a power transmitting mechanism that is "designed for the purpose of connecting a driving or power shaft with a driven shaft, whereby the driven shaft is continuously rotated from the driving shaft." (lines 11-14)
Date: July 13, 1920
Creator: Smith, Robert W. J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Folding Crib.

Description: Patent for a folding crib which folds compactly for easy storage while keeping the mattress and covers in place, with illustration.
Date: August 13, 1918
Creator: Vidrine, Homer
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Farm-Gate

Description: Patent for a farm gate that is easy to manufacture and assemble.
Date: April 13, 1915
Creator: Cardwell, Charles E. & Jenkins, R. E. Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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