UNT Libraries Government Documents Department - 56 Matching Results

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Automatic Train-Stop.

Description: Patent for a more efficient automatic train stop with a mechanism that uses a connection with the block system used on railways to stop a train when it runs into "the tracks of the danger zone or upon the tracks of the block where the train should be stopped." (lines 16-18)
Date: April 20, 1915
Creator: Gramm, John A.
Item Type: Refine your search to only Patent

Air-Pump

Description: Patent for an automobile air pump that can be power driven from a car motor. This pump can be driven from the rear wheel of a car.
Date: July 15, 1915
Creator: Causey, Thomas S. & Kelley, Robert B.
Item Type: Refine your search to only Patent

Casing for Player-Pianos.

Description: Patent for "new and useful improvements" (lines 9-10) to the casing for player pianos. Improvements include simplifying numerous operations of the piano to be accomplished by one mechanism. Includes instructions and illustrations.
Date: November 23, 1915
Creator: Terry, Charles R. & Money, Benjamin F.
Item Type: Refine your search to only Patent

Automatic Weighing-Scale.

Description: Patent for a more accurate continuous weighing automatic scale of such bulk materials as grain, cotton seed, etc. with a mechanism for automatical control of both a main and an auxiliary receiver door.
Date: January 26, 1915
Creator: Williams, Andrew M.
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

Cotton-Boll Separator.

Description: Patent for "cotton boll threshing machines." "Obejct of the inventions is provide means for crushing, agitating, and opening the dry cotton bolls and removing the fiber of seed cotton,,, without breaking the fiber and lowering the grade of the staple."
Date: March 2, 1915
Creator: Patterson, Warren A.
Item Type: Refine your search to only Patent

Pump

Description: Patent for an improved version of a pump that includes two pistons in order to eliminate both intake and discharge valves.
Date: June 15, 1915
Creator: Sherman, J. M.
Item Type: Refine your search to only Patent

Automatic Stop Device for Printing-Presses.

Description: Patent for improvements to safety devices (springs, belt shift levers, guide members, rock shafts) that can be attached to a printing press to create automatic stops. These safety devices can be used to address possible accidents or emergencies by fastening down on a specific section of a printing press.
Date: March 2, 1915
Creator: Brown, John Walter R.
Item Type: Refine your search to only Patent

Writing-Machine.

Description: Patent for "new and useful Improvements in Writing-Machines, of which the following is a specification. Our invention relates to stenographic writing machines and particularly to a ribbon feed and reverse for such machines" (lines 6-11).
Date: November 30, 1915
Creator: Edwards, Alrah B. & Russell, Frank K.
Item Type: Refine your search to only Patent

Improvement to Elevator Signal Systems

Description: Patent for an improvement to an elevator in which “to provide an elevator signal system that will permit a party at any landing to indicate his desire to go up or down to the elevator operator by pressing one of two buttons” (lines 10-15). Instructions and illustration included.
Date: February 2, 1915
Creator: Johnson, Charles S.
Item Type: Refine your search to only Patent

Linter-Float-Driving Mechanism.

Description: Patent for the improvement of the linter-float-driving mechanism of float drives for cotton linters. The invention produces a positive driving mechanism for a float and removes the use of a belt tightening idler.
Date: May 18, 1915
Creator: Stephens, Louis K.
Item Type: Refine your search to only Patent

Vehicle-Step.

Description: Patent for a unit which covers the hub of a wheel to provide protection against people "stepping on or 'riding' the hub." (Line 15).
Date: August 10, 1915
Creator: Butcher, Joseph A.
Item Type: Refine your search to only Patent

Transmission Gear Shifting Device.

Description: Patent for a new transmission gear shifting device will "provide means for shifting the transmission parts of an automobile or other motor driven vehicle, without employing the usual hand levers and appliances, and to do so by means of electrically controlled operating mechanisms in combination with certain component parts." (Lines 12-18) including illustrations.
Date: January 5, 1915
Creator: De Witt, G.
Item Type: Refine your search to only Patent

Process of and Apparatus for Sizing or Classifying Comminuted Materials.

Description: Patent for improvements in process of and apparatus for sizing and classifying comminuted materials, according to the size of the particles of the material. It allows for particles to be classified according to size and discharged from the apparatus in different receptacles, with the particles in each receptacle being substantially the same size.
Date: June 1, 1915
Creator: Sutton, Henry M.
Item Type: Refine your search to only Patent
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