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Level-Indicator.

Description: Patent for a new and improved level indicator, intended for use with airplanes and other flying machines to indicate the angle of ascent or descent, as well as when the machine is on a level keel. The level indicator is designed to have a water-tight casing and weatherproof joints and has brackets to secure it to the airplane.
Date: November 5, 1918
Creator: Westbrook, Homer S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Internal Pipe-Gripper

Description: Patent for "new and useful Improvements in Internal Pipe-Grippers" (lines 6-7) such as "an improved tool for removing pipes or casings from drilled wells (lines 14-15) including instructions and illustrations.
Date: August 5, 1913
Creator: McConnell, Scott R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump design that allows for the pump barrel to be securely locked in position in the well and easily released again when the parts need to be removed again.
Date: June 5, 1916
Creator: Ligon, Arthur Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pumping-Engine.

Description: Patent for a pumping engine that pumps air, water, oil, or other agents. It was designed to be used for air pumps on locomotives, inflating tires on automobiles, pumping water in steam operated machines, and other uses.
Date: June 5, 1917
Creator: Allison, Jesse H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pliers

Description: Patent for pliers. The invention relates to improvements of the pliers, primarily adapted for use by linemen in securing an electric conducting wire upon an insulator, splicing the wire or stretching the same. The construction is to produce a pair of pliers which are simple in construction, cheap to manufacture and which will perform the functions of several ordinary tools.
Date: October 5, 1915
Creator: Bryce, William D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stamp-Rack.

Description: Patent for a stamp rack that is designed specifically for bread stamps and carries a spool of stamps in convenient reach of the user or operator. This rack provides the operator with the flexibility of not having to hold the stamps in one hand while he places the stamp on the bread.
Date: August 5, 1913
Creator: Buhl, Augustin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fountain-Pen.

Description: Patent for a new and improved fountain pen that provides a “novel means for manipulating the compressible reservoir” (lines 13-14) of the pen and of which the contents "may readily be fed manually, to the ink-applying portion of the pen" (lines 10-11) including instructions and illustrations.
Date: March 5, 1912
Creator: Smith, Edwin Ruthven
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Motor.

Description: Patent for improvements in motors designed for motor-vehicle operation. Cheaper manufacture and less expensive fuel are included as claimed improvements.
Date: June 5, 1916
Creator: Edwards, Charles R.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gas-Meter-Valve Protector

Description: Patent for an attachment for gas or fluid meters that uses the sliding valve principle. Improvments upon valve covers so that they are more firmly attached.
Date: June 5, 1917
Creator: Emerson, Bennett
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gas-Meter Attachment.

Description: Patent for a gas meter attachment that work with sliding valves to operate the mechanism that measures the gas allowed to pass through the meter.
Date: June 5, 1917
Creator: Morris, Henry C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sectional Link.

Description: Patent for a sectional link that has been designed for the use on oil well drilling tools. It is designed to prevent bending of the link and from throwing it out of alignment which can damage the tools it is designed for.
Date: November 5, 1918
Creator: Thomson, John M.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety-Lamp.

Description: Patent for a safety lamp that prevents the explosion of combustible gases by adding a perforated dome and air chamber. The expansion spaces cut off the air supply and extinguish the lamp.
Date: June 5, 1917
Creator: Kincade, Elmer C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Slime Pulp Thickener.

Description: Patent for a "device for thickening slime or pulp, and particularly pertains to a structure similar to that disclosed in my co-pending application entitled "Slime pulp thickener," serial number 173,785, filed June 9, 1917, and of which the present application is a division" (lines 8-14). Additionally, described as a device that automatically releases thickened pulp when proper density is achieved.
Date: October 5, 1918
Creator: Allen, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Reversing Mechanism For Engines.

Description: Patent for improvements in "reversing mechanism for engines, where the operating lever may be supported in such a manner as to substantially eliminate lost motion, and where the reverse lever may be operated with greater convenience and facility." (lines 11-17).
Date: December 5, 1916
Creator: Wagner, Warren
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for an economical pipe wrench that is easily adjustable using a pivoting, movable jaw to fit pipes of varying sizes.
Date: May 5, 1914
Creator: Adams, Benjamin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stake Support and Brace.

Description: Patent for improvements in regarding "stake supports and braces for vehicle bodies" (lines 10-11) including an illustration. These improvements are specific to creating a combined "brace and supporting member" (line 41) to increase structural integrity.
Date: August 5, 1919
Creator: Robinson, Robert F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Thread-cutting Tool.

Description: Patent for a thread cutting tool developed to efficiently thread bolts, rods, and other parts without damaging the ends of the thread, includes illustrations.
Date: August 5, 1919
Creator: Newman, Malcolm A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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