UNT Libraries Government Documents Department - Browse


Adjustable Attachment for Freight-Car Doors.

Description: Patent for a mechanism that creates "an adjustable attachment for freight-car doors, for preventing sparks and other objectionable matter from getting into the cars, and means for operating the attachment that is adapted for use in securing the door in different positions of adjustment, and for connection with the body of the car by means of a seal-support, in order that the fixed adjustment of the door cannot be changed without breaking the seal" (lines 12-21).
Date: December 28, 1886
Creator: Duzan, Thomas H.


Description: Patent for an improvement in air-brake release-valve in trains to signal train crews and release the breaks if they become set for any reason, or stuck, while the train is moving, including descriptions of the release valve and illustrations.
Date: November 4, 1902
Creator: Dukesmith, Frank H.

Apparatus for Checking Runaway Horses.

Description: Patent for a new and useful apparatus for checking runaway horses, including instructions and illustrations.
Date: August 30, 1898
Creator: Singleton, James M.

Apparatus for Distilling Wood.

Description: Patent for improvements in wood distillers "wherein the liquids of the woods are extracted by subjection in a closed heated chamber or retort and carried by vaporization through the process of distillation to condensation" (lines 18-22).
Date: December 24, 1889
Creator: Spangler, Samuel H.

Blow-Off Cock and Fire-Extinguisher

Description: Patent for "a new and improved blow-off cock and fire-extinguisher to be used on locomotives for cleaning the boiler, and at the same time serving to sprinkle wooden structures in the track, such as bridges, railroad-ties, trestles, &c., to prevent their being set on fire by falling cinders discharged from the ash-pan of the locomotive or from other causes" (lines 8-16)
Date: August 13, 1889
Creator: Michell, Lucius E.

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "relates to car-couplings of that class which have a sliding spring-actuated pin-support, against which the link comes to drive the support back and permit the pin to fall and effect an automatic coupling" (lines 9-13).
Date: May 6, 1884
Creator: Mayfield, Samuel Brooks.


Description: Patent for certain new and useful improvements in car seats, including instructions and illustrations.
Date: February 27, 1900
Creator: Meier, Hermann


Description: Patent for improvements to the "Scarritt-Forney" seat so that the seat body and frame are detachable from each other. Includes instructions and illustrations.
Date: June 22, 1897
Creator: Meier, Hermann

Closet Seat Catch

Description: Patent for a closet seat catch.
Date: July 7, 1902
Creator: Alexander, Francis Marion

Cloth Measuring Reel.

Description: Patent for a new and improved cloth-measuring wheel. This design "consists in the peculiar combination and arrangement of the cutting-board with two standards, whereby the said cutting-board is made to act as a sufficient brace for the frame, as well as to perform the offices of a cutting board. The invention also consists in means for producing a variable tension on the cloth as it passes from the roll to the reel, whereby the tendency of different thicknesses of cloth to wind the cloth in greater or lesser lengths than the register indicates is compensated for and corrected" (lines 27-39).
Date: January 3, 1882
Creator: Peters, James H.


Description: Patent for new and useful improvements in Washington Pounders by "having a series of concentric cones between the sides of which communication is had through apertures to carry away steam, and affords a suitable circulation of the water and air through the clothes." (Lines 17-22) Illustration is included.
Date: December 15, 1896
Creator: Toler, Henry Wilson.

Cotton Chopper

Description: Patent for cotton chopper. Illustration included.
Date: November 27, 1906
Creator: Murray, Joel S. & Scarborough, Ezem H.

Cotton Harvester

Description: Patent for "new and useful improvements to cotton harvesters" (lines 5-6) with illustrations and instructions.
Date: July 6, 1883
Creator: Myers, John & Meyers, John Edward


Description: Patent for a cultivator. Illustrations included.
Date: July 7, 1903
Creator: Vance, Sidney F. & Woodard, Lorenzo D.


Description: Patent for a cultivator. This invention consists of a plurality of spring teeth or blades. Illustration included.
Date: March 31, 1906
Creator: Omberg, Niles E.

Desk Attachment

Description: Patent for a desk attachment. Illustration included.
Date: August 5, 1904
Creator: Miller, Hartford H.

Device for Converting Reciprocating into Rotary Motion.

Description: Patent for a new and improved device for converting reciprocating into rotary motion. This design "has for its object to provide means whereby rotary motion may be converted into reciprocating motion or reciprocating motion into rotary motion without the intervention of cranks; and to this end it consists in a mutilated gear pinion secured to a rotating shaft and provided with suitable cams, whereby the gear-teeth upon the pinion are caused to engage with gear-teeth upon a yoke embracing said pinion" (lines 23-32).
Date: July 18, 1882
Creator: Richardson, John T.

Display Cabinet

Description: Patent for display cabinet. Illustration included.
Date: July 26, 1904
Creator: Douglass, John A. & Fagg, Carye A.

Draw-Bar for Locomotives.

Description: Patent for an improved draw-bar for locomotives that consists of a frame, a pilot and draw bar, a counterweight that moves vertically in the pilot, a coupler head with a knuckle and a toe and a guide arm, and a release mechanism for the locking device on the bar.
Date: January 9, 1894
Creator: Heidelberg, Samuel R.

Draw Bar for Locomotives.

Description: Patent for a new and improved draw-bar for locomotives. This design consists, "with the frame of the locomotive and pilot mounted thereon, of the draw-bar connected to the frame, devices for locking and holding the draw-bar on the pilot, and a counter-weight for automatically elevating the draw-bar when released" (lines 97-102).
Date: August 16, 1892
Creator: Heidelberg, Samuel H.

Dust Guard for Car Windows.

Description: Patent for a new and improved dust guard for windows. This design consists in "the body . . . which is of concavo-convex form, closed at its upper end by a transverse plate and provided at its lower end with a contracted opening for the discharge of cinders, dust, &c., said body portion being provided with means . . . for affecting its attachment to a window frame" (lines 77-85).
Date: May 17, 1887
Creator: Duzan, Thomas H.

End Door For Cars

Description: Patent for a new end door on freight train cars including instructions and illustrations.
Date: July 10, 1900
Creator: Goodridge, Ethan A.

Folding Frame or Support for Mosquito Canopies.

Description: Patent for a new and improved frame for mosquito canopies. This design consists in "the combination, with the fixed standards and the forwardly-projecting bearings, of the braces pivoted to [the] bearings and united by cross-bar, the short arms pivoted to the upper ends of the fixed standards, and parallel side-bars connected by cross-bars to form a rectangular frame to support the canopy or curtain and pivoted intermediate, respectively, in the outer ends of the short arms and brace" (lines 22-31).
Date: March 25, 1890
Creator: Bailey, Alfred Holt