UNT Libraries Government Documents Department - 15 Matching Results

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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: Refine your search to only Patent

Casing Spear

Description: Patent for casing spears. This invention is designed for pulling well tubes or casings that have broken off out of the well. Illustration included.
Date: August 25, 1908
Creator: Carroll, Monroe W. & Johnston, H. G.
Item Type: Refine your search to only Patent

Oil-Purifier

Description: Patent for "a construction wherein the oil may be quickly and economically heated to cause the impurities to separate from the oil" (lines 9-12).
Date: August 13, 1901
Creator: Carter, George Fitzhugh
Item Type: Refine your search to only Patent

Improvement in Weeding-Hoes.

Description: Patent for improvment of "the construction of weeding-hoes; and it consists in providing the same with an inclined cutting-edge, in such a way that they will enter and pass through the ground more easily than hoes constructed in the ordinary manner." (11-16)including instructions and illustrations.
Date: August 26, 1873
Creator: Crossland, Henry S.
Item Type: Refine your search to only Patent

Cotton Picker.

Description: Patent for a cotton picker with a power-driven vacuum for picking cotton and delivering it to a receptacle, including instructions and illustrations.
Date: August 18, 1914
Creator: Cunningham, Matthew G.
Item Type: Refine your search to only Patent

Stalk-Cutter.

Description: Patent for a stalk-cutter that will improve the effectiveness of stalk cutting by readily attaching to a plow or tilling machine, increasing the draft, including instructions and illustrations.
Date: August 14, 1917
Creator: Gable, Gus
Item Type: Refine your search to only Patent

Machine for Holding Wall-Paper.

Description: Patent for a wall-paper hanging machine. It has a frame with a handle, a paste-pot, pasting rollers, a paper-holding roll, a pivoted matching-frame, a cutter, and a way of putting the frame out of use.
Date: August 25, 1896
Creator: Gowan, Richard H. & Gowan, Louise E.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the combination of two draw-heads, in one of which is a spring-actuated jaw, which acts as a support for the coupling-pin until the jaw is pushed back into the coupling-head, and in the other a slotted spring-actuated jaw, which has its end so formed as to support the link in position ready to couple" (lines 11-18).
Date: August 7, 1883
Creator: Learmonth, James
Item Type: Refine your search to only Patent

Cultivator or Plow Standard.

Description: Patent for a cultivator or plow standard that improves "the standard which connects the shoe or landslide of a sweep-shovel or bull-tongue plow with the beam, so as to render ti fixed and secure at any point of adjustment" (lines 16-19).
Date: August 6, 1895
Creator: McLain, Jackson H.
Item Type: Refine your search to only Patent

Figure Toy.

Description: Patent for improvements in figure toys which "includes a base or support having figures mounted thereon the said figures being preferably in the form of men and having jointed legs connected with their bodies there being means provided for swinging the legs to cause the figures to have the appearance of running" (lines 13-19); includes illustration.
Date: August 21, 1917
Creator: Salter, Conway
Item Type: Refine your search to only Patent
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