UNT Libraries Government Documents Department - 22 Matching Results

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Automatic drain-valve.

Description: Patent for an improved automatic drain valve used in air braking systems.
Date: April 21, 1914
Creator: Huddleston, William R.


Description: Patent for the invention of a new oil separator with all its descriptions.
Date: March 12, 1912
Creator: Latham, Reginald W.


Description: Patent for a "manually operated device, adapted for the manipulation of small plants, during the transplanting of the same, and the thinning out of closely growing plants" (lines 9-13). Includes instructions and illustrations.
Date: November 7, 1911
Creator: Thompson, James W.


Description: Patent for a water elevator that is composed of a band with buckets attached that goes around the structure in a circle delivering water.
Date: September 5, 1911
Creator: Thompson, James W. & Hathaway, James F.

Machine for Exterminating Insects.

Description: Patent for a machine for exterminating insects on plants by sucking them off the plants and then dropping them into a fire chamber in the machine.
Date: June 27, 1911
Creator: Hill, Leonidas C.

Plant Setter

Description: Patent for plant setter. Illustration included.
Date: October 25, 1910
Creator: Kleeberger, John J.


Description: Patent for a buggy shackle which "has a spring actuated coupling pin, and means for holding the pin in uncoupled position while the thills are being attached" (lines 10-13).
Date: August 2, 1910
Creator: Perry, Charles Franklin

Vehicle Wheel

Description: Patent for a vehicle wheel. Illustration included.
Date: October 26, 1909
Creator: Hartman, Emil

Corn-Flour and Process of Producing the Same.

Description: Patent for a new type of corn tortilla flour and the process for cooking the corn in lime water, producing a flour that keeps as long as wheat flour and eliminates the need for grinding before use.
Date: July 24, 1906
Creator: Wreford, Samuel Phippen & Besteiro, Martin

Protecting Shores.

Description: Patent for certain new and useful improvements in protections for river banks and coast washing, including instructions and illustrations.
Date: September 27, 1898
Creator: Brooks, Samuel W.

Invalid's Chair.

Description: Patent for a new and improved invalid's chair. This design "relates to an improvement in chairs which will adapt them to the use of invalids and children" (line 7-9).
Date: January 18, 1898
Creator: Yznaga, Juana G.


Description: Patent for a syringe that will inject or throw liquid and is piston-operated. "In its special organization the device is particularly adapted for males and treatment of diseases to which they are heir, and is light, neat, and compact, so as to be easily carried in the pocket" (lines 18-22).
Date: September 3, 1895
Creator: Putegnat, Joseph L.


Description: Patent for improvements to vehicle wheels including a detailed explanation and illustrations.
Date: November 28, 1882
Creator: Wolff, Arthur J. & Miltimore, Alonzo E.

Primer for Cannon.

Description: Patent for a new and improved primer for cannons. This design corrects the loosening of primers in their vent-holes by way of "a spring combined with the priming tube, which spring expands to the size of the vent" (para. 3). This eliminates blowouts and premature breakage.
Date: September 14, 1880
Creator: Rodman, John Black

Pendant for Stem-Winding Watches.

Description: Patent for a "pendant for a watch which can be turned in every direction and can be screwed into the watch-case" (lines 8-10), including instructions and illustrations.
Date: March 23, 1880
Creator: Rossetti, John Theodore

Improvement in Billiard-Cushions.

Description: Patent for improvement in billiard-cushions. Patent for removable billiard table cushion.
Date: July 10, 1877
Creator: Mansur, John S.

Improvement in Spike-Extractors.

Description: Patent for "an improvement in the class of nail-extractors in which a gripe or grapple formed of pendent springs or hinged jaws is employed." (lines 7-10) including instructions and illustrations.
Date: September 29, 1874
Creator: Devine, William ; William Devine, of Brownville, Texas ; Devine, W.

Improvement in Velocipedes

Description: Patent for the improvement of Velocipedes. The improvement consists of a new and novel combination and arrangement of propelling power, due to the weight of the body, which may be aided by the muscular force thereof and guiding apparatus.
Date: February 13, 1872
Creator: Maltby, Henry A.

Improvements in Velocipedes.

Description: Patent for the improvement of velocipedes. Improvements combine foot and band propelling apparatus with guiding apparatus.
Date: December 13, 1870
Creator: Maltby, Henry