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Apparatus for Heating up Locomotive-Boilers.

Description: Patent for an "apparatus for kindling fires in locomotives; and it is intended to provide an improved apparatus by which the fires may be rapidly and economically kindled and steam may be gotten up without much of the tedious delay now ordinarily incident to raising steam in a cold locomotive-boiler." (Lines 13-19) Includes instructions and illustrations.
Date: January 21, 1896
Creator: Connor, John T.
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for a simple and inexpensive cattle-guard that has comprising rollers which can be independently and easily replaced. The bars that hold the rollers can also be easily removed.
Date: January 30, 1894
Creator: Lefléve, Louis
Partner: UNT Libraries Government Documents Department

Automatic Film-Mover

Description: Patent for an automatic film mover which allows film in a projector to be automatically moved forwards and in reverse.
Date: January 12, 1915
Creator: Edmond, Berger & Barnes, Ned E.
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for improved design and function in oil burners, specifically on fuel nozzle and needle valve, allowing for greater control of gas that flows through to create combustion.
Date: January 27, 1914
Creator: Butler, Louis
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.
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.
Partner: UNT Libraries Government Documents Department

Gasolene-Measuring Device.

Description: Patent for gasoline measuring device for improving service stations for patrons to see the amount of gasoline. Air pressure will transfer gasoline from tank into measuring device. Gasoline measuring device will be quickly delivered to patrons.
Date: January 25, 1921
Creator: McKallip, Jonathan C.
Partner: UNT Libraries Government Documents Department

Indexing Device.

Description: Patent for an indexer of paper documents in book form. It is made to open along the center with visible subject headings.
Date: January 18, 1921
Creator: Moran, Stanley C.
Partner: UNT Libraries Government Documents Department

Locomotive Drifting-Valve.

Description: Patent for locomotive drifting valves to admit saturated steam from the boiler to the steam chamber of the valve chest and cylinders while the locomotive is running with the main steam throttle closed.
Date: January 8, 1918
Creator: Meister, Alfred A.; Surles, John W. & Boyle, Edmund F.
Partner: UNT Libraries Government Documents Department

Loose-Leaf Binder

Description: Patent for loose-leaf binders. A strong and easy way to attach or remove loose leaf papers from a flat book.
Date: January 4, 1906
Creator: Owen, Thomas
Partner: UNT Libraries Government Documents Department

Well Mechanism

Description: Patent for a well mechanism that provides a coupling with strong, tight joints for the other parts of the mechanism. Illustrations included.
Date: January 26, 1909
Creator: Layne, Mahlon E.
Partner: UNT Libraries Government Documents Department

Well Drilling Mechanism

Description: Patent for a well drilling mechanism. This invention addresses the time consuming labor of screwing together sections of drilling pipe. This invention "contemplates an apparatus adapted to be attached to the frame of the rotary and operated by the driving mechanism of the rotary...screwing and unscrewing accomplished by mechanical means without manual means" (lines 38-44). Illustration included.
Date: January 14, 1913
Creator: Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Turning Tool for Bale Band Fasteners.

Description: Patent for "novel construction of turning-tool having simple and efficient means for exerting a powerful leverage upon the turning or winding element of the fastener, whereby all of the slack in the bale-band may be readily taken up and drawn very tight, thus insuring the manipulation of the bale-band fastener in a way to provide for taking up a maximum amount of slack with a minimum movement" (lines 16-25). Includes Illustrations.
Date: January 22, 1901
Creator: Campbell, Douglas M.
Partner: UNT Libraries Government Documents Department
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