UNT Libraries Government Documents Department - 25 Matching Results

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Apparatus for Transmitting Power.

Description: Patent for a new invention which uses a combination of radiation and levers in order more efficiently transmit power. The patent includes instructions and illustrations.
Date: February 8, 1870
Creator: Williams, Blasius

Bill or Paper File.

Description: Patent for a new and improved bill or paper file. This design "relates to hook-files, the object being to so improve their construction as to prevent the bills or papers on the file from working off. The invention consists, essentially, in a file provided with a tongue pivoted near the point of the hook" (lines 7-13).
Date: August 9, 1887
Creator: Gilbert, Frank B.

Car Brake.

Description: Patent for a new and improved brake for railroad cars. This design "consists in the combination, with the brake, of an angle-lever on the end part of the car, a draw-head on the car, a lever pivoted on the same, a rod connecting the said lever with the angle-lever, a toothed locking-bar on the standard, and a pin on the lever on the standard" (lines 10-16).
Date: July 21, 1885
Creator: Daudelin, Joseph M.T.


Description: Patent for a plate that improves the security of drop-handle furniture handles with posses superior advantages in point of simplicity, durability and general efficiency.
Date: December 26, 1905
Creator: Frank, Gustav

Garment-Fitting Device.

Description: Patent for a garment fitting device made up of a series of measuring tapes that when laid out on cloth after fitting will be held in place by diagonal cross-tapes.
Date: February 2, 1909
Creator: Johnson, Mary M.

Grip for Cable Cars.

Description: Patent for certain new and useful improvements in grips for cable cars: "and it has for its objects among others to provide a simple and cheap grip by which the wear on the cable will be diminished to the minimum, and which shall be composed of few parts, those readily assembled and not liable t get ont of order, and in which practically all the wear comes upon the grip and not upon the cable" (line 14-21).
Date: May 2, 1893
Creator: Washington, Dixon E.


Description: Patent for improvements in hand-cars by “providing gearing operated by cranks, on the shaft of which are arranged triangular balance devices, the cranks being adjustable by means of set-screws of other analogous means, so that they may be made to operate the wheels in either direction desired.” (Lines 24-29) Illustration is included.
Date: October 6, 1891
Creator: Lo Casto, Tony

Improvement in Corn-Planters.

Description: Patent for "corn-planters in which the corn is planted in hills or rows; and the particular features of [the] invention consist in the combination, with a pivoted rising and descending charger or cup, of a sleeve-seat for said charger, a charger-carrying stem, and the seed-hopper, whereby the charger is held and carried in position upon a seat to fill, to rise from said seat, and to dump upon its pivot, and to be again brought into and maintained in a vertical position upon said seat while descending through the corn, whereby the charger is held and moved vertically through the grain from the bottom of the hopper to receive and discharge the filled charge above the corn in the hopper." (Lines 7-22) Includes instructions and illustrations.
Date: May 5, 1874
Creator: Williams, Blasius & Cohn, Morris

Improvement in Grinding-Mills.

Description: Patent for the improvement of grinding-mills, including a description and illustration.
Date: July 23, 1872
Creator: Loy, George W. & Baker, Francis C.

Improvement in Rifle-Barrels.

Description: Patent for a "new and useful improvement in firearms" (lines 4-5), including instructions and illustrations. The invention provides "a gun-barrel with a number of cutters or plows for grooving the ball, said cutters or plows to correspond with with the number of guides or ribs which the gun is formed" (lines 20-25).
Date: December 11, 1877
Creator: Littlejohn, William

Improvement in Soldering-Irons.

Description: Patent for "an apparatus to be used with the common soldering-iron, whereby the same can be heated and kept heated continually while the iron is used." (Lines 6-9) Includes instructions and illustrations.
Date: December 19, 1871
Creator: Williams, Joseph

Improvement in Spark-Arresters.

Description: Patent for improved construction of spark-arresters, "so that they will be more efficient, and yet simple in construction and not liable to get out of repair; and the invention consists of a metallic circular cone, with winding or arched flanges or wings, which extend toward the side of the shall, and they are covered by a plate, to the upper side of which a perforated cylinder is attached, so that all the sparks are arrested and thoroughly extinguished, while the smoke can pass out through the perforations." (Lines 6-16) Includes instructions and illustrations.
Date: July 15, 1879
Creator: Lochner, Casper F.

Motive Power.

Description: Patent for a new and improved motive power. This design "consists of an inclined wheel applied to a center shaft that turns in fixed bottom bearings and adjustable top bearings and transmits the power by a crown-wheel and gear-wheels and shafts in one or both directions" (lines 19-23).
Date: June 14, 1881
Creator: Gibson, Obadiah William


Description: Patent for a piston for use in pumps.
Date: February 25, 1913
Creator: Frank, Gustav

Protector for Trunks or Shipping-Cases.

Description: Patent for trunk protectors "which can be readily attached and detached from the receptacle, and when attached will protect each corner." (lines 20-22) Includes instructions and illustrations.
Date: October 29, 1891
Creator: Jennings, Joseph Joshua

Railroad-Track Brace.

Description: Patent for a railroad track brace, which holds the railroad ties in place and supports the track in case of one of the ties breaking.
Date: January 19, 1909
Creator: Kelly, William D.


Description: Patent for a refrigerator. Illustrations included.
Date: January 28, 1908
Creator: Frank, Gustav


Description: Patent for a new and useful saw guide, including instructions and illustrations.
Date: December 19, 1899
Creator: Leaf, John Alfred


Description: Patent for the improvement for steam boilers by having a detachable fire-box for a portable boiler with little maintenance and efficient as a steam generator, including illustration.
Date: March 5, 1861
Creator: Porter, John


Description: Patent for certain new and useful improvements in telegraph keys, including instructions and illustrations.
Date: September 4, 1898
Creator: Lewis, Frank E.


Description: Patent for an improved treadle spring to be used in treadles that are used in sewing machines, scroll-saws, and similar machines. It is simple, inexpensive, efficient, and requires less effort to operate the treadle. The spring does not move while in use.
Date: March 6, 1894
Creator: Frank, Gustav, Jr.