UNT Libraries Government Documents Department - 662 Matching Results

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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.

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

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

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 "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.

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.


Description: Patent for improvements in insecticide sprayers by enabling the sprayer to "continuous stream of liquid and that it may be placed in a vehicle and operated by means of the running-gear or carried by hand." (Lines 18-21) Illustration is included.
Date: April 15, 1902
Creator: Chandler, William E.

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 an oil-burner, “and it has for its object to provide a construction in which stream will be admitted to the oil or commingled therewith in sufficient quantity to aid combustion…” (lines 11-15) including illustrations.
Date: November 11, 1902
Creator: Chandler, William E.

Sand-Screen for Wells.

Description: Patent for a sand-screen for wells "to provide a simple and efficient device adapted for use on ordinary well-tubing, the same being capable of construction and repair at small cost, being readily attachable to and removable from the tubing, and having means for effectually excluding sand from the inlet end of the tubing, while permitting the free inflow of water therethrough" (lines 9-17).
Date: April 26, 1902
Creator: Jackson, Stokeley & Thompson, Neals

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 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.