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Indicator

Description: Patent for a vehicle indicator that indicates speed using a sound and light. "The driver may be warned when a certain speed is reached and so officers of the law and others may readily tell by glancing at the vehicle whether or not it is exceeding the speed limit."
Date: February 9, 1915
Creator: Hartman, Arthur R.
Partner: UNT Libraries Government Documents Department

Liquid-Indicator for Tanks.

Description: Patent for a liquid indicator to determine if the supply of oil has been depleted in the crank case of an automobile's internal combustion engine. Further purposes of this patent include the closing of an electrical circuit when the oil in the crank case becomes low in order to sound an audible noise that alerts the driver that more oil is needed. The patent intends to make the invention durable, easy to use, and inexpensive to manufacture.
Date: July 29, 1919
Creator: Pippin, William R.
Partner: UNT Libraries Government Documents Department

Windmill.

Description: Patent for an improved windmill which allows for the conversion of "a rotating motion into a reciprocatory motion" (line 15-16) which allows the windmill to be "manufactured and sold at a comparatively low rate" (line 41-43).
Date: February 8, 1921
Creator: Cryer, Henry M.
Partner: UNT Libraries Government Documents Department

Pipe-Wrench

Description: Patent for a self-adjustable pipe wrench that actively adapts to the material it is applied to by means of a moveable portion of the gripping jaw, with illustrations and instructions.
Date: May 28, 1918
Creator: Moore, Joseph D.
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for a device which effectively burns "kerosene, gasoline, naphtha or crude oil" (lines15-16) in a bunsen-burner fashion that is also easy to manufacture and cheap to maintain.
Date: July 20, 1915
Creator: Veach, Joshua H.
Partner: UNT Libraries Government Documents Department

Dubbing-Machine.

Description: Patent for improvements to the dubbing-machines with illustrations. Specifically, this improvement is aimed at "dressing ship timber" (line 15) in an effort to make the process easier and more efficient.
Date: June 10, 1919
Creator: Cobb, Dan L. & Moore, William W.
Partner: UNT Libraries Government Documents Department

Cotton-Cleaning Cultivator Attachment

Description: Patent for improvements to cotton-cleaning cultivators. The improved cultivator "is designed for cleaning cotton or similar crops so as to eliminate the necessity of hoeing cotton," (line 14-16) uproot unwanted surrounding plants, and level ridges formed while cultivating cotton.
Date: December 29, 1917
Creator: Hasting, Thomas
Partner: UNT Libraries Government Documents Department

Safety Car Net

Description: Patent for safety car-net to be attached to train freight-cars closing the space between adjacent cars and protecting train workers from falling.
Date: October 9, 1917
Creator: Matthews, Harrison C.
Partner: UNT Libraries Government Documents Department

Darby.

Description: Patent for a darby with detachable extensions for use versatility and easier transport.
Date: May 22, 1917
Creator: Plank, Samuel K.
Partner: UNT Libraries Government Documents Department

Display Rack

Description: Patent for store window display racks which can be easily removed and altered in appearance, allowing for more unique showings of commercial goods.
Date: July 14, 1914
Creator: Adamson, John Seldon
Partner: UNT Libraries Government Documents Department

Sifter

Description: Patent for a flour sifter with a double sieve and agitator that can be operated simultaneously. Both sieves are detachable for cleaning.
Date: August 10, 1915
Creator: Green, Shirley M.
Partner: UNT Libraries Government Documents Department

Explosive-Engine.

Description: Patent for "an improved engine of the internal combustion type, in which the explosion occurs between two oppositely moving pistons arranged in a cylinder and connected with independent crank shafts." (lines 13-17). The engine also includes a new type of valve gear with mechanically triggered valves and an apparatus for the forced water cooling of the engine.
Date: November 19, 1918
Creator: Cooper, Willis W.
Partner: UNT Libraries Government Documents Department

Card Holder

Description: Patent for improvements made to card holders, mostly for handbags and other cases much like luggage tags today. The patent describes and illustrates improved design and construction so they can be manufactured at an economic price.
Date: May 19, 1914
Creator: Grabendike, Clyde C.
Partner: UNT Libraries Government Documents Department

Clothes-Pin.

Description: Patent for the improvement of clothes pins "and has for an object to provided on their gripping faces with novel projections which contact in securely holding the clothes pin fast to operative position when applied." (lines 13-17)
Date: December 16, 1913
Creator: Mierzwik, John A.
Partner: UNT Libraries Government Documents Department

Apparatus for Burning Lime.

Description: Patent for improvements in apparatus for burning lime. To provide reliable and efficient means to extract all the heat units from fuel to be used by providing an increase draft and long blaze.
Date: July 18, 1916
Creator: Walsh, Patrick A. & Walsh, Edward J.
Partner: UNT Libraries Government Documents Department
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