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  Partner: UNT Libraries Government Documents Department
 Collection: Texas Patents
Apparatus for Producing Ammoniacal Gas.

Apparatus for Producing Ammoniacal Gas.

Date: July 21, 1885
Creator: Lee, Charles B.
Description: Patent for a new and improved refrigerator and ice machine. This design "consists in an improved construction, whereby the gas is relieved of its moisture before entering the condenser, a better apparatus is obtained, and repairs are facilitated and cheapened" (lines 12-16).
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Protecting Electrical Circuits.

Apparatus for Protecting Electrical Circuits.

Date: January 7, 1896
Creator: Oram, John M.
Description: Patent for an apparatus for protecting electrical circuits, and is an improvement on a previous patent (No. 537,932) issued to the inventor. This patent consists of "an electrical circuit, an alarm or indicator, a continuously-operating signal-transmitter at the protected structure operating to affect or influence the alarm or indicator, and a second or duplicate continuously-operating signal-transmitter located at the watchman's station, operating in unison with the first-named signal-transmitter to affect the alarm or indicator equally and oppositely as regards the first-named transmitter, whereby a signal is sounded or an alarm given only when the two transmitters are out of unison or when one is changed, varied, or interfered with in an unauthorized manner" (lines 72-86).
Contributing Partner: UNT Libraries Government Documents Department
APPARATUS FOR PUMPING WATER, SAND, &c.

APPARATUS FOR PUMPING WATER, SAND, &c.

Date: October 30, 1900
Creator: Butler, Thomas
Description: Patent for "an apparatus for emptying sandboxes of locomotives" (lines 13-14) "operated by compressed air to elevate and discharge sand, water, &c." (lines 10-11).
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Raising and Lowering Wagon Bodies.

Apparatus for Raising and Lowering Wagon Bodies.

Date: December 9, 1890
Creator: Scott, Eugene Edward
Description: Patent for a new and improved wagon jack. This design consists "[i]n a wagon body raiser, the combination of vertical supports, a lever pivotally supported therefrom between its ends and having a roller in one end, a shaft adapted to be secured to one end of the body, a cord having one end connected with the same end of the body as the shaft and passing over the roller and its opposite end attached to the shaft, and a cord attached to the opposite end of the body and to the adjacent end of the lever" (lines 69-78).
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Recutting Files.

Apparatus for Recutting Files.

Date: April 5, 1887
Creator: Emley, James E.
Description: Patent for a new and improved file re-cutter. This design consists "[i]n an apparatus for recutting files by electro-chemical action, the dialectric plates and the carbon plates having their upper ends attached to said non-conducting plates, whereby the files to be recut are disposed between the carbon plates when in the solution" (lines 76-82).
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Removing Cores from Cylindrical Cotton-Bales.

Apparatus for Removing Cores from Cylindrical Cotton-Bales.

Date: December 31, 1895
Creator: White, Charles W.
Description: Patent for a "means for removing screw-threaded cores from cylindrical cotton-bales" (lines 12-14). It is made up of a wheeled-truck that is holding the bale, an apparatus that grips the end of the core, a way to revolve the grip, a driven shaft, and a universal joint that connects the shaft with the end of the core.
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Retailing Shot.

Apparatus for Retailing Shot.

Date: September 21, 1880
Creator: Stokes, Micajah
Description: Patent for a new and improved round dispenser. This design "consists in a receptacle or multiple bin the several compartments of which are provided with valves controlling exit-openings, whereby any desired quantity of shot, descending by gravity from the appropriate compartment, may be directed into the scale-pan of a scale without the necessity of lifting the receptacle or bin or any part of its contents" (lines 35-43).
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Scouring Water-Ways.

Apparatus for Scouring Water-Ways.

Date: March 31, 1891
Creator: Holden, Elbridge G.
Description: Patent for an improved apparatus for scouring water-ways by using water-discharge pipes and air-discharge pipes arranged at each side of the vessel. When “vessel is slowly moved forward while the water and air forcing pumps are working,..... direct force of the water-jets and air-jets will agitate and scatter and lift the dislodged particles and float them much higher and longer than would be the case were the water-jet pipes alone used.” (Lines 63-75) Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Separating Molasses from Sugar.

Apparatus for Separating Molasses from Sugar.

Date: December 6, 1892
Creator: Ellis, Emmett A.
Description: Patent for " invented certain new and useful Improvements in Apparatus for Separating Molasses from Sugar" (lines 5-7) including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Stamping Envelopes

Apparatus for Stamping Envelopes

Date: September 24, 1889
Creator: Helland, Hans & Matzow, Frantz
Description: Patent for "a means whereby with one motion a stamp will be supplied from the'apparatus, moistened, and placed in position upon a letter, wrapper, or parcel adapted to receive it, and wherein a number of stamps may be consecutively placed when and as desired" (lines 10-15).
Contributing Partner: UNT Libraries Government Documents Department