UNT Libraries Government Documents Department - 31 Matching Results

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Wood Sawing Machine

Description: Patent for a wood sawing machine. Illustrations included.
Date: April 16, 1912
Creator: Brown, George H.

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.

Furniture-Handle.

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

Piston

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

Refrigerator

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

Switch Lock for Motor Vehicles.

Description: Patent for "certain new and useful improvements in Switch-Locks for motor vehicles", including instructions and illustrations.
Date: February 20, 1917
Creator: Frank, Gustav

Treadle-Spring.

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.

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

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.

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: February 23, 1892
Creator: Jennings, Joseph Joshua

Mower.

Description: Patent for a new mower designed for use with a single horse and provide a device where the sickle bar may be adjusted at various heights.
Date: July 5, 1921
Creator: John Bryon Nelson

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.

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.

Spike Holder

Description: Patent for an improvement in railroad spike holders to affordably reduce abrasion of the rail and to hold spikes into position, including illustrations.
Date: October 15, 1914
Creator: Kelly, William D.

Saw-Guide

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

Telegraph-Key.

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

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

Hand-Car.

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 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… more
Date: July 15, 1879
Creator: Lochner, Casper F.

Millstone-Dress.

Description: Patent for millstone dress using mill stone.
Date: July 20, 1858
Creator: Loy, George W.

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.

Mower.

Description: Patent for a mower that cuts crops that grow in rows and can be cut by a reciprocatory sickle in which the mower frame is attached to a cultivator frame instead of a shovel. One of the gears "is carried by a cultivator wheel for reciprocating the sickle bar by the travel of the cultivator" (lines 20-23), including illustrations.
Date: December 10, 1918
Creator: Pate, William H. & Moss, Turner F.
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