UNT Libraries Government Documents Department - 23 Matching Results

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Bridle Rod

Description: Patent for a bridle rod that will be longitudinally adjustable for taking up the space that would be likely to occur between the switch points and the rails so that both of the switch points will, when the switch is operated, move to the proper position for presenting a smooth and even surface for the wheel flange of the railway rolling stock when the same pass over the switch.
Date: July 17, 1917
Creator: Mc Robertson
Item Type: Refine your search to only Patent

Radius-Rod.

Description: Patent for radius rod which will hold more effectively the front axle in alignment for steering purposes. This rod will not cause damage to the crank case, motor, or other connecting parts.
Date: June 19, 1917
Creator: Harpst, Frederick E.
Item Type: Refine your search to only Patent

Car-Replacer

Description: Patent for a railway car replacer, which is used to derail vehicles as well as for, "restoring derailed railway vehicles to the track."
Date: April 6, 1915
Creator: Martin, Daniel W.
Item Type: Refine your search to only Patent

Washboard

Description: Patent for washboard that "is made for automatically moving, step by step, a cake of soap inclosed in a housing" (lines 9-11) against the cloths being washed and is "operated by the pressure exerted through the rubbing action upon a rubbing board associated with the device" (lines 22-24).
Date: December 5, 1916
Creator: Durden, Perrey Milton
Item Type: Refine your search to only Patent

Timber-Hook.

Description: Patent for an improved timber hook that is capable of automatically adjusting itself "according to the various lengths of logs" (lines 18-19).
Date: May 26, 1914
Creator: Martin, Daniel W.
Item Type: Refine your search to only Patent

Pump.

Description: Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date: September 30, 1919
Creator: Graf, Sydney H.
Item Type: Refine your search to only Patent

Tractor.

Description: Patent is for a new and improved tractor design. Improvements to gear and axle design that enable the tractor to make narrower turns and to make power run from the engine to the gears without interfering with the steering mechanism.
Date: January 7, 1917
Creator: Hudgens, George Thomas
Item Type: Refine your search to only Patent

Driving-Box.

Description: Patent for improvements in locomotive driving-boxes aimed at eliminating the need to hold locomotives (trains) out of service for significant periods of time in order to repair solid driving boxes. Increased functionality is achieved by means of removable hub liner, deliverability of lubricant to various surfaces of the box and sections having slidable engagement with the hub face.
Date: December 31, 1918
Creator: Simmons, Arthur W.
Item Type: Refine your search to only Patent

Plow.

Description: Patent for a plow with "structure of improved strength and durability wherein means are provided for changing or adjusting the angularity of the plow stock" (lines 10-13) to make it "capable of plowing the soil deeper or shallower, as desired" (lines 16-17).
Date: October 22, 1918
Creator: Warren, John T.
Item Type: Refine your search to only Patent
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