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UNT Libraries Government Documents Department - Browse


Adjustable Standard for Plows.

Description: Patent for improvements to foot pieces that allow for easy adjustment of plowing depth. Includes instructions and illustrations.
Date: July 1, 1891
Creator: Teague, Jasper K.

Air Ship.

Description: Patent for air ship design lifted by balloon with vertical adjustable sails. Accompanied with illustrations.
Date: November 23, 1886
Creator: Appling, Marby P.

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

Baling Press.

Description: Patent for a new and improved baling press. This design "comprise[s] a frame and case having aligned baling-chambers at opposite ends, a follower having two head-blocks working one in each of the baling-chambers, a shaft journaled between the baling-chambers, and two ropes connected at one end to the shaft and at their other ends to the opposite head-blocks" (lines 46-53).
Date: May 3, 1887
Creator: Green, William Robert & Green, Newton Jasper

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: March 24, 1902
Creator: Shelton, Robert H.


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.

Boat Propeller

Description: Patent for a boat propeller. Illustration included.
Date: January 16, 1906
Creator: Edgar, Samuel Nooley


Description: Patent for certain new and useful improvements in bolt holders, including instructions and illustrations.
Date: December 6, 1898
Creator: Higdon, Jasper S.


Description: Patent for a bonnet. Illustrations included.
Date: March 6, 1905
Creator: Hancock, Mollie

Burglar Alarm.

Description: Patent for a new and improved burglar alarm. This design "consists in a wire attached to the anchor or escapement-lever of a clock-work for ringing or sounding an alarm bell, which wire has a hook at its outer end, which is passed into a loop, ring, or hook at the end of a wire connected with the key-bolt or knob-bolt of a lock, or with a wire leading to places a considerable difference from the alarm" (lines 11-18).
Date: September 20, 1881
Creator: Holloman, Harvey Allen


Description: Patent for an improvement to mechanical calculators by providing the "means for facilitating the addition of successive numbers of the same or different denominations, and also for subtracting and multiplying the same by substantially the means employed in adding" (lines 10-14). It includes a written explanation and illustrations.
Date: April 17, 1894
Creator: Stallard, Sherman R.


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.


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 placed across the car body or at any angle desired to secure convenience of application" (lines 8-20).
Date: June 20, 1893
Creator: Ferguson, George J.

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, and co-operating with the same for automatic action" (lines 11-22).
Date: September 8, 1885
Creator: Ferguson, George Jones

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

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination of the draw-head, the coupling-hook supported therein and having a limited longitudinal movement, the front edge of said hook being formed with inclined faces . . . and a vertical face arranged to engage proper faces in the draw-head, the forward movement of said hook being limited by [the] inclined faces . . . and vertical face, and its backward movement of bolt or stud and its upward movement by engagement of [one] surface with [another] surface" (lines 93-103).
Date: January 18, 1887
Creator: Ferguson, George J.

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "a draw-head and a swinging coupling-hook pivoted therein, of the rock-shaft having the crank-arm provided with the grooved head, the chain arranged in said groove and connected with the hook, the ratchet-disk on the shaft, and the pawl for engaging the ratchet-disk" (lines 76-82).
Date: January 4, 1887
Creator: Nutting, Adrian


Description: Patent for "a new and useful improvement in car-couplings" (lines 5-6), with instructions and illustrations.
Date: June 15, 1886
Creator: Ferguson, George Jones


Description: Patent for automatic car-coupling for passenger and freight cars.
Date: April 26, 1887
Creator: Ferguson, George Jones

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "the link having a hooked front end, the lever, spring between the front end of the lever and the link, slide-bar pivoted to the rear end of the lever, the spring-actuated latch on the said bar, having the pin thereon to engage in a socket in the bottom of the car, and the retractile spring at the outer end of the lever" (lines 11-19).
Date: September 27, 1887
Creator: Stovall, John David & Whittington, William Calvin


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


Description: Patent for improvements to car-coupling using a vertically-moving pin for locking the cars together.
Date: November 14, 1882
Creator: Blackley, George I.; Nicholson, John I.; Holloman, Harvey A.; Reedy, Thomas C. & Beezley, Anderson J.