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Wire-Line Spooler

Description: Patent for a machine designed to spool wire. It is meant for assisting in oil well drilling operations
Date: March 28, 1919
Creator: Robinson, Robert B.
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Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a cotton chopper that can either be used independently or as an attachment to cultivators.
Date: September 22, 1914
Creator: Jones, Charles F. & Jones, Erastus T.
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Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for improvements in cotton-choppers by using a crown-wheel attached to one of the ground-wheels of the chopper. When the ground wheels impart motion to the crown wheel, which in turn communicates motion to the pinions of the shaft. This shaft drives the two sprocket-wheels; the sprocket wheel that located in the rear portions of the crank-shaft imparts motion to the crank-shaft, which drives the vertical choppers. Illustration is included.
Date: May 12, 1891
Creator: Baggett, Neil Jefferson
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Partner: UNT Libraries Government Documents Department

Grapple.

Description: Patent for improving grapples for regaining tools, particularly those that can be hidden and submerged.
Date: April 26, 1921
Creator: Ginter, James. C.
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Partner: UNT Libraries Government Documents Department

Bailer.

Description: Patent for improved bailer for deep wells (e.g., oil wells), cheaper to use and manufacture, with a better delivery gate and improved method for triggering gate closure upon bailer withdrawal.
Date: July 26, 1921
Creator: Swartz, Ira
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Partner: UNT Libraries Government Documents Department

Attachment for Harvesters and Mowing Machines.

Description: Patent for a new and improved attachment for harvesters and mowers. This design is "to afford means whereby a mowing or reaping machine may be enabled easily to travel over soft or marshy ground; . . . the novelty consists in a shoe proper for each driving-wheel of the machine, each shoe made of a curved piece of metal . . . and provided with a long narrow slot running lengthwise of the shoe, . . . and so adapted that under each wheel one of the shoes shall be placed in such a manner that one … more
Date: June 28, 1887
Creator: Jones, Jeremiah C. & Marshall, Sumner B.
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Partner: UNT Libraries Government Documents Department

Automatic Gas-Release Packer.

Description: Patent for automatic gas release packer that uses constant pressure regulated by spring-controlled valves for better control when lifting oil out of wells.
Date: April 11, 1922
Creator: Cummings, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Balanced Piston Engine.

Description: Patent for a new and improved balanced-piston engine. This design "relates to that class of steam or other engines which are constructed with two pistons receiving the pressure in opposite directions, each connected with cranks set at opposite positions, whereby the strain occurs simultaneously in opposite directions upon the crank-shaft and balances the same within its bearings, and thus obviates great friction on the journals and thereby economizes power" (lines 7-15).
Date: February 15, 1881
Creator: Peebles, William D.
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Partner: UNT Libraries Government Documents Department

Churn.

Description: Patent for a churn with a construction which will prevent "access of objectionable matter to the churn-body" (lines 14-15) including instructions and illustrations.
Date: April 3, 1900
Creator: Hargrove, Kincheon W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boll-Weevil Exterminator.

Description: Patent for Boll-Weevil Exterminator. Aims to provide a novel and improved apparatus for gathering the boll weevil and squares by air suction to catch insects and pests.
Date: February 5, 1918
Creator: Harrison, James H.; Hall, Samuel E. & Gholson, John M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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