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Wrench.

Description: Patent for wrench related device "for locking the gripping element after it is applied to the pipe or other pipe (lines 14-15)" including instructions and illustration.
Date: October 19, 1915
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Journal-Lubricator.

Description: Patent for improvements in lubricators by mounting a box, with a pair holes near its ends, on a bearing; with partitions across the box adjacent each holes, a pair of cord shape wicks and a depending flange, depressing the wicks to the bottom of the box. “When the box filled with liquid lubricant and the cover closed, the lower edge of the flange depresses the wicks, submerging them at the center of the box, and the wicks absorb oil at this point, the oil is lead thence by capillary attraction … more
Date: May 19, 1891
Creator: Hubbard, Benjamin V.
Partner: UNT Libraries Government Documents Department

Valve Structure for Oil-Wells.

Description: Patent for Valve Oil-Wells. This improved Valve Oil Well will increase efficiency and durability of device.
Date: September 19, 1919
Creator: McEvoy, John Philip
Partner: UNT Libraries Government Documents Department

Turbine-Motor

Description: Patent for improvements in the construction and use of turbine motors.
Date: February 19, 1918
Creator: Smithey, Walter Duke
Partner: UNT Libraries Government Documents Department

Well-Screen

Description: Patent for a well-screen which is used in oil or water wells for screening out sand from the inflowing fluids
Date: February 19, 1918
Creator: Rodrigo, Henry, Sr.
Partner: UNT Libraries Government Documents Department

Land Grader and Ditcher

Description: Patent for a land grader and ditcher that is durable and easy to use to ditch a large area and the scraping blade can be easily removed for cleaning, repairs or other reasons.
Date: September 19, 1905
Creator: Reed, Allen T.
Partner: UNT Libraries Government Documents Department

Vehicle-Axle

Description: Patent for improvements in axles "particularly to axles for buggies and other light vehicles." (Lines 12-13)
Date: February 19, 1907
Creator: Raines, Stephen H. & Schuessler, Amile O.
Partner: UNT Libraries Government Documents Department

Improvement In Machines For Filing Saws.

Description: Patent for improvements in the construction of machines for filing saws. Description of the construction and illustrations are attached.
Date: August 19, 1879
Creator: Basom, Ransford W.
Partner: UNT Libraries Government Documents Department

Train Signaling And Stopping Device.

Description: Patent for Train Signaling And Stopping Device improvements intended to be of low cost, simple, durable, and run on electricity.
Date: October 19, 1920
Creator: McGregor, Charles Thomas
Partner: UNT Libraries Government Documents Department

Traction-Wheel

Description: Patent for a traction wheel with a removable gripping surface which will prevent the wheel from slipping on roads or slick surfaces.
Date: January 19, 1915
Creator: Biela, Valentine
Partner: UNT Libraries Government Documents Department

Improvement In Churns

Description: Patent for improvements in the construction of a churn dasher. Descriptions and illustrations are attached
Date: August 19, 1879
Creator: Davis, Henry T.
Partner: UNT Libraries Government Documents Department

Motor-Driven Table

Description: Patent for "improvements in rotatable tables, such as are employed for the display of goods and for general serving purposes in hotels, restaurants and other places" (lines 12-16) including illustrations and instructions.
Date: August 19, 1913
Creator: Goodrich, Luman L., Jr.
Partner: UNT Libraries Government Documents Department

Switch-Stand.

Description: Patent for a switch stand that automatically switches to danger when unlocked and has independently rotating switch operating spindles and target spindles.
Date: October 19, 1915
Creator: Praetorius, Richard P.
Partner: UNT Libraries Government Documents Department

Telephone Attachment

Description: Patent for device that eliminates the waste of current from batteries by eliminating batteries entirely, as well as preventing interference with other telephones.
Date: September 19, 1916
Creator: Rainwater, Wiley W.
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut lock with a locking plate that can be used for multiple nuts, "particularly those used in securing the joints of railroad rails, frogs, switches, and crossings" (lines 10-12), with illustrations.
Date: June 19, 1906
Creator: Taylor, James T.
Partner: UNT Libraries Government Documents Department

Pliers.

Description: Patent for pliers that has one jaw fitted with ribs and the other with grooves. This allows the pliers to clamp onto and kink a wire in an improved way.
Date: December 19, 1893
Creator: Neuhaus, Frank C.
Partner: UNT Libraries Government Documents Department

Pump

Description: This patent is for pumps. This patent allows for the pump barrel to be readily disengaged from its normal positive engagement with the well tube for removal from said tube for repairs or any other reason.
Date: March 19, 1918
Creator: Perry, Sherman V.
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut-lock that holds the nut more securely in place than previous ones. Used primarily in railroad joints, but can be used in a variety of other applications.
Date: February 19, 1907
Creator: Baldwin, John H.
Partner: UNT Libraries Government Documents Department

Pump-Actuating Mechanism.

Description: Patent for improving measuring pumps "by providing a pump actuating means so constructed that a continuous movement of the crank in one direction will cause a reciprocation of the piston in both directions" (lines 29-33), with illustrations.
Date: April 19, 1921
Creator: Dean, Robert A.
Partner: UNT Libraries Government Documents Department

Mechanical Device for Concentrating Vision.

Description: Patent for an optical device proposed to replace lenses and goggles. Instead of lenses, this device has circular shutters (much like a camera) that forces direct vision and eliminates peripheral vision for concentration and focus.
Date: August 19, 1919
Creator: Compere, Dolphus E.
Partner: UNT Libraries Government Documents Department

Process of Tanning Hides and Skins

Description: Patent for rendering the process of tanning hides and skins "more expeditious and considerably cheaper &c., &c." (lines 12-13)
Date: February 19, 1918
Creator: Hall, Lewis T. & Tuttle, Frank
Partner: UNT Libraries Government Documents Department

Surface-Treating Machine.

Description: Patent for a surface treating machine that improves support, where the surface treating member is "driven by intermediate means from a motor displaced from the member, together with means of effecting adjustments of the surface treating member with relation to the work" (lines 13-15), with illustrations.
Date: October 19, 1920
Creator: Clarke, Alex A.
Partner: UNT Libraries Government Documents Department

Motor Limbering Stand

Description: Patent for a motor limbering stand. To provide an apparatus for starting and testing motors.
Date: February 19, 1918
Creator: Hill, James H.
Partner: UNT Libraries Government Documents Department
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