UNT Libraries Government Documents Department - 56 Matching Results

Search Results

Results: 1 - 24 next

Process of Heating Oil-Retorts and Apparatus Therefor.

Description: Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date: August 16, 1921
Creator: Alexander, Clive M.
Item Type: Refine your search to only Patent

Game.

Description: Patent for a "a game of skill, rather than a game of chance" (lines 11-12), albeit with elements of a game of chance, in the style of a carnival game. The game consists of a motorized, revolving model airplane and a circular arrangement of nets (one for each player); the airplane drops candy into the winning player's net.
Date: August 9, 1921
Creator: Auffurth, Erwin, Jr. & Hjerpe, Erick
Item Type: Refine your search to only Patent

Rotary Drilling-Machine

Description: Patent for rotary well drilling platform improvements. The improvements are to control how the turntable moves without having to change the structure of the platform or having a second person watching while drilling.
Date: May 25, 1920
Creator: Black, Lee Jackson
Item Type: Refine your search to only Patent

Traveling Block.

Description: Patent for a traveling block construction. The invention resides in the combination and arrangement of parts and in the details of construction that provide a novel form of nut to be positioned on the ends of the supporting shaft of the block, the nuts being hollowed out to provide oil chambers for supplying the shaft with a lubricant.
Date: December 16, 1920
Creator: Boykin, Burwell Jr.
Item Type: Refine your search to only Patent

Well Boring Apparatus.

Description: Patent for a well-boring apparatus, an invention of a drilling apparatus using a form of power to transmit rotary movement to the string of a pipe. This invention is designed to lock the rotary elements against movement when the drill or pipe is moved or adjusted within its support.
Date: November 29, 1921
Creator: Boykin, Burwell, Jr.
Item Type: Refine your search to only Patent

Well-Drilling Rig.

Description: Patent, including illustrations, for "an improved well drilling rig or apparatus" which provides "a simple, efficient, and practical machine of this kind including revoluble means having a device operatively connected to a walking beam (from which a drilling tool is suspended), so that upon every complete revolution of the revoluble means, the drilling tool or bit will be given two direct drops, each alternating with the lifting movement of the drill bit" (page 1, lines 11-21).
Date: February 3, 1920
Creator: Bradford, Robert M.
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

Oil-Burner.

Description: Patent for oil burner adapted for using heavy oil (with wide flat flame) for distribution (wide flat flame with adjustable burner tip).
Date: April 26, 1921
Creator: Chadbourne, Vaughn, R.
Item Type: Refine your search to only Patent

Grain-Car.

Description: Patent for a grain car, with improved methods or loading and unloading the grain, as well as an easy method for converting the car to haul regular cargo.
Date: March 15, 1921
Creator: Dukes, Sandy
Item Type: Refine your search to only Patent

Trailer.

Description: Patent for trailers for attachment to trucks that is strong and compact and will not be distorted by the turning of the trailer relative to the truck.
Date: August 31, 1920
Creator: Feigelson, Alexander
Item Type: Refine your search to only Patent

Lakeview Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1926
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.19 -94.06

Terry Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1926
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.06 -93.94

Vidor Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Date: 1926
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.06 -94.06

Monolithic Wall.

Description: Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.
Date: February 7, 1922
Creator: Graham, Malcolm J
Item Type: Refine your search to only Patent
Back to Top of Screen