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Stalk - Chopper.

Description: Patent for certain new and useful improvements in stalk choppers, including instructions and illustrations.
Date: July 26, 1898
Creator: Upshaw, Foy
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stationary Boiler.

Description: Patent for a new and useful improvements in stationary boilers for " marine, locomotive, and stationary purposes" (line 14- 15).
Date: January 4, 1898
Creator: McCallum, Daniel W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam-Engine Governor.

Description: Patent for a governor meant to be used with a double cylinder single-action steam engine of Devoissaud's invention. It has "a plate-like governor valve having suitable steam ports, is introduced within a vertical channel formed in the single head plat that closes one end of two steam cylinders, which are located in the same vertical plane on a bed-plate; said valve being directly attached to, and controlled by the governor, for the alternate introduction of steam directly through the cylinder h… more
Date: May 15, 1894
Creator: Devoissaud, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pressure Device.

Description: Patent for a new and improved compacter. This design "has relation to portable pressure-devices for use in casks, boxes, barrels, or other receptacles; and the invention consists in the construction and novel arrangement of the pointed dogs and cam-levers pivoted together, and in the combination therewith of a pivot-bolt having its nut secured by means of a locking-key" (lines 20-27).
Date: August 28, 1883
Creator: Moore, William Alexander
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pocket.

Description: Patent for a new and improved pouch. This design "is to provide for the use of ladies and others a sheet-metal pocket lined with soft material and provided with a pin by means of which it may be secured to the garments" (lines 7-11).
Date: June 16, 1885
Creator: Roberts, Lilly Forentha
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley Wheel

Description: Patent for a trolley wheel. The invention allows for the spreading of wear over contact blocks within the hub of the wheel. Illustration included
Date: October 29, 1912
Creator: Smith, Charley E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Can Spout.

Description: Patent for an oil can spout that is used as a connection to a dispensing can which serves as a spout and as a stopper. This spout is easily installed and removed when desired, this spout also prevents accidental removal while handling.
Date: September 9, 1913
Creator: Melvin, Joe D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire-Armor

Description: Patent for a metallic covering for rubber tires. Illustrations included.
Date: January 24, 1911
Creator: Willis, Horatio C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut Lock

Description: Patent for device locks a nut to the threaded portion of a bolt.
Date: January 2, 1917
Creator: Blackwelder, Charlie A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Reed Organ

Description: Patent for improved construction of reed boards that prevents dust from getting inside of the reeds.
Date: November 7, 1916
Creator: Preston, Percy
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lamp.

Description: Patent for a new and improved oil lamp. This design "relates to improvements in lamps in which the reservoir is beveled, adapting it for use in conjunction with a conical corrugated reflector; and the object of [the] improvement is to produce a lamp that will afford more and better light with a given amount of oil" (lines 7-13).
Date: July 24, 1883
Creator: Newman, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolly Wheel and Harp.

Description: Patent for trolley wheels, where "the transmission of the current through the wheel to the harp is maintained at the maximum and the necessary wear of the relatively movable parts reduced to a minimum" (lines 11-15).
Date: May 7, 1912
Creator: Neighbour, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Means for Ventilating Cars.

Description: Patent for a new and improved ventilator. This design is "first, to ventilate cars or other vehicles in such a manner that the air-currents may be formed within and directed to any part of the car and the admission of the air regulated in quantity; second, to change the direction of the air-currents formed within the car and regulate their escape" (lines 11-17). It consists in "the body of a vehicle having its walls provided with a suitable pipe-opening, of an air-receiving pipe provided with a… more
Date: January 6, 1891
Creator: Lazarus, Samuel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ladder.

Description: Patent for "a step-ladder adapted to travel upon a track and be moved to any desired place by the person using the ladder," (lines 16-18) including illustrations.
Date: November 3, 1891
Creator: Marshall, John Wesley; Bolton, R. B. & Marshall, W. H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Main Slide-Valve and Throttle-Valve for Steam-Engines.

Description: Patent for a simple main slide-valve and throttle-valve for steam-engines. The throttle valve is a flat plat and slides in a channel between the valve seat and the cylinder head. The twin engine cylinders are horizontally placed at the same height as the throttle valve. The main slide valve "affords a complete and superior valve mechanism for a quick speed steam engine" (lines 29-30).
Date: December 4, 1894
Creator: Devoissaud, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Journal-Box.

Description: Patent for a journal or wheel axle box that allows the wheel to rotate freely and reduces friction stopping the boxes from becoming hot.
Date: May 7, 1907
Creator: Neighbor, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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