50 Matching Results

Search Results

Results: 1 - 24 next

Automatic Pipe Coupling

Description: Patent for improvement on the methods of controlling oil flow.
Date: September 2, 1919
Creator: Childs, William L.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustrations included.
Date: June 2, 1908
Creator: Layne, Mahlon E. & Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustrations included.
Date: June 2, 1908
Creator: Layne, Mahlon E. & Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustrations included.
Date: June 2, 1908
Creator: Layne, Mahlon E. & Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Valve Remover.

Description: Patent for "an improvement in combination tools...adapted for use with internal combustion engines...mechanism is provided for assisting in valve removing." [lines 8-14]
Date: December 2, 1919
Creator: Ingram, George W.
Partner: UNT Libraries Government Documents Department

Line-Shaft Oiler

Description: Patent for improvements to line-shaft oilers to more easily oil bearings and prevent oil waste.
Date: April 2, 1918
Creator: Collins, Joseph P.
Partner: UNT Libraries Government Documents Department

Trowel.

Description: Patent for "new and useful improvements in Trowels." (lines 8-9) including instructions and illustrations.
Date: March 2, 1920
Creator: Parker, Barton J.
Partner: UNT Libraries Government Documents Department

Well-Boring Apparatus

Description: Patent for a new and improved well-boring apparatus that rotates a drill stem. The drill is then elevated when it is desired to unscrew the joints.
Date: September 2, 1919
Creator: Headrick, James O.
Partner: UNT Libraries Government Documents Department

Turning-Tool for Bale-Band Fasteners.

Description: Patent for a new and useful turning-tool for bale-band fasteners “which can be readily applied to and removed from the fastener, while at the same time providing positive means for exerting a powerful leverage upon the turning or winding element of the fastener to insure the taking up of a maximum amount of slack in a bale-band with a minimum movement.” (Lines 15-22.) Illustration is included
Date: April 2, 1901
Creator: Campbell, Douglas M.
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. This lock is designed for a coin fed lock that releases the key for the customer. Illustration included.
Date: June 2, 1908
Creator: Johnson, Randall
Partner: UNT Libraries Government Documents Department

Well Capping Device.

Description: Patent for "new and useful improvements in a well capping device." [lines 9-10]
Date: December 2, 1919
Creator: Thrift, Homer C.
Partner: UNT Libraries Government Documents Department

Drill Bit for Wells

Description: Patent for drill bit for drilling wells.
Date: January 2, 1917
Creator: Martin, Robert D.
Partner: UNT Libraries Government Documents Department

Mechanism for Operating Railway-Switches.

Description: Patent for a device "for automatically operating the switches of steam, electric, and street railways by the movement of a locomotive or car, thereby obviating the necessity of a brakeman, driver, motorman, or other person alighting from the car or train for such purpose" (lines 12-18).
Date: July 2, 1895
Creator: Moore, Albert R.
Partner: UNT Libraries Government Documents Department

Method of Regulating the Load on Rotary Drills.

Description: Patent for regulating the load on rotary drills, specifically those used in the oil and gas industry.
Date: November 2, 1920
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Tool-Joint

Description: Patent for tool joints to be used in detachable connection between lengths of pipe. Specifically used with drill pipe for drilling deep wells for oil, gas, or water.
Date: August 2, 1921
Creator: Thomas, Avery H.
Partner: UNT Libraries Government Documents Department

Oil Thief

Description: Patent for Oil Thief
Date: January 2, 1917
Creator: Kaul, Walter H.
Partner: UNT Libraries Government Documents Department

Tourist's Glasses.

Description: Patent for tourist's glasses which include a compass, a mirror, and binoculars which fold up into a compact case and includes adjustable lenses.
Date: February 2, 1909
Creator: Faerhrmann, John M.
Partner: UNT Libraries Government Documents Department

Notching Means for Wire-Winding Machines

Description: Patent for a notching means for wire winding machines for use in making well screens.
Date: May 2, 1911
Creator: Fisk, Lawnnedo
Partner: UNT Libraries Government Documents Department

Pattern and Match Plate

Description: Patent for a pattern and match plate for use in making car wheel chill segments more quickly and with less skilled labor.
Date: August 2, 1910
Creator: Voight, Philip & Kornmayer, Christian
Partner: UNT Libraries Government Documents Department

Railroad - Bed For Trestles.

Description: Patent for a new and useful railroad bed for trestles.
Date: November 2, 1897
Creator: Lee, Jacob Martin
Partner: UNT Libraries Government Documents Department

Non-Refillable Bottle.

Description: Patent for "a non-refillable bottle of simple, cheap, and improved construction, which can be quickly and easily sealed" (lines 13-15). The bottle can be emptied easily.
Date: February 2, 1897
Creator: Saunders, David R.
Partner: UNT Libraries Government Documents Department

Bale-Forming Press.

Description: Patent for a new and improved hay bale forming press that compresses hay or other similar material into a bale and secures it with wire or chords that are tied around the bale, including illustrations.
Date: November 2, 1915
Creator: Dudley, Andrew T.
Partner: UNT Libraries Government Documents Department

Single Trigger Mechanism For Double-Barrel Guns

Description: Patent for "new and useful improvement in Single Trigger Mechanism For Double-Barrel Guns (lines 5-7)."
Date: April 2, 1918
Creator: Lindsay, Charles W.
Partner: UNT Libraries Government Documents Department

Garment-Protector.

Description: Patent for an easily detachable garment protector "for use with trousers and overalls to protect them from wear and from becoming soiled while in use" (lines 10-13) including illustration.
Date: July 2, 1918
Creator: Spencer, William Levi
Partner: UNT Libraries Government Documents Department
Back to Top of Screen