UNT Libraries Government Documents Department - 2,061 Matching Results

Search Results

Results: 1 - 24 next

Breakwater.

Description: Patent for improving seawalls to "preserve channels across the bars at the mouths of rivers, creeks, or canals and between bays and gulfs" (lines 6-8), including illustration.
Date: June 7, 1859
Creator: Armour, D. Hillen
Item Type: Refine your search to only Patent

Ant-Trap.

Description: Patent for an ant-trap using a portable receptacle with three different designs, each can be used as an individual trap or in any combinations to lure ants into the bottom of the receptacle without any means of escaping, including illustration.
Date: August 7, 1860
Creator: Cottingham, G. W. & Menefee, John S.
Item Type: Refine your search to only Patent

Improved Medicinal Preparation.

Description: Patent for improvements made the medicinal preparations generally used for poultices. The patented improvement involves the application of dried and powdered leaves, stalks, and joints of the cactus opuntia or cockinifer.
Date: April 7, 1868
Creator: Lege, Charles L.
Item Type: Refine your search to only Patent

Improvement in Cultivators.

Description: Patent for improvement in cultivators by making all the beams that had blades attached to them adjustable by a lever. A roller is designed for covering the seed and smoothing over the ground after the seeds are discharged by a slider which is operated by a crank-shaft near the end of the machine. A detachable revolving stalk-cutter can be used for cutting stalks on the ground by means of a suitable connector at the rear end of the machine. Illustration is included.
Date: September 7, 1869
Creator: Baker, Job McNamee
Item Type: Refine your search to only Patent

Improvement in Combined Sower, Planter, Cultivator, Scraper, and Gang-Plow.

Description: Patent for "a strong, simple, durable, and effective machine, which shall be so constructed and arranged that it may be readily adjusted for use as a gang plow, seed-sower, seed-planter, cultivator, and cotton-scrape, and which will do its work thoroughly and well in either capacity." Includes instructions and illustrations.
Date: June 7, 1870
Creator: Eddleman, James P.
Item Type: Refine your search to only Patent

Improvement in Gas-Furnaces and Forges.

Description: Patent for "an apparatus in which the gases from one or more forges, instead of passing off unconsumed into the atmosphere, enter a furnace and are burnt therein, thereby furnishing heat for the generation of steam in a boiler connected with said furnace, which steam is used to drive a fan that impels a blast into each forge, and is also used to propel an engine that operates a hammer, the exhaust from the engine being conducted to the tuyeres of the forges through pipes in which are placed red… more
Date: November 7, 1871
Creator: Morris, Joseph R.
Item Type: Refine your search to only Patent

Improvement in Screw-Taps.

Description: Patent for "a tool that shall combine the features of an expanding tap and reamer for reaming and tapping holes of different sizes" (lines 29-32) with illustrations and instructions.
Date: November 7, 1876
Creator: Melvin, Josiah Walter
Item Type: Refine your search to only Patent
Back to Top of Screen