UNT Libraries Government Documents Department - 818 Matching Results

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Cotton-Chopper.

Description: Patent for a cotton chopper, which has a rotary blade for cutting cotton and blades which can be raised to different levels for different depths of soil.
Date: March 10, 1908
Creator: Williams, John Scott
Item Type: Refine your search to only Patent

Blackboard-Eraser

Description: Patent for "blackboard-erasers in which the erasing material is detachable from the wood block or handle and permits...being used continuously."
Date: November 18, 1902
Creator: Williams, Lavinia B.
Item Type: Refine your search to only Patent

CHURN

Description: Patent for the improvement of a churn. The churn has a detachable support and a closure for the upper end of the body of the churn.
Date: February 18, 1913
Creator: HARRISON, DAVID M.
Item Type: Refine your search to only Patent

Bed Slat Fastener and Brace

Description: Patent for a bed-slat fastener and brace. This bed-slat design is designed to "effectually prevent the distension of the side rails of the bed and will also strengthen and support the slats and prevent sagging or breakage" (line 9-12) illustration included.
Date: June 16, 1903
Creator: Shelton, Robert H.
Item Type: Refine your search to only Patent

Combined Cultivator, Harrow, and Planter

Description: Patent for "agricultural implements in which a single frame is utilized to support various kinds of mechanisms, and in the present invention there is included a frame of simple and improved construction adapted for carrying and to be used in connection with earth-engaging, implements, such as harrow-teeth and cultivator blades, as well as rollers, for the purpose of crushing clods and leveling the surface of the land." (lines 8-18). Includes description and illustrations.
Date: November 23, 1905
Creator: Johnson, Alfred Butler
Item Type: Refine your search to only Patent

Axle-Repairing Apparatus.

Description: Patent for a new, simple, and efficient axle repairing apparatus for "facilitating the repairing of worn axles without the removal of the wheels or the axles from the vehicle-body" (line 10 -12).
Date: May 10, 1898
Creator: Hammer, Willie Alice
Item Type: Refine your search to only Patent

Combined Cultivator and Planter.

Description: Patent for a new and improved cultivator and planter. This design consists in "the combination of the box having the slot and the three apertures in the side of the slot . . . the reciprocating seed-slide, and the sliding and adjustable plate . . . having the slot near its end and engaging with the free leg of the staple" (lines 100-110).
Date: February 26, 1889
Creator: Carter, Edward D.
Item Type: Refine your search to only Patent

Convertible Corn and Cotton Planter, Stalk-Cutter, and Roller.

Description: Patent for a convertible corn and cotton planter, stalk-cutter, and roller. It has a main frame, a supplemental frame that has its front end hinged to the front of the main frame, a roller with circular journaled in the supplemental frame, transverse segment-plates with removable blades attached to the supplemental frame, spaces between the segment-plates, an axle, driving-wheels, a sprocket wheel and chain, feed-boxes, means for feeding the grain, and wheels for laying the ground and the cover… more
Date: April 28, 1896
Creator: Mauldin, Columbus Scott
Item Type: Refine your search to only Patent

Car-Brake.

Description: Patent for an improvement "in the application of power to car brakes, whereby the slack is quickly and automatically absorbed, and a powerful leverage is secured, and a perfect equalization of the leverage at each end of the car is obtained, and the convenient and safe adjustment of the brakes in regard to the wheels is effected, and any particular alignment of the brake cylinder in regard to the car body is avoided as the cylinder in regard to the car body is avoided as the cylinder may be pla… more
Date: June 20, 1893
Creator: Ferguson, George J.
Item Type: Refine your search to only Patent

Car-Brake.

Description: Patent for a car brake that "automatically absorb[s] the slack in car brake connecting rods which slack is induced by the wear of the brake shoes and fastening and the stretching of the parts by the strain in applying the brake" (lines 7-12). It is adjustable, inexpensive, and adjustable.
Date: March 14, 1893
Creator: Ferguson, George J.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "is to provide a cheap, durable, and simple car-coupling, which shall be automatic and positive in its action, and which uses the ordinary link and takes the draft in the same way as the common pin, and which will also fit any car, and will not get out of order from being battered. It consists, mainly, in the peculiar construction of a coupling device, in combination with a spring for holding it to the open or closed position… more
Date: September 8, 1885
Creator: Ferguson, George Jones
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists "[i]n a car-coupling, the combination of a recessed draw-head having abutments . . . and a transverse ridge, of a link adapted to rock on said ridge, a pivoted coupling-hook carrying a diagonally-projecting pin near its forward end, and a spiral spring arranged diagonally above the coupling-hook and surrounding said pin" (lines 93-100).
Date: November 17, 1885
Creator: Nutting, Adrain
Item Type: Refine your search to only Patent

Car-Coupling

Description: Patent for "a single structure in which the airbrake pipes and steam-heating pipes will be coupled together when the cars are coupled, and in which the several parts will be very compactly arranged. A further object is to provide means whereby the cars may be uncoupled by the use of compressed air" (lines 12-19).
Date: December 24, 1889
Creator: Thomas, James Bryant
Item Type: Refine your search to only Patent
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