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Load-Indicating attachment for drilling-rigs

Description: Patent for the invention is to provide a character to be attached on a mounted on the derrick of a drilling rig and which will accurately indicate the cooperative weight of the load attached to the back of rig.
Date: May 16, 1916
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner

Description: Patent for a burner constructed to admit a force of steam or air is sent through the nozzle with assigning to the fuel in fuel reservoir. This invention is used to burn the heavy crude oil.
Date: July 4, 1916
Creator: Nicholson, John
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for a rotary boring drill that shears off material in a circular manner while drilling holes.
Date: December 19, 1916
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Patent for Disk Drill

Description: Patent for disk drill.
Date: November 7, 1916
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Detachable Drill-Bit.

Description: Patent for a new invention in drill-bit machine which can be detached from two different sides and very flexible for use.
Date: May 23, 1916
Creator: Sly, Charles
Partner: UNT Libraries Government Documents Department
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