UNT Libraries Government Documents Department - 44 Matching Results

Search Results

Acetylene-Gas Generator

Description: Patent for an improved automatic acetylene-gas generator which allows the carbid vessel to recharge with carbid without permitting the escape of gas, and also to simplify the construction of the generator.
Date: March 19, 1901
Creator: Elkins, George L.

Adjustable Light Shade and Reflector.

Description: Patent for a new adjustable light shade and reflector with "a shade and a support therefor so provided with joints that the shade may be given any desired angle of reflection, relative to the light, and its relative distance from the light may be regulated" (lines 13-17), which includes illustrations and instructions.
Date: March 7, 1911
Creator: Spivey, Lillian Hale

Bed-Spring Tightener

Description: Patent for improvements in bed-spring tighteners, for adjusting the tension of a bed spring supporting wire as may be required. Illustration is included.
Date: July 5, 1910
Creator: Tlustos, Joseph J.


Description: Patent for an improvement in bicycle supports that can be attached to any bicycle and supports it at an upright or near-upright position.
Date: July 20, 1897
Creator: Norelius, John E.

Blower and Suction Device.

Description: Patent for a blower for a threshing machine that regulates the amount of air put out of the machine, and is both affordable and durable.
Date: March 26, 1907
Creator: Brown, Harry M. & Dahl, Harry M.

Boll-Weevil Extermination

Description: Patent for a device to exterminate boll-weevils on cotton. Illustrations included.
Date: April 12, 1910
Creator: Hebert, Paul E.

Book Carriage

Description: Patent for book carriage. This invention is designed to cradle open books and registrars. Illustration included.
Date: July 18, 1905
Creator: Marsh, Sidney Augustus & Gifford, George Chester


Description: Patent for "new and useful Improvements in Calf-Weaners." (line 5-6) including instructions and illustrations.
Date: January 9, 1906
Creator: Chandler, William E.


Description: Patent for an improved casing point with improvements in the strainer or screen frame for wells.
Date: December 9, 1902
Creator: Lindstrom, Conrad

Casing Point or Strainer.

Description: Patent for casing point or strainer "particularly adapted for use in oil and Artesian wells... which will permit free circulation of the liquid around the lower portion of the casing and free and easy entrance of the same into the casing, and yet will prevent entrance of sand and gravel into the casing" (Lines 12-22).
Date: May 13, 1902
Creator: Carlson, Andrew Edward.


Description: Patent for a clevis. This invention is designed to connect with gang plows allowing vertical and lateral movement. Illustration included.
Date: September 10, 1907
Creator: Barnett, George W.

Composition for Preserving Wood.

Description: Patent for a new and improved compound for “preserving all kinds of wood, in or above ground, but is especially adapted for preserving wood in salt water from the ravages of worms, barnacles and etc…” (Line 24-27) Ingredients, proportions of ingredients and mixing instructions are included. No illustration.
Date: July 12, 1881
Creator: Smith, Bat


Description: Patent for a condensing pump with a new type of valve mechanism.
Date: September 17, 1907
Creator: Leggett, Charles E.


Description: Patent for a conveyor bucket, which reduces waste of material.
Date: July 28, 1908
Creator: Barnett, George W.

Corn and Cotton Scraper.

Description: Patent for a new and improved corn and cotton scraper. This design "is to provide an improved corn and cotton scraper for turning or shovel plows for the cultivation of cotton, corn, and other plants, which is adapted to be attached to the beam of the plow without weakening the same by cutting or boring. The scraper is so arranged as to be adjusted either to the right or left, as desired, and up and down, on a central slotted foot-piece, by means of which the line of draft on the blade of the scraper is at all times the same as that on the beam of the plow" (lines 14-25).
Date: November 9, 1886
Creator: Adams, William Hinyard


Description: Patent for a machine that uses revolving brush cylinders, stationary brushes, and stripping boards to prepare cotton for ginning, including illustration.
Date: March 12, 1861
Creator: Eastham, A. S.

Device for Cutting Key Seats or the Like

Description: Patent for a device for cutting key seats or the like. This invention is an improvement in metal working tools as they relate to key seat cutters. Illustration included.
Date: November 12, 1907
Creator: Lindstrom, Conrad


Description: Patent for Plowing
Date: March 30, 1909
Creator: Barnett, George. W.


Description: Patent for a grading machine for use in building dikes and levees, which can run over obstacles without harming the machine's work.
Date: October 29, 1907
Creator: Barnett, George W.


Description: Patent for a vehicle attachment that allows the driver to detach the vehicle from the horse, should the horse become difficult to control. Illustrations included.
Date: April 6, 1909
Creator: Barnett, George W.

Insect Destroyer.

Description: Patent for a new and improved insect destroyer. This design consists "[i]n a poison-sprinkling machine, the combination, with the wheels mounted on stub-axles, with vertically-adjustable rotary sifters in the rear operated by the wheels, of an arched frame connected to said axles, said frame having thills secured thereto, and an arched yoke having its ends bent outward to form neck-yokes and secured to the outer ends of said thills, and draft-arms secured to the sides of said thills" (lines 59-68).
Date: January 24, 1888
Creator: Rives, John T.


Description: Patent for fumigation insect destroyer, in particular cotton boll weevils, but also for prairie dogs and other vermin.
Date: July 30, 1901
Creator: Koy, August


Description: Patent for a land roller that has rollers that can move independently of one another.
Date: November 30, 1909
Creator: Englund, Eric


Description: Patent for "a lock of novel construction wherein the keyholes at opposite sites of the door are placed out of alignment for preventing children, servants, and curious persons from looking or listening through the keyhole." (Lines 12-17) Includes instructions and illustrations.
Date: June 8, 1897
Creator: Oleson, Andrew J.