636 Matching Results

Search Results

Pump

Description: Patent for an improved pump for oil or water wells after completion. It is designed to remove sand and slush and keep it out of the valve cage and seat.
Date: May 8, 1917
Creator: Kutschbach, August E.
Partner: UNT Libraries Government Documents Department

Traction-Engine.

Description: Patent for traction engines used in farms that will make it easier to construct, make it less heavy, and cheaper to build.
Date: August 8, 1916
Creator: Roberts, Adrian J. & Wright, Wayne C., Sr.
Partner: UNT Libraries Government Documents Department

Process For Treating Crude Oil

Description: Patent for a process to treat crude oil.
Date: March 8, 1912
Creator: Barnickel, William S.
Partner: UNT Libraries Government Documents Department

Means for Raising Journal-Boxes.

Description: Patent for raising journal-boxes on a railroad car to easily renew the brasses or do other necessary tasks.
Date: June 8, 1916
Creator: Hathaway, Charles B. & Elliott, Claud B.
Partner: UNT Libraries Government Documents Department

Method of Treating Ores.

Description: Patent for "new and useful Improvements in methods of Treating Ores, of which the following is a specification. The present invention relates to a method of treating ores carrying gold and silver values in any form amenable to cyanid treatment or flotation" (lines 6-12).
Date: May 8, 1917
Creator: Friberger, Harry Louis
Partner: UNT Libraries Government Documents Department

Trace-Carrier.

Description: Patent for "a simple, inexpensive, and efficient trace-carrier" (line 12) "capable of readily receiving and of securely holding the chain of a trace close to the back-band and of preventing the inner trace-chains form becoming hooked into each other when two horses are employed at a plow or the like" (lines 13-18).
Date: June 8, 1897
Creator: Brown, Lewis E.
Partner: UNT Libraries Government Documents Department

Propeller Shaft Bearing.

Description: Patent for a new and improved propeller-shaft bearing. This design consists, "with the horizontal propeller-shaft, of the single central stationary thrust-block through which the shaft snugly extends, the opposite ends of said block being each flattened and provided with a circular groove concentric with the shaft, the pair of collars rigidly secured to the shaft at the opposite ends of said central block, the inner ends of said collars each having a groove corresponding with the grooves in the… more
Date: July 8, 1890
Creator: Gaffield, William Z.
Partner: UNT Libraries Government Documents Department

Improvement in Adjustable Hammers for Fire-Arms.

Description: Patent for "the particular construction and arrangement of such swiveling striker with its locking devices, and its combination with a double-barreled gun, whereby a single hammer may be employed for both barrels, the striker being capable of such adjustment as to bring it within the range of either nipple, or into an intermediate position between the two, for the prevention of accidents." (Lines 17-26) Includes instructions and illustrations.
Date: January 8, 1878
Creator: Toepperwein, Emil A. F.
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for improvement in churns by using an oblong box with a diamond-shaped dash fixed in the box. The churning is done by rapidly swing the box back and forth until butter is obtained. Illustration is included.
Date: October 8, 1872
Creator: Cottingham, Gideon W.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Chopper

Description: Patent for an improved Cotton Chopper. The device is horse drawn with adjustable wheels, plows and drivers seat (pg 2). Illustration Included.
Date: October 8, 1872
Creator: Matthews, Ebenezer T.
Partner: UNT Libraries Government Documents Department

Improvement in Hooks for Suspending Meat.

Description: Patent for an improved meat suspending device that will prevent ants and insects from reaching meat, including illustrations.
Date: April 8, 1879
Creator: Mason, Sanford
Partner: UNT Libraries Government Documents Department

Improvement in Baling-Presses.

Description: Patent for improvements to presses used for baling cotton and other materials, including illustrations.
Date: April 8, 1879
Creator: McGowen, Edmond Felder
Partner: UNT Libraries Government Documents Department

Manufacture of Hydraulic Cement and Lime.

Description: Patent for improvement in“the manufacture of hydraulic cement or lime form rotten or decomposed limestone” (lines 66-68).
Date: February 8, 1881
Creator: Dimelow, John
Partner: UNT Libraries Government Documents Department

Improved Water-Wheel.

Description: Patent for the improvement of the water-wheel using curved buckets over a spiral water passage to increase power and volume, including illustration.
Date: February 8, 1859
Creator: Littlepage, C. V.
Partner: UNT Libraries Government Documents Department

Improvement in Hot-Air, Steam, and Water-Gauge.

Description: Patent for improvements in hot air, harmonic steam, and water gauges: "In this invention several tubes pass through the boiler, some under and some above the water, through which currents of air are induced by the heat of the water or steam surrounding them" (lines 8-9).
Date: October 8, 1867
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Stalk-Cutter.

Description: Patent for a stalk cutter, which has a better width than previous stalk cutters.
Date: December 8, 1908
Creator: Stillwell, Frank R.
Partner: UNT Libraries Government Documents Department

Stalk-Cutter.

Description: Patent for a stalk cutter, which is easily adjustable and has a small number of parts.
Date: March 8, 1910
Creator: Davis, Walter W. & Jeffrey, Joseph H.
Partner: UNT Libraries Government Documents Department

Store - Fixture.

Description: Patent for a new and useful store fixture to "provide a support for bins or like receptacles and with improved mechanism for facilitating the withdrawal and weighing of the contents of said bins" (line 9 -13).
Date: March 8, 1898
Creator: Palm, Carl Segerrot
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for hydrocarbon-burner "adapted to be used in stoves, both heating and cooking" (lines 17-18). The device "may be attached to any stove" (lines 24-25). The "invention consists in the novel construction of the burner and particularly the cap" (lines 27-28) as well as "other novel features" (lines 29-30).
Date: September 8, 1903
Creator: George, Charles Hentz
Partner: UNT Libraries Government Documents Department

Stalk Cutter

Description: Patent for a stalk cutter. Illustrations included.
Date: November 8, 1904
Creator: Hinton, Horace F.
Partner: UNT Libraries Government Documents Department

Hydraulic Milk Cooler

Description: Patent for a hydraulic milk cooler. This invention is shrouded in coolant agent absorbing material that is hydraulically applied to keep dairy products cool. Illustrations included.
Date: December 8, 1903
Creator: Womble, Zachariah C.
Partner: UNT Libraries Government Documents Department

Stalk-Cutter.

Description: Patent for a stalk cutter, which can be attached to a wagon and cut three rows of stalks at the same time.
Date: February 8, 1910
Creator: Lemons, William R.
Partner: UNT Libraries Government Documents Department

Hydrant

Description: Patent for a hydrant. Illustrations included.
Date: October 8, 1912
Creator: Smith, Ollie F.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen