UNT Libraries Government Documents Department - 34 Matching Results

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Car-Coupling.

Description: Patent for a simple and inexpensive car-coupling that improves on the pin-and-link car-couplings and "will be capable of coupling automatically and which may be readily uncoupled without going between cars" (lines 13-15). After the car has been separated, this coupling automatically puts its parts in position to be re-coupled. It also enables a "flying kick" to be transmitted to the car.
Date: November 24, 1896
Creator: Lee, Charles
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for improvements in car-couplings by providing "a coupler which will without any adjustment couple two cars whose draw-heads are of different heights.” (lines 17-19) Illustration is included.
Date: March 24, 1891
Creator: Thompson, James A. M.
Item Type: Refine your search to only Patent

Cell Tester

Description: Patent for a portable device that can test battery cells to determine if they are outputting the normal current, of if voltage has dropped.
Date: October 24, 1916
Creator: Luthy, Joseph O.
Item Type: Refine your search to only Patent

Clamp

Description: Patent for clamps used in framing and forming of concrete construction. The clamps are easily removed and reused eliminating the need for wooden framing used in the past.
Date: February 24, 1920
Creator: Ferguson, William D.
Item Type: Refine your search to only Patent

Condenser for Cotton-Presses.

Description: Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date: May 24, 1921
Creator: Taft, John A.
Item Type: Refine your search to only Patent

Electric Program-Clock.

Description: Patent for "certain new and useful Improvements in Electric Time-Reminder Clocks" (lines 5-7) which are "designed for service in furnishing notice to the user of acts to be performed at previously-specified times or periods" (lines 12-14).
Date: September 24, 1901
Creator: Dubinski, Benjamin
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Flash-Light

Description: Patent for flashlights to provide certain new and useful improvements designed and adapted for use in the handles of umbrellas, canes, and the like. The invention comprises a metallic tube or sleeve adapted to be inserted into a bore of an umbrella handle or sleeve having an enlargement in which a bulb carrier is mounted and over the end of the lens. The configuration will not interfere with the free use of the handle. There is a special construction of the circuit closer to the metallic sleev… more
Date: August 24, 1915
Creator: Matthies, Gustav & Rehberg Jr., August
Item Type: Refine your search to only Patent

Improvement in Hair-Triggers.

Description: Patent for improvement in fire-arms by arranging a hair-trigger on to a fire-arm that have a guard and a trigger without alternation of the interior mechanism of the gun-lock; it is not necessary for the application of a fly in the hammer to prevent the catching of the trigger in the rest-notch of the hammer. (Lines 11-19) Illustration is included.
Date: August 24, 1869
Creator: Schenck, F.
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Improvement in Ox-Bows.

Description: Patent for improvements to ox-bows so that they "shall not require bending, and which may be made in parts of the country where timber suitable for bending is scarce" (lines 9-12).
Date: May 24, 1870
Creator: Moore, Alfred L. D.
Item Type: Refine your search to only Patent

Lock

Description: Patent for a combination lock that is able to be changed at will due to its arrangement of parts.
Date: November 24, 1903
Creator: Katzenberger, Oscar
Item Type: Refine your search to only Patent

Plow.

Description: Patent for a sulky-plow with adjustable front and rear ground-wheels that control the depth at which the ground is plowed.
Date: December 24, 1895
Creator: Gupton, Kindred
Item Type: Refine your search to only Patent

Rain-Water Cut-Off.

Description: Patent for a rain water cut-off that can direct the flow of water to one of two pipes. It allows rain water carrying dust and debris from the gutter to be directed to a waste receptacle that can later be switched to direct clean running rain water to a second pipe to different receptacle to be collected.
Date: August 24, 1915
Creator: Crandall, Grover C. & Smith, Zay
Item Type: Refine your search to only Patent
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