UNT Libraries Government Documents Department - 61 Matching Results

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Amalgamator.

Description: Patent for a new and improved amalgamator. This design "consists in placing in the bottoms of the chambers a number of iron balls or other suitable-shaped pieces of amalgamated iron, which have sufficient room to move freely among themselves, and then forcing up through the balls or pieces of iron, in contradistinction to forcing it down over their tops, the amalgamated ore and water, so as to cause the pieces of iron to vibrate, and thus to grind and break the pieces of quartz passing up throu… more
Date: September 12, 1882
Creator: Schmidt, Erich Franz & Streernwitz, William Henry
Item Type: Refine your search to only Patent

Animal-Trap.

Description: Patent for an animal trap "having a vestibule which will be operated by the weight go the animal entering the same to close the entrance-door and open an exit-door into a receiving compartment or cage" (line 13-18) including instructions and illustrations.
Date: September 12, 1905
Creator: Kirk, Robert L.
Item Type: Refine your search to only Patent

Ant Trap.

Description: Patent for an in-ground ant trap that prevents the ants from escaping once caught in the trap, including instructions and illustrations
Date: September 12, 1911
Creator: Knox, Jessie Lonzo
Item Type: Refine your search to only Patent

Beer Cooler.

Description: Patent for a new and improved beer cooler. This design "consists in the detailed construction and arrangement of a cooling-chamber or refrigerator which is adapted to be attached to the faucet of the keg or barrel containing the beverage" (lines 24-28).
Date: September 12, 1882
Creator: Newman, George Morton
Item Type: Refine your search to only Patent

Brake-Staff.

Description: Patent for a new type of brake staff for trains featuring a modular design allowing its form to be changed as necessary. This is useful for connecting train cars where regular brake staffs may get in the way. Including illustrations.
Date: September 12, 1905
Creator: Clark, James Thomas & Meyer, Henry L.
Item Type: Refine your search to only Patent

Brick Fire Box Construction.

Description: Patent for an improved fire box liner construction for oil fueled locomotives that is made from bricks in an interlocking design that does not require cement and will not shake apart from vibration. Includes illustrations.
Date: September 12, 1911
Creator: Blackmond, William C. & Stoy, Guy Everett
Item Type: Refine your search to only Patent

Churn.

Description: Patent for a churn that quickly makes butter and has an easily detachable churn body. The churn body sits sideways in a frame, and gears and a hand-operated crank that is built into the removable part of the frame churns the cream.
Date: September 12, 1893
Creator: Moon, Richard D.
Item Type: Refine your search to only Patent

Concrete Construction

Description: Patent for improved concrete construction methods for creating buildings made of or with concrete. These improvements include lighter walls with an air space that prevents dampening.
Date: September 12, 1913
Creator: Howard, Frances H.
Item Type: Refine your search to only Patent

Cotton-Chopper.

Description: Patent for a simple and inexpensive cotton chopper that is "adapted for simultaneously forming rows and cross-chopping the same, thus bringing plants, such as cotton, &c., to a stand, all in one operation, and thereby avoiding the necessity, as occurs in some cases of plowing or cultivating two ways in a field for the purpose of forming rows and then the stands or for any hand hoeing, as is also commonly done" (lines 12-19).
Date: September 12, 1893
Creator: Schofield, James Drommond
Item Type: Refine your search to only Patent

Cotton-Gin.

Description: Patent for a "new and useful Improvements in Cotton-Gins" (lines 4-5) with description and drawings. Improvements include a "lint-removing mechanism and designed...especially for reginning or delinting cotton-seed" (lines 13-15) and the abiity to stop the float and delinting process instantly.
Date: September 12, 1905
Creator: Wilson, Ralph E.
Item Type: Refine your search to only Patent

Earth-Auger.

Description: Patent for an earth-auger that allows a hole to "be bored in ordinary soil in much less time than with the ordinary auger. It readily bores in ground in which the ordinary auger will not bore - viz., dry, hard, and packed soil, gravel, and concrete beds."
Date: September 12, 1882
Creator: Porter, Thomas & Gillilland, George Washington
Item Type: Refine your search to only Patent

Fishing Device.

Description: Patent for fishing gear belt/straps that can be worn by fisherman to support fishing pole that it "may be temporarily held in fishing position with the hands free" (lines 11-12). Includes illustration of device in use.
Date: September 12, 1916
Creator: Drinkard, Kenton
Item Type: Refine your search to only Patent
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