UNT Libraries Government Documents Department - 578 Matching Results

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Acetylene-Gas Generator.

Description: Patent for an acetylene gas generator that automatically feeds carbide into the water tank and cleans the feed valve.
Date: January 21, 1919
Creator: Furr, Oscar M.

Adding Machine.

Description: Patent for a new and improved adding machine using rotating discs.
Date: December 8, 1914
Creator: Druschke, Julius C.

Aerial Projectile

Description: Patent for an aerial projectile for use as an anti-infantry bomb, dropped by planes. Specifically, it is a fragmentation bomb hand dropped from planes that will not only deliver an explosive blast and the subsequent shrapnel, but deliver such a blast as to destroy itself so it cannot be reverse engineered.
Date: September 25, 1918
Creator: Bury, Thomas J. & Bury, Oney

Aeroplane.

Description: Patent for an improved rotary airplane engine patterned after the Gnome type with extra blades attached to the engine cylinders.
Date: March 25, 1913
Creator: Decker, Harry R.

Air Brush

Description: Patent for new and useful air brushes that are "intended for spraying paints, or colors, where it is desired to frequently change the color employed or to spray a combination of colors at the same time" (lines 16-20). Illustrations are included.
Date: May 30, 1916
Creator: Philibert, Joseph E.

Air-Lift for Elevating Liquids.

Description: Patent for a pneumatic lift that maintains the air pressure needed to effectively move liquid through a pipe.
Date: June 29, 1915
Creator: Andrews, Benjamin

Airship

Description: Patent for an airship of improved construction, which allows for the operator to change their positions to propel, raise, lower and steer the ship.
Date: November 10, 1914
Creator: John William Oman

Alarm Device.

Description: Patent for an alarm device "to be used in connection with a boiler and operatively connected with the steam whistle, whereby when the water falls below a certain level in the boiler the mechanism will automatically operate to blow the whistle" (lines 11-16). Includes instructions and illustrations.
Date: September 15, 1914
Creator: Priester, Joel E.

Animal-Trap

Description: Patent for an animal trap with a new kind of trigger fir closing the door to the trap.
Date: December 13, 1910
Creator: Hatchell, Benjamin

Anticreeper for Railway Rails.

Description: Patent for an anti-creeper with improved strength and serviceability "in the location and construction of the tie abutting portion" (lines 28-29).
Date: February 26, 1918
Creator: Weston, William S.

Apparatus for Hoisting Liquids from Wells.

Description: Patent for an “apparatus for raising liquid from wells by means of a compressed fluid, such as air or other vapors or gas“ (lines 9-12). The apparatus leaves liquid from the well under normal pressure during hoisting or pumping, and allows for varying amounts of liquid to be extracted.
Date: October 28, 1913
Creator: McCall, Duncan D.

Apparatus for Separating Liquids in Emulsion.

Description: Patent for improved apparatus for separating liquids in emulsion (relates to improved apparatus for separating one liquid from another) when found in emulsion and has especial reference to means for rapidly and effectually dehydrating petroleum oil emulsion.
Date: May 27, 1919
Creator: McKibben, Charles W.

Apparatus for the Conversion of Liquids, Fluids, and Oils.

Description: Patent for an apparatus for the conversion of liquids, fluids, and oils. This invention is to use high heat to change the original oils and fluids into oils and fluids of better quality and value.
Date: November 4, 1919
Creator: Adams, Joseph H.

Apparatus for Treating Hydrocarbons.

Description: Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.
Date: August 5, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.

Apparatus For Treating Petroleum.

Description: Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date: October 28, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.

Arc-Lamp

Description: Patent for an arc lamp which does not spark for use in headlights for trains and automobiles and in street lights.
Date: June 28, 1910
Creator: Anderson, Thomas J.

Armor For Pneumatic Tires.

Description: Patent for armor for pneumatic tires to prevent puncturing of the inner inflatable tube. To also provide anti-skidding lugs which connect to the flexible armor embodied in the tire casing.
Date: October 16, 1917
Creator: Chilton, William G. & Hobgood, John H.

Artificial Tooth

Description: Patent for an artificial tooth that is better able to anchor to the mouth plate.
Date: July 5, 1918
Creator: Dee, Thomas W.

Attachment for Bale-Forming Presses.

Description: Patent for an attachment for bale-forming presses consisting of needles, wire storage spools, and a "yieldable mechanism" allowing the wire to pass (line 17) including instructions and illustrations.
Date: February 26, 1918
Creator: Freeman, Lawrence K.

Attachment for Bath-Tubs.

Description: Patent for a removable and adjustable wash cloth attachment "in such a position within the tub that a person bathing may readily move the back and shoulders over the wash cloth or other cleaning element to effect a thorough cleansing thereof" (lines 14-18) including illustrations.
Date: December 28, 1915
Creator: Seib, Lee R.

Attachment for Cameras.

Description: Patent for an improved camera attachment for adding titles to film that prevents the film from being exposed to light except when the title is photographed, with illustrations.
Date: May 15, 1917
Creator: Bretz, George W.; Lowry, Claud A.; Wood, Oscar O.; Wade, J. H.; Pirtle, P. R.; Jones, F. E. et al.
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