UNT Libraries Government Documents Department - 1,367 Matching Results

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Lift or Elevator.

Description: Patent for a new and improved elevator. This design "consists in the construction of the operating mechanism . . . whereby the mechanism may be regulated or adjusted to run fast or slow, according to the weight of the load to be carried, it being adjusted to run slow, but with great power, when heavy loads are to be lifted, but to run fast, but with lesser power, when lighter loads are to be lifted" (lines 28-37).
Date: April 8, 1884
Creator: Krause, Earnest.
Item Type: Refine your search to only Patent

Cartridge Belt.

Description: Patent for a new and improved cartridge belt. This design "is to provide a new and improved cartridge-belt for holding cartridges securely, the said belt being simple in construction, strong, and durable. The invention consists in the combination of a belt, with a strap held on the same by up-right metal fasteners and forming pockets on the belt. The invention also consists in the combination, with the above belt and strap, of a cord passed transversely through the several pockets, and in other… more
Date: April 14, 1885
Creator: Beach, Willie P.
Item Type: Refine your search to only Patent

Sinking Hydraulic Piles.

Description: Patent for new and improved sinking hydraulic piles. This design has for its object "the sinking of wooden or other piles in quicksand or ground in which the lateral pressure upon the piles practically prevents their being driven beyond a certain depth. To that end [the design] make[s] use of a jet of water supplied at the entering-point of the pile, and in connection therewith [the design] also use[s] weight applied at the upper end of the pile" (lines 8-16).
Date: September 1, 1885
Creator: Blake, Lowell Everett.
Item Type: Refine your search to only Patent

Water Elevator.

Description: Patent for a new and improved water-elevator. This design "has for its object to provide for the escape of the air initially held in the upper bends of the screw, so as to relieve the same of the pneumatic pressure caused thereby in connection with the ascending water, thus causing less resistance to the rotation of the screw, enabling it to be operated by decreased motive power" (lines 11-18).
Date: November 9, 1886
Creator: Campbell, George W.
Item Type: Refine your search to only Patent

Filter.

Description: Patent for a new and improved filter. This design is for "[a] filter consisting of sections secured together at their meeting edges by a lapped joint, the upper edge of [a] section being fitted wholly within [another] section and forming a shoulder for the support of a screen-plate, and the body of filtering material above, a shoulder on [a] section below [the] shoulder, and screen plates resting on and held to the shoulders by the weight of the body of filtering material, whereby, when the fil… more
Date: February 15, 1887
Creator: Begemann, Charles Fredrich William
Item Type: Refine your search to only Patent

Pipe Connection.

Description: Patent for a new and improved pipe connection. This design has for its object "to provide a new and improved pipe connection which permits of swinging the several connected pipe-sections at angles to each other. The invention consists of two pipe-heads fastened together and turning on a spring-bolt, and of a packing placed between the said pipe-heads to prevent leakage" (lines 8-15).
Date: March 15, 1887
Creator: Jones, William E. & Winniatt, Harry
Item Type: Refine your search to only Patent

Car Brake.

Description: Patent for a new and improved car-brake. This design consists in "[t]he combination, with the transverse beam of the truck, of the levers pivoted to the under side of the same, the brake-shoes, the pitmen connecting the brake-shoes with the levers, the straps secured to the beam, the retaining-rods having their ends pivoted to the pitmen and the straps, and devices for operating the levers" (lines 94-101).
Date: March 19, 1889
Creator: Mayer, Charles
Item Type: Refine your search to only Patent

Car-Coupling

Description: Patent for "improved and simple means for automatically and positively coupling the adjacent ends of railway-cars together" (lines 25-27).
Date: April 9, 1889
Creator: Campbell, George W.
Item Type: Refine your search to only Patent

Oven-Thermometer

Description: Patent for "an instrument for indicating the temperature of an oven, so that the fire may be regulated to secure the required temperature for any particular article" (lines 21-25).
Date: May 21, 1889
Creator: Voss, John C.
Item Type: Refine your search to only Patent

Fishing Tackle.

