UNT Libraries Government Documents Department - 1,288 Matching Results

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Combination Well-Packer and Setting-Tool.

Description: Patent for a well packer and setting tool for the prevention of intermingling between oil and water in a well when used by itself or with other pipes. The invention allows for the packer to be set using the setting tool which can then be removed once the packer is in place.
Date: January 6, 1920
Creator: Abercrombie, Jamie & Dunman, Nesbit M.
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Boring-tool.

Description: Patent for a device "designed particularly for boring out cylinders of internal combustion engines" (lines 12–13), includes illustrations.
Date: August 19, 1919
Creator: Dedman, Henry W.
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Burner.

Description: Patent for an inexpensive and efficient burner for oil "with a maximum production of heat." (lines 14-15) including illustrations.
Date: November 18, 1919
Creator: Upton, Arthur L. & Immer, Samuel N.
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Belt-Buckle

Description: Patent for belt-buckles that design "to be worn around the waist, without injuring or mutilating the ends of the belt (lines 13-15)."
Date: May 21, 1918
Creator: Hall, Cyrus M.
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Coffee and Teapot.

Description: Patent for an improved coffee and teapot, in which the coffee or tea are boiled into the water and then strained out. Included instructions and illustrations.
Date: June 15, 1869
Creator: Heiss, Gregor
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Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination . . . of the laterally and vertically movable draw-head having the hook at its outer end, the keeper depending from the lower side of the car, and in which the draw-head is confined, the spring connected to one side of the draw-head and bearing thereon, and the arm pivoted in a slot in the draw-head, and having the head projecting in rear of the lip or shoulder of the hook, and the lever fulcrum… more
Date: July 20, 1886
Creator: Gorny, Jacob
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Funnel Attachment.

Description: Patent for a new and improved funnel attachment for pouring. This design consists in "[t]he combination of the supporting frame, a shaft journaled in the frame, a crank for rotating the shaft and carried by the frame, and a screw-conveyer carried by the shaft and having the smaller blades and the larger blade arranged above the [smaller] blades, and bearing against the funnel above the conducting tube thereof when the device is adjusted in the funnel" (lines 52-60).
Date: July 27, 1886
Creator: Charlton, James & Lynch, Hubbard Calhoon
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Coffee Pot.

Description: Patent for a new and improved coffee pot. This design consists in "tubes having their upper ends bent downward, a bridge or cross-piece connecting their upper ends, the suspending-rods depending from the bridge, the ring on the lower ends of the suspending-rods, the [other] ring, and the separate strainer held removably between the two said rings" (lines 84-90).
Date: September 21, 1886
Creator: Lawrence, Joseph Martin
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Box Car Door Fastener and Spark Arrester.

Description: Patent for a new and improved box-car door fastener and spark arrester. This design consists in "the door, the screws extending therefrom, the strips having the inclined slots received on the screws, and provided with the projections, the lever pivoted on the screws outside the strip, stops on the lever to engage the projections, and means--such as cord--for locking the lever" (lines 4-11).
Date: October 19, 1886
Creator: Lynch, Hubbard Calhoun
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Drill Bit

Description: Patent for improvements in drill bits, particularly in the application used in drilling in soft formations, such as clay, gumbo, or similar material. The purpose of the invention is to provide a way to prevent the sticking of material to the drill and drill collar while the drilling operation is being performed.
Date: February 14, 1922
Creator: Childs, William L.
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Attachment For Internal-Combustion Motors

Description: Patent for improvements in attachments for internal- combustion motors. The invention is about new and useful improvements to a specific attachment. The two stated objectives are to provide a device adapted for application to the intake pipe on an internal combustion motor and to provide a device which may be locked in a closed position, thereby preventing theft.
Date: March 29, 1921
Creator: Thomas, James Clarence
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Lubricator.

Description: Patent for new and improved lubricator. The invention is connected to lubricators used in earth boring drills for deep well drilling.
Date: March 29, 1921
Creator: Scott, Floyd L.
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Carbon Holder for Electric Arc Lamps

Description: Patent for improvements made to the carbon holder for electric arc lamps to improve efficiency in replacing the lamps. To improve upon the current design, the patent illustrates and describes a new level clutch system to allow movement, as opposed to the gravity-based design previously implemented.
Date: March 17, 1914
Creator: Lacy, Benjamin Burton & Elrod, Henry E.
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Cotton Picker.

Description: Patent for an improved cotton picker and cleaner that is cylindrical in design, with a drum that contains rows of spikes or teeth and which rotates by a connecting shaft that can be connected to a motor. Includes illustrations.
Date: August 13, 1912
Creator: Ball, William D. & Bradburn, Justin G.
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Bed

Description: Patent for a hospital bed. Provide a bed with separate adjustment support for the sick or people with a disability.
Date: December 28, 1920
Creator: Wallace, John. M
Item Type: Refine your search to only Patent
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