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Lock Nut Construction

Description: Patent for “a lock-nut construction that can be applied and easily taken apart without injury and provide a device for locking a rotary cutting disk in place and prevent accidental removal from its bearing.” (lines 14-19) including instructions and illustrations.
Date: unknown
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

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

Well-Reamer

Description: Patent for an improved well-reamer with a more stable and supported cutters to straighten or increase the size of the hole with less damage from wear.
Date: May 18, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for drilling well apparatuses that approximate the weight imposed so that the weight can be regulated to improve efficiency, including instructions and illustrations.
Date: April 28, 1914
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Transverse-Cutter Rotary Drill

Description: Patent for a rotary boring drill whose head is made of multiple parts, allowing for a larger cutter than a single piece head. The mechanism that holds the multiple parts of the head together also prevents the cross-shaft from rotating with the head.
Date: January 12, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a device for mounting for rotary cutting disks. It will be a safer way to work with well drilling operations
Date: August 25, 1914
Creator: Hughes, Howard R.
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

Rotary Disk Drill

Description: Patent for rotary disk drills with an illustration included. This drill is meant to be "efficient and strong and so arranged as to be inexpensive of manufacture and easily kept in serviceable condition." (lines 18-23)
Date: May 29, 1917
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for an improvement in rotary boring drill that will prevent head from wobbling sideways in the hole being drilled.
Date: March 7, 1916
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Rotary-Disk Boring-Drill.

Description: Patent for improvements to rotary disk boring drills, including a "novel means for securely locking in the head the spindles on which the cutters are rotatably mounted."
Date: June 15, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Reaming-Drill.

Description: Patent for a reaming drill that is interchangeable between the upper and lower head and best used for materials such as gumbo, shale, and clay. Illustrations and instructions included.
Date: March 28, 1916
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Rotary Boring-Drill

Description: Patent for a simply constructed rotary drill suitable for drilling wells in soft formations such as shale.
Date: January 5, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Reamer

Description: Patent for the improvement of vertical reamers used in the drilling of wells. Intended to provide a multi-bladed reamer that expands holes more evenly with less parts than previous models.
Date: April 20, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Rotary Drill.

Description: Patent for a rotary drill that more effectively dislodges disintegrated material from the drill's cutting device during well-drilling.
Date: June 15, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Single-Disk Drill

Description: Patent for a single disk drill for drilling into soft materials ("gumbo, shale, hard clay, and soft rock") without clogging.
Date: January 5, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department
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