Description: Patent for a new and improved fishing tackle. This design is "to provide a snaring device which will, so far as possible, insure a capture; to so arrange the hooks as to prevent a loss of bait, and to provide a device capable of ensnaring as many fish as may at the time of lifting the snare by nibbling at the bait. . . . the invention consists in a spacing-ring, preferably formed of lead or other heavy metal and having a central hub and having a series of hooks radiating from the tub and secure… more
Date: January 7, 1890
Creator: Mayer, Charles
Item Type: Refine your search to only Patent

Water-Elevator

Description: Patent for "an apparatus for use in connection with a well, whereby the well-bucket will be automatically elevated and emptied into a trough by the weight of the cattle that may come to the well to drink, the apparatus be ing particularly designed for use in the Western countries, where large numbers of cattle come to each well in herds" (lines 16-23).
Date: April 1, 1890
Creator: Campbell, George W.
Item Type: Refine your search to only Patent

Las Cruces Sheet

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1891
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.25 -106.75

Dynamometer for Locomotives.

Description: Patent for a new and improved dynamometer for locomotives. This design is "to provide a novel construction in dynamometers for indicating the traction power of locomotives" (lines 9-11). It consists in "a draw-head, a chamber containing a liquid located therein, a piston operating in said chamber, means for connecting said piston with the opposite draw-head, suitable tubing connecting with the said chamber, and a pressure-gage mounted upon or attached to the said tubing and actuated by the said… more
Date: January 13, 1891
Creator: Innes, Robert H.
Item Type: Refine your search to only Patent

Apparatus for Oiling Railway-Tracks.

Description: Patent for improvements in mechanism for “applying oil to curves and switches of street railway tracks” (lines 6-7) by using an “oil-tank [that] is arranged in the upper position of the hood or shield over the car-wheel. The valve is in the bottom of the oil-space and may be controlled by a lever arranged to turn or lift in the valve, and under the valve is arranged the oiling-wheel, which runs lightly on the track or face of the car-wheel and applied the oil." (Page 2, lines 69-76) Includes il… more
Date: August 4, 1891
Creator: Ennis, Thomas L.
Item Type: Refine your search to only Patent

Nut Lock.

Description: Patent for a new and improved nut lock. This design consists in "[t]he combination of the bolt, the nut having a dovetailed groove across its face, of uniform width throughout its length, and a recess at one side of said groove, and a key having tapered sides and sliding into the dovetailed groove from one side of the nut, said key having a pointed end to engage the bolt and also provided with a projecting part to be bent over into engagement with the recess in the nut" (lines 69-78).
Date: April 19, 1892
Creator: Robinson, William D.
Item Type: Refine your search to only Patent

Windmill.

Description: Patent for a windmill that qualifies as "a substantial and strong machine capable of withstanding the high winds of the Western prairies, which will be at the same time inexpensive and simple in construction, and which will automatically regulate itself in such a manner as to run with a uniform speed in all kinds of winds" (lines 16-22)
Date: August 30, 1892
Creator: Campbell, George W.
Item Type: Refine your search to only Patent

Las Cruces Sheet

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1893
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.25 -106.75

Pump.

Description: Patent for an improved, useful, durable, and simple pump that is powered by cattle as they walk into an enclosure. It consists of a water receiving chamber with inlet openings on one end, supporting rods, a hollow pump piston with a spout, a valve on the bottom of the pump piston, a walking beam, a bridge, hinges, angle-irons, and a counterbalances weight.
Date: April 18, 1893
Creator: Clayton, James W.
Item Type: Refine your search to only Patent

Ore-Separator.

Description: Patent for an improved, efficient, simple, and durable ore separator that quickly separates precious metals from sand. The operator puts the unfiltered material in the top of the separator, the material goes down a slide, through a stirrer, and out the other end.
Date: August 15, 1893
Creator: Dilworth, Robert
Item Type: Refine your search to only Patent
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