UNT Libraries Government Documents Department - 112 Matching Results

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Improvement in Cotton-Presses.

Description: Patent for improvement in cotton-presses, which increases convenience by using detachable parts to facilitate insertion of material and a windlass with a system of cords and levers to increase compression of cotton.
Date: November 30, 1875
Creator: Wallace, Wesley W.

Improvement in Plows.

Description: Patent for the, "improvement in the auxiliary blades attatched to plows...[and] in the improved method of constructing and attaching the blade to a plow, so that it can be shifted and adjusted in different positions" (lines 14-21). Illustrations included.
Date: February 27, 1877
Creator: Kersh, Thomas E.

Improvement in Portable Fences

Description: Patent for an improvement to portable fences so that they can be "easily and cheaply constructed in sections, and then quickly put together and firmly braced and supported." (lines 14-17) Illustration included.
Date: October 3, 1876
Creator: Martin, Josiah

Improvement to Fire-Box for Boilers

Description: Patent for the improvement of fire-boxes for broilers by reducing the draft and “causing a more complete mixture of the fuel and air and consequently a more thorough combustion of the fuel” (lines 13-16). Instructions and illustration included.
Date: February 9, 1915
Creator: Shaw, Carl C.

Label and Twine Cabinet.

Description: Patent for a label and twine cabinet which allows for quick removal of various kinds and quantities of labels, including illustrations.
Date: November 3, 1891
Creator: Haynes, Thomas M. & Gunning, William H.

Liquid - Dispensing Apparatus.

Description: Patent for invention of liquid dispensing especially kerosene and gasoline. For this the air for feeding pressure is manually supplied.
Date: August 8, 1916
Creator: Hamilton, Coy. E.

Lock-Joint Rail.

Description: Patent for a lockable joint for connecting segments of a railway track. The joint is resistant to breakages due to the passage of trains but allows for the replacement of worn track.
Date: May 5, 1914
Creator: Swindler, Edgar L.

Locking Device For Car-Couplings.

Description: Patent for a new and improved locking device for car couplings, including instructions and illustrations.
Date: July 18, 1899
Creator: Stewart, George P.

Locomotive-Pilot Coupling.

Description: Patent for a locomotive-pilot coupling that can lift or elevate locomotive pilot or draw-bars, a cylinder that can turn in all directions depending on how the bars moves and is collecting to the motor fluid supply, a piston in the cylinder that connects the bar to the cylinder, a swinging jaw, and various other parts.
Date: January 21, 1896
Creator: Heidelberg, Samuel R.

Machine For Grinding Valve Seats

Description: Patent for a simpler machine for Grinding Valve-Seats. This machine relates to the machinery involved in the grinding and finishing of valve seats.
Date: July 28, 1905
Creator: Meyners, Henry

Marking-Tag.

Description: Patent for a marking-tag that is clamped around the edge of the merchandise that is being labeled. This tag is secure at its four corners "so as to obviate curling of the corners and to protect the ends of the fastener employed for securing the tag to the goods, whereby scratching of the hands and injurious contact of the points of the said fastener with the goods or merchandise are wholly obviated" (lines 12-18).
Date: March 24, 1896
Creator: Winkler, Charles

Measuring and Drawing Tool.

Description: Patent for an improved, simple, and durable measuring and drawing tool that is easily adjusted and used to find bevels, pitches, degrees, and lengths in framing roofs. It has other purposes as well. "The invention consists of a plate in the shape of an eighth of an octagon having four sides, and a straight edge pivoted on the side plate and indicating thereon" (lines 14-17).
Date: May 2, 1893
Creator: Allred, Lemuel O.

Mechanical Movement

Description: Patent for invention has relation to mechanical movement and object is to provide a mechanical means for operating trip lever or other devices, and to this end the novelty consists in the system of lever cranks.
Date: July 28, 1885
Creator: Pickle, Obadiah A.

Metal Tie.

Description: Patent for a metal railroad tie.
Date: May 2, 1911
Creator: Riley, Samuel L.

Mosquito Netting Frame.

Description: Patent for a new and improved mosquito netting frame. This design "consists of a mosquito-netting frame formed of two longitudinal rods removably fastened to uprights attached to the bedposts, and held by cords or wires passing from the outer ends of each of said longitudinal rods to the top of each upright. A transverse rod or bar is removably attached to the outer ends of said longitudinal bars or rods. . . . [The design] is simple in construction, light, durable, and convenient" (lines 9-18). more
Date: March 8, 1881
Creator: Bailey, Alfred H.

Motor-Actuated Locking Device for Automobiles

Description: Patent for a device that prevents the drive shaft of an automobile from when moving when pushed by an unauthorized person. The device acts as a form of security to ensure unauthorized individuals are unable to move the vehicle. Additionally, the device can be used while the vehicle is in motion in order to slow the drive shaft, and thus the vehicle.
Date: November 18, 1919
Creator: Wherry, Robert D.

Nut-Lock.

Description: Patent for a combined nut lock and washer for use on railroad track joints.
Date: August 3, 1909
Creator: Garner, William R.

Nut Lock

Description: Patent for a nut lock. Illustration included.
Date: August 10, 1909
Creator: Garner, William Robert

Nut-Lock.

Description: Patent for a nut lock for railroad joints, which includes spring washers.
Date: August 3, 1909
Creator: Garner, William R.

Oil-Burner

Description: Patent for improvement in oil burners. This device allows oil to be mixed with air to allow the substance to burn more effectively.
Date: January 30, 1912
Creator: Kunkel, Albert R.

Oil-Burner.

Description: Patent for an oil burner, which atomizes oil through the injection of steam that helps the oil to burn more easily.
Date: October 19, 1909
Creator: Milton, John Foy

Oil Expressing Box.

Description: Patent for a new and improved oil-expressing box. In this design, "the follower is adapted to fit the box, so as to obviate the need of any joint-closing device, and the face of the follower at its side edges is raised to better confine the bag in place, and at its center or central portion is channeled and provided with a false bottom to provide for the escape of the oil" (lines 24-31).
Date: June 23, 1885
Creator: Cathcart, Rodney S.

Operating Device for Air-Break Angle-Cocks.

Description: Patent for improvements in air-break systems where the angle-cock may be operated by the breakeman from either side of the car without going between the cars. (Lines 15-18) Illustration is included.
Date: March 10, 1903
Creator: Riley, William B.
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