UNT Libraries Government Documents Department - Browse


Railway Switch Lock.

Description: Patent for a new and improved railway-switch lock. This design "consists in a novel construction and arrangement of parts whereby an independent key is used to unlock the latch or bolt of the bolt-case" (lines 14-17).
Date: August 2, 1881
Creator: Angus, Alexander & Phillips, George
Item Type: Patent


Description: Patent for a new and useful plow, including instructions and illustrations.
Date: July 12, 1898
Creator: Ankarstolpe, Nels.
Item Type: Patent

Feed Water Heater.

Description: Patent for a new and improved feed water heater. This design "provide[s] a system of levers and a float which will automatically regulate the feed or supply of water to such heaters and lime-extractors . . . and further, that by securing a uniform supply of water the steam acts more equally upon the water, and thus secures a more uniform deposit of the lime" (lines 22-33). This allows for fewer accidents and less damage to the engine.
Date: August 10, 1880
Creator: Annear, John Henry
Item Type: Patent


Description: Patent for a brick machine that is "effective, yet simple and durable, machine especially adapted to receive bricks from a stiff-mud mill and re-press them and also to provide a means whereby the machine will be automatic in its action." (Lines 7-12) Illustrations included.
Date: May 15, 1900
Creator: Anthony, Russell
Item Type: Patent


Description: Patent for a new and useful improvement in monkey-wrenches to "provide an improved construction of the same whereby the clamping-jaws may be quickly and readily adjusted to the nut or tap which is to be engaged thereby" (line 19-23).
Date: December 28, 1897
Creator: Antony, Edwin Le Roy
Item Type: Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the combination, with a draw-head, of an L-shaped lever pivoted in the same and provided at its angle with a lug, which L-shaped lever has a coupling-pin suspended from the end of the long arm, and has its short arm passed into an aperture in the inner end of a bar sliding in the bottom of the draw-head, whereby when the lug is depressed the coupling-pin will be raised and the bar in the draw-head will push the link out from the end of the draw-head" (lines 7-17).
Date: June 12, 1883
Creator: Appell, Charles E.
Item Type: Patent

Washing Machine.

Description: Patent for a new and improved washing machine. This design utilizes a plunger to create a partial vacuum in the corresponding tub, whereupon water, when rushing to fill the partial vacuum, saturates the clothes, cleaning them.
Date: December 6, 1881
Creator: Appelt, August E.
Item Type: Patent


Description: Patent for improvement in fasteners that "can be attached to a collar-button for the purpose of holding any articles such as bow-ties, scarfs and neckties of wearing-apparel in position to make the articles easily attached or detached from the garment." (Lines 10-19) Illustration is included.
Date: March 26, 1901
Creator: Applebom, Ralph & Sidenbitel, Joe
Item Type: Patent

Attachment for Harness.

Description: Patent for a new and improved attachment for harnesses. This design "relates to attachments for harness; and it consists of a plate having a safety-hook, a back-band buckle, and guide-rings" (lines 20-23).
Date: August 30, 1881
Creator: Applewhite, David T.
Item Type: Patent

Cotton, Corn, and Pea Planter.

Description: Patent for a new and improved planter. This design consists in "[t]he combination, in a planter and fertilizer-distributer, of a revolving drum having openings communicating with a groove in its periphery for sowing fertilizer, and a seeding mechanism arranged above the drum, whereby the seeds will fall into the groove of the drum and be thereby conveyed to the furrow" (lines 3-9).
Date: August 18, 1885
Creator: Applewhite, David Thomas
Item Type: Patent

Vehicle Axle Box.

Description: Patent for a new and improved axle box for vehicles. This design consists of a novel combination of spindle, detachable and reversible bearing-sleeve, interposed elastic sleeves, hub, axle-box, and lubricator (lines 74-90).
Date: February 15, 1881
Creator: Applewhite, David Thomas
Item Type: Patent

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.
Item Type: Patent


Description: Patent for "certain new and useful improvements in baling-presses." (Lines 5-6) Illustrations are included.
Date: April 3, 1888
Creator: Archer, Roger W.
Item Type: Patent

Combination Tool.

Description: Patent for a new and improved multi-tool. This design "consists of a tool having a staple-holder, a driver, a chisel, a vise attachment, and a detachable driver adapted to be used with the vise to splice the ends of the wire in building wire fences, in which the tool is used for driving staples, cutting the wire, and splicing the wire, the several devices forming a combination-tool disposed for convenient use upon a stock or holder" (lines 9-17).
Date: March 3, 1885
Creator: Archer, Roger Williams
Item Type: Patent

Improvement in Resin Boxes and Coolers.

Description: Patent for improvement in receptacle for oils, molasses, or thick liquid that permit liquid to be surrounded by steam or water and changeable temperature.
Date: May 13, 1873
Creator: Archibald K. Lee
Item Type: Patent

Improvement in Scrapers.

Description: Patent for a horse-drawn excavator that includes a scoop attached to wheels.
Date: June 16, 1874
Creator: Arcos, Ignacio
Item Type: Patent


Description: Patent for improving seawalls to "preserve channels across the bars at the mouths of rivers, creeks, or canals and between bays and gulfs" (lines 6-8), including illustration.
Date: June 7, 1859
Creator: Armour, D. Hillen
Item Type: Patent

Chair for Railroad Rails.

Description: Patent for a new and improved chair for railroad rails. This design utilizes a metal key and wrought-iron straps so that "the rails are held firmly both laterally and vertically, so that they are kept level at the joint and any sagging is prevented. At the same time endwise movement by expansion or contraction is not hindered, and the chairs being fastened to the ties, the expansion and contraction will take place entirely between the several chairs" (lines 49-57).
Date: February 20, 1883
Creator: Armstrong, Charles & Abbott, George
Item Type: Patent


Description: Patent for a combination tool that is "adapted without changing any of its parts to operate as a nut and pipe wrench, pliers, hammer, screw-driver, and nail-extractor." (Lines 12-15) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Armstrong, Charles J.
Item Type: Patent


Description: Patent for an inexpensive, efficient, and durable fruit-picker that picks small fruit and does not bruise them. The picker is easily operated.
Date: March 6, 1894
Creator: Armstrong, George W.
Item Type: Patent