UNT Libraries Government Documents Department - 126 Matching Results

Search Results

Results: 1 - 24 next

Shoemaker's Tool.

Description: Patent for a shoemaker's tool that allows the heel or lift to be easily removed without damaging the other parts of the shoe, with illustrations and instructions. Constructed so that heels of any size or shape can be removed without making adjustments to the tool.
Date: December 27, 1921
Creator: Berger, William & Blaschke, Charles
Item Type: Refine your search to only Patent

Car-Coupling

Description: Patent for improvements to railroad car couplings granted to Conrad H. Carpenter. Improvements simplify the coupling construction and allow the cars to be couples automatically.
Date: December 27, 1892
Creator: Carpenter, Conrad H.
Item Type: Refine your search to only Patent

Chuck.

Description: Patent for chucks that secure pipes, preventing movement when being cut or threaded, including illustrations.
Date: December 27, 1921
Creator: Castanie, William
Item Type: Refine your search to only Patent

Electric Sign.

Description: Patent for an electric lighted sign, as might be displayed in the window of a business. The sign consists of a box with an inner reflective coating, an interior light source (bulb), and front-facing circular cutouts with translucent coverings, the latter arranged to depict the sign text.
Date: December 27, 1921
Creator: Daughdrill, Kenneth W.
Item Type: Refine your search to only Patent

Process of Mining Sulfur.

Description: Patent for innovations in the underground fusion or Frasch process of mining sulfur, "which comprises conducting an appropriate fusing medium [such as hot water] into the formation containing the sulfur deposit and thereby melting the sulfur" (lines 91-95). Central to the innovations is the use of a compressed gas to "eliminate or largely reduce heat losses in porous rock and exhausted sulfur regions at the higher levels of the mine where the presence of the hot water is of no benefit so far as… more
Date: December 27, 1921
Creator: Drachenberg, August Toby
Item Type: Refine your search to only Patent

Addressing-Machine.

Description: Patent for an improved addressing machine, which will "paste, cut, and attach the slip simultaneously, or with one operation" (lines 26-27), with instructions and illustrations.
Date: December 27, 1887
Creator: Eberhardt, Theophilus Charles
Item Type: Refine your search to only Patent

Folding Ladder.

Description: Patent for a new and improved folding ladder. This design consists in "the combination, with main supporting-strips, of recessed auxiliary strips connected thereto, rounds formed with bows, sections which pass through the recesses of the auxiliary strips, and stops which bear against the main supporting strips, and strengthening strips, through which the bows of the rounds pass" (lines 77-84).
Date: December 27, 1887
Creator: Ethridge, William Spencer
Item Type: Refine your search to only Patent

Wagon-Body

Description: Patent for "new and useful improvements in wagon-bodies, having for its object simplicity and durability," (lines 10-12) including illustrations.
Date: December 27, 1887
Creator: Folsome, Charles F.
Item Type: Refine your search to only Patent

Pressure Regulator for Fermented Liquids.

Description: Patent for a new and improved pressure regulator for fermented liquids. This design "has for its object to provide an improved automatic hydraulic apparatus for supplying compressed air to kegs or casks containing fermented liquids, to replace the vacuum caused by drawing off a portion of the said liquid, and thus to maintain a uniform pressure in such vessels as long as any portion of their contents remain to be drawn therefrom" (lines 8-15).
Date: December 27, 1881
Creator: Freeman, William R.
Item Type: Refine your search to only Patent

Traction-Support.

Description: Patent for a traction board for placing under automobile wheels when stuck in sand or mud, and hanging device for carrying the boards when not in use.
Date: December 27, 1921
Creator: Gentry, Burney C.
Item Type: Refine your search to only Patent

Hydrocarbon-Burner for Stoves or Furnaces

Description: Patent for invention that relates to improvements in hydrocarbon-burner for stoves or furnaces or the like, the same being more especially intended for the consumption of crude oils... Among other things the invention has for its object the provision of an improved burner in which the liquid is vaporized within a confined space by causing it to splash upon a suitable obstacle and against the inner surface of a heated air-tube; to heat the air as it passes to the burner and to commingle the vapo… more
Date: December 27, 1901
Creator: Greene, George A.
Item Type: Refine your search to only Patent

Ecoregions of Texas

Description: A report on the the development of areas known as ecoregions in Texas with environmental information for each region.
Date: December 27, 2007
Creator: Griffiths, Glenn; Bryce, Sandy; Omernik, James & Rogers, Anne
Item Type: Refine your search to only Report
Back to Top of Screen