UNT Libraries Government Documents Department - 164 Matching Results

Search Results

prev Results: 61 - 84 next

Gas Generating System.

Description: Patent for a gas generating system that can actuate any ordinary gasoline engine and will allow the gas to be compressed before entering the engine cylinders. Includes instructions and illustrations.
Date: September 22, 1914
Creator: Deering, Uriah H.
Item Type: Refine your search to only Patent

Gas-Vent for Molds.

Description: Patent for a gas-vent for molds. Its object is "to provide a simple and cheap construction whereby free escape of the gas or air is permitted form the mold into which molten metals...are to be poured for the purpose of forming a casting" (lines 12-18). Construction of the vent may vary.
Date: February 2, 1897
Creator: Streetman, Willard
Item Type: Refine your search to only Patent

Gate-Latch.

Description: Patent for a gate latch "comprising pivoted arms having hooked front ends which are normally spread out" (lines 85-87), including illustrations.
Date: January 9, 1906
Creator: Drennan, John S.
Item Type: Refine your search to only Patent

Headlight.

Description: Patent for Locomotive-headlights, "and has for its principal object to so construct the lamp and its casing as to permit of the lighting or adjusting the lamp-blaze from the back of the headlight box…” (lines 8-13) including illustrations.
Date: December 2, 1902
Creator: Stanton, James Robertson
Item Type: Refine your search to only Patent

Hydraulic Pump.

Description: Patent for a pump that operates "a pump-rod designed especially to dispense with valves, valve-cages, or other impedimenta to the flow of liquid" (lines 40-44). It is capable of pumping liquids to elevated heights.
Date: December 15, 1896
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Hydraulic Pump

Description: Patent for a hydraulic pump with "means for automatically supplying water to the pressure-pipe while the pump is working to replenish waste or leakage." (Lines 18-20) Includes instructions or illustrations.
Date: December 15, 1896
Creator: Clarkson, William
Item Type: Refine your search to only Patent

Improvement in Bale-Ties.

Description: Patent for improvement in bale-ties. "This invention relates to that class of ties or hoops for cotton-bales, in which the band of hoop iron is provided with rigid hooks, studs, or buttons, and matching perforations as means for adjustably uniting the ends."
Date: November 30, 1875
Creator: Powell, Amos N.
Item Type: Refine your search to only Patent

Improvement in Car-Brakes.

Description: Patent for "a means for the automatic application of brakes to the cars of a railway-train; and it consists in a loosely-moving draw-bar attached to the car by means of bolts passing through a central longitudinal slot, and having its sides wrought into two rack-bars, which mesh with pinions upon two windlass-shafts; which arrangement, when the locomotive is "slowed," causes the impact of the cars to drive up the draw-bars and wind up cords upon the windlass-shafts, which communicated with and … more
Date: June 1, 1875
Creator: Kirtley, Fielding L.
Item Type: Refine your search to only Patent

Improvement in Combined Plow-Carrier and Cotton-Chopper.

Description: Patent for improvement in combined plow-carrier and cotton-chopper by “combining with a plow-carrier, a revolving wheel, placed at right angles with the line of direction of the plows, and provided with a number of horizontal cutters at the ends of its spokes, for the purpose of cutting square across the ridges of earth cast up by the plows, in which cotton seed is sown, and dividing the ridges into isolated hills, each containing one or more cotton-plants.” (Lines 23-29) Illustration is incl… more
Date: May 18, 1869
Creator: Kirtley, Fielding L.
Item Type: Refine your search to only Patent

Improvement in Horse-Powers.

Description: Patent for a "means for driving cotton-gins and other light machinery by animal power; and it relates to that form of animal-power apparatus termed the vertical tread-wheel." (Lines 6-10) Includes instructions and illustrations.
Date: May 12, 1874
Creator: Powell, James M.
Item Type: Refine your search to only Patent

Improvement in Rotary Engines.

Description: Patent for Improvement in Rotary Engines concerning "the arms of the frame" (lines 9), which are powered by steam and "steam valves with arms" (line 17) including a detailed explanation and description of the illustration.
Date: February 5, 1878
Creator: Evens, George
Item Type: Refine your search to only Patent

Improvement in Sulky-Plows.

Description: Patent for an invention of a new and improved sulky-plow, "which shall be so constructed that it may be readily adjusted to cause the plow to take or leave land, and to work at any desired depth in the ground, which will enable the plow to be readily raised from the ground" (lines 13-17). Illustrations included.
Date: February 20, 1877
Creator: Riddle, William N.
Item Type: Refine your search to only Patent
Back to Top of Screen