UNT Libraries Government Documents Department - 434 Matching Results

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Adding Machine

Description: Patent for a machine that adds numbers together using "key actuated accumulating wheels" to reach the desired sum, including illustrations.
Date: September 22, 1913
Creator: Moody, Jason B.
Item Type: Refine your search to only Patent

De-Aerator

Description: Patent for improvements in de-aerators such as "forcing the water into the tank and spraying the same against the cylinder to cause the air and gases to separate from the water, and means for causing a vacuum in the upper end of the tank from which a suction pipe extends to allow ready escape of the separated air and gases" (lines 27-33) including illustrations and instructions.
Date: September 9, 1913
Creator: Strite, Frank S.
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

Aeroplane

Description: Patent for an aeroplane. The invention is designed to vary the curvature of the plane from front to rear and by this means the plane may be so adjusted as to reduce the "head resistance" to a minimum. The invention is also trying to find the suitable means for manipulating the adjustable sections whereby the movable sections. This invention aims to provide a machine that is strong, durable, efficient, and comparatively simple to construct.
Date: September 7, 1915
Creator: McCarroll, Frank
Item Type: Refine your search to only Patent

Aeroplane.

Description: Patent for an aeroplane with a propeller, which is "pivotally mounted and adjustable into different positions relative to the planes in order to produce either a rising movement or thereof or a driving movement in a horizontal or other plane" (lines 26-30).
Date: September 19, 1911
Creator: Andrae, Ernest H.
Item Type: Refine your search to only Patent

Air Pipe Coupling

Description: Patent for the air-pipe coupling. This invention relates to improvements in couplers for air other liquid pipes. The improvement is primarily designed for connecting the fluid pipes of an air brake system between the locomotive and coaches of railway trains.
Date: September 23, 1916
Creator: Bonelli, Liborio C.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Animal-Trap.

Description: Patent for a "self-setting" (line 16) trap with a "tilting platform" (line 17) including an illustration. The trap is designed to retain the animal and is made for easy removal of the animal.
Date: September 9, 1913
Creator: Trull, Harvey L.
Item Type: Refine your search to only Patent

Ant Trap.

Description: Patent for an in-ground ant trap that prevents the ants from escaping once caught in the trap, including instructions and illustrations
Date: September 12, 1911
Creator: Knox, Jessie Lonzo
Item Type: Refine your search to only Patent

Anti-Rail-Creeper Tie-Plate

Description: Patent for an improvement in Anti-Rail-Creeper Tie-Plates. This device was designed to prevent rails from wearing into the ties, "creeping longitudinally or moving laterally; also to prevent a rail from canting outwardly."
Date: September 29, 1914
Creator: McCombs, Oliver A.
Item Type: Refine your search to only Patent

Apparatus for Forming Gun Barrels.

Description: Patent for an apparatus for forming gun barrels that twists a sheet of metal into a tube for the gun barrel at a slight angle, while slightly flattening the tube into an oval shape. This method is supposed to create ribs within the gun barrel.
Date: September 10, 1917
Creator: Cole, William F.
Item Type: Refine your search to only Patent
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