UNT Libraries Government Documents Department - 134 Matching Results

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Book Adjuster.

Description: Patent for a new and improved book-adjuster. This design consists in "[t]he combination, with the holder having the horizontal longitudinal recess and the vertical screw-threaded aperture, of the base-piece, the adjusting-screw swiveled at its lower end in the said base-piece, and the spring-catch" (lines 3-8).
Date: February 8, 1887
Creator: Adair, Irvine James
Item Type: Refine your search to only Patent

Cable Reeling and Pulling Truck

Description: Patent for the cable reeling and pulling truck. This invention was made to ease the process of cable reeling and pulling by trucks and for improvements to the safety of this process. Illustrations are provided.
Date: February 12, 1918
Creator: Alberts, James
Item Type: Refine your search to only Patent

Car-Door.

Description: Patent for "an improved freight car door so supported that it will not be shaken or jarred off and can be easily opened and closed at all times no matter how heavily loaded the car may be." (Lines 16-20) Includes instructions and illustrations.
Date: February 26, 1895
Creator: Allen, Thomas C.
Item Type: Refine your search to only Patent

Stalk-Cutter.

Description: Patent for stalk cutter that breaks the stalks close to the ground, featuring a lever that enables cutter height adjustments to facilitate the breaking of stalks. This stalk cutter has no cutting edges and will not dull over time.
Date: February 24, 1914
Creator: Blakely, Phylander.
Item Type: Refine your search to only Patent

Well Digging Machine.

Description: Patent for a new and improved well-digging machine. This design "consists in connecting to the bottom of [a] shaft a gang of plows, which effectually break and cut up the earth, and combing therewith a fixed and inclined shear-blade and detachable earth-receiver, the said shear-blade being located in the rear of the plows, for raising the earth from the motion of the plow, and delivering it automatically into the detachable earth-receiver, which is raised to the surface with its load by means o… more
Date: February 6, 1883
Creator: Chambers, Job C. & Chambers, Silas
Item Type: Refine your search to only Patent

Artificial Leg.

Description: Patent for an artificial leg that has an improved ankle joint and a socket for the stump. It is also more comfortable than other artificial legs.
Date: February 12, 1895
Creator: Chapman, Edward
Item Type: Refine your search to only Patent

Lens Holder

Description: Patent for a lens holder. The design of this invention relates to holders for eyeglasses and spectacles. Illustration included.
Date: February 15, 1910
Creator: Chappel, James M.
Item Type: Refine your search to only Patent

Automobile-Rack.

Description: Patent for improved automobile racks that are elevated to accomplish the following tasks: removing paint from the automobile, and make the automobile more accessible during construction.
Date: February 10, 1920
Creator: Cleveland, David P.
Item Type: Refine your search to only Patent

Electrical Fare-Box.

Description: Patent for device "to improve the illumination and increase the efficiency and subserviency of street-care fare-boxes. To these ends the source of light is located in the interior of the box, instead of being placed in a separate chamber at the outside of the box, as is now done, and electrical agency is utilized to produce the light and also to notify the driver that a passenger requires change and when a fair has been deposited in the box" (lines 8-17).
Date: February 8, 1887
Creator: Crowdus, Walter A.
Item Type: Refine your search to only Patent

Current Regulator for Dynamo Electric Machines.

Description: Patent for a new and improved current regulator. This design "pertains to that class of regulators in which the collecting brushes of the commutator are automatically moved around the commutator and caused to occupy different positions relatively to the maximum lines of the magnetic field between the poles and the armature; and it embraces a novel method of controlling the movement of the brushes to compensate for variations in the speed of the machine and regulate the current in accordance wit… more
Date: February 14, 1888
Creator: Crowdus, Walter A. & Sutton, Henry M.
Item Type: Refine your search to only Patent

Shaft-Tug.

Description: Patent for an improvement of harness and shaft-tugs by providing a sleeve to fit the tug closely, a bolt to secure the tug and a strap clamps to the shaft; for the purpose of limiting the movement of the tug. Illustration is included.
Date: February 3, 1891
Creator: Davies, Thomas William & Downey, George Marshall
Item Type: Refine your search to only Patent
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