UNT Libraries Government Documents Department - 389 Matching Results

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Description: Patent for a elevator with a safety feature to prevent the car from falling rapidly to the bottom of the shaft if a cable breaks.
Date: March 8, 1910
Creator: Dunlap, Henry William & Lumbley, Joseph Slater


Description: Patent for a trolley pole, which attaches easily to the wire and can be placed on it by the operator without him leaving his station on the trolley.
Date: March 16, 1909
Creator: Barr, George T., Sr.

Pneumatic Cotton-Handling Apparatus.

Description: Patent for a pneumatic cotton-handling apparatus in which it can “unloading cotton simultaneously from two wagons and for conveying the cotton from one wagon to a storage place and from the other wagon to feeding devices for supplying a battery of gins.” (Lines 14-18) Illustration is included.
Date: January 3, 1905
Creator: Lumpkin, Robert B.

Cigar-Box Clip.

Description: Patent for an inexpensive improvement to cigar box clips or clamps, that will make it easier for the box to be left open at a tilted angle, for the purpose of displaying the cigars or other objects inside.
Date: November 21, 1911
Creator: Holder, Andrew Thomas.


Description: Patent for a cultivator designed so that the plows can be conveniently set to any pitch as needed for deep or shallow plowing. Illustrations included.
Date: February 16, 1909
Creator: Miller, John T.


Description: Patent for an improved wooden stock for firearms which combines maximum lightness and strength, may be produced at reduced cost, and is adapted for convenient and advantageous manipulation for defensive purposes.
Date: March 27, 1906
Creator: Cole, William F.

Rubber Shoe Sole and Heel.

Description: Patent for a rubber shoe sole and heel which is adapted to be readily attached to the welt of a hand-sewed or Goodyear rubber shoe, including illustrations. The rubber shoe sole and heel is designed to bring the tread surface of the heel-piece in proper alignment with the tread-face of the sole-piece with a flange around it to facilitate connection to the welt of the shoe.
Date: February 13, 1906
Creator: Connor, Frank C.

Water Distilling Apparatus

Description: Patent for a water distilling apparatus. This invention is designed for condensing steam into distilled water. Additionally, the design is meant to separate empyreumatic gases from the water vapor during the distillation process. Illustration included.
Date: March 5, 1907
Creator: Lazenby, Robert S. & Lazenby, Henry C.


Description: Patent for improving the “’multiple cylinder rotary engine’“ (lines 9-10) through "controlling devices" (line 24) that are both automatic and manual and help engine pistons function more effectively. This patent builds upon earlier patents regarding motor design by the inventor, and will connect to a generator concurrently patented by the inventor. Detailed explanations and illustrations included.
Date: April 1, 1902
Creator: Walker, James C.

Saw-Sharpening Machine.

Description: Patent for improvements in "that class of saw-sharpening machines in which straight-edge-filing devices reciprocally movable are provided and in which ratchet mechanism for feeding the saw is also included" (lines 8-12) including illustrations.
Date: February 18, 1902
Creator: Phelps, Ruben P.


Description: Patent for a jar for thick semi-liquids such as mustard, which has a discharge spout in the side that allows the contents to be used without taking off the lid of the jar.
Date: August 17, 1909
Creator: Barr, George T., Sr.

Mattress-Making Machine.

Description: Patent for a mattress making machine that is more simple but equally-efficient as previous mattress making machines. This patent is an improvement to the inventor's previous patent, No. 679,809.
Date: February 27, 1906
Creator: White, Charles W.