UNT Libraries Government Documents Department - 113 Matching Results

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Improvement in Velocipede.

Description: Patent for improvement in velocipedes by using “two levers that are secured by a pivot-connection to pendent vibrating fulcra, on each side of the machine, and to the cranks of the driving-wheel; this would develop greater power than can be brought to bear by the placing of the feet of the driver directly on pedals on the crank-pins, or wrists.” (Lines 32-37) Illustration is included.
Date: June 15, 1869
Creator: Flint, Daniel P.
Item Type: Refine your search to only Patent

Improvement in Velocipede.

Description: Patent for an improved arrangement of velocipedes "to allow the use of a much larger driving-wheel than is compatible with the use of pedals that are placed directly on the crank pins or wrists, and to increase the power that can be applied to the propulsion of the machine by the feet of the driver, and the the speed at which is may be driven." (Lines 16-22) Includes instructions and illustrations.
Date: June 15, 1869
Creator: Flint, Daniel P.
Item Type: Refine your search to only Patent

Improvement in Hand-Vises.

Description: Patent for hand vise to use as a tool for mechanics to hold small articles, can be attached to bits or augers for gauging the depth of a hole bored, and also for countersinking such holes for screws.
Date: November 19, 1872
Creator: Overton, Thomas
Item Type: Refine your search to only Patent

Blind Stop.

Description: Patent for a new and improved blind-stop. This design consists "[i]n blind-stops, the rod, consisting of two parts connected by a thin piece of metal, in combination with a blind provided with a median open-slotted tapering screw and thumb-nut" (lines 49-53).
Date: December 25, 1888
Creator: Warren, Thomas
Item Type: Refine your search to only Patent

Axle Lubricator.

Description: Patent for a new and improved axle lubricator. This design consists in "[t]he combination, with the barrel or reservoir, its piston, and screw of the passage leading up from the top of the barrel-chamber, and the tube passing through the axle-collar and into a cavity of the axle arm" (lines 92-97).
Date: October 7, 1884
Creator: Keller, Henry
Item Type: Refine your search to only Patent

Blind Stops.

Description: Patent for a new and improved stop for blinds. This design "is to provide a convenient means by which blind-slats may be swung on their pivots, so as to open or close to the extent desired" (lines 8-11).
Date: June 5, 1883
Creator: Vandervoort, Charles Frederick
Item Type: Refine your search to only Patent

Latch and Lock Combined.

Description: Patent for a new and improved latch and lock. This design consists "[i]n a lock, the combination, with the bushing extending through and rigidly secured to the door and having a screw-thread on its inner end, of the lock-case having the circular screw-threaded aperture into which the threaded end of the bushing is screwed, the spring-actuated bolt and knob-spindle connected therewith, and the outer plate having the notch engaging with the lug on the case, and the downwardly projecting side-piec… more
Date: March 26, 1889
Creator: Overton, Thomas
Item Type: Refine your search to only Patent

Lock Stitch Ripper.

Description: Patent for a new and improved multi-tool. This design "relates to an improved combination tool or implement designed to be used in connection with sewing-machines, and combining in a convenient form several instruments which operators on sewing-machines should always have ready at hand" (lines 9-14).
Date: April 8, 1884
Creator: Wheeler, Elijah Harvey
Item Type: Refine your search to only Patent

Lantern.

Description: Patent for a lantern "in which a candle is used as a light-giving medium, and in which the chimney is tightly supported on the base of the lantern and around the candle, so that the light is fully protected against extinguishment by wind, and a cheap and convenient article is supplied" (lines 9-15). The lantern has a raised base with a candle socket in the middle, and the glass chimney is securely attached to the base. A frame and handle is attached to the base and top of the chimney.
Date: June 26, 1894
Creator: Jarmin, George W.
Item Type: Refine your search to only Patent

Lantern.

Description: Patent for a lantern related to a patent previously granted to the inventor (No. 522,062). This patent has a more simple design and improved means for keeping the chimney on the base of the lantern. The base has a pivoted main-bail that extends above the chimney, and the bail has hinged to a handle-bail.
Date: November 27, 1894
Creator: Jarmin, George W.
Item Type: Refine your search to only Patent

Lantern.

Description: Patent for a lantern that has an "exceedingly cheap construction, that is designed for use in high winds, as well as for domestic use, and which may be employed in connection with the ordinary oil and wick or candle" (lines 10-14).
Date: January 8, 1895
Creator: Seys, Cornelius D.
Item Type: Refine your search to only Patent

Lantern.

Description: Patent for an inexpensive, simple, and efficient lantern meant to be used outside in high winds, and can carry a candle or oil light.
Date: August 20, 1895
Creator: Seys, Cornelius D.
Item Type: Refine your search to only Patent

Lantern.

Description: Patent for a simple and inexpensive oil lantern made to operate in strong winds. It is "easily handled and manipulated for adjusting and fastening the several parts thereof properly in position" (lines 17-19).
Date: November 12, 1895
Creator: Holden, William G.
Item Type: Refine your search to only Patent

Soot-Preventing Composition.

Description: Patent for "an improved soot-preventing composition, which is used by being sprinkled over the coal and which furnished a more complete combustion of the carbon-particles carried along by the products of combustion, so that the deposit of soot into smoke-pipes, flues and chimneys is prevented from forming cinders and large clinkers." (Lines 9-17) Includes instructions and illustrations.
Date: July 17, 1894
Creator: Givens, Royall
Item Type: Refine your search to only Patent

Feed Water Heater.

Description: Patent for a new and improved feed-water heater. This design "is to provide a boiler with a feed-water heater which will serve as a spark-arrester, and which will also purify the water and prevent the formation of scale in the water, and whereby, also, the heating surface will be increased and fuel economized. The invention consists of a feed-water heater composed of a series of pipes attached to half-cylindrical heads, placed diagonally in the fire-box of the boiler, and connected with the wat… more
Date: November 9, 1886
Creator: Green, George
Item Type: Refine your search to only Patent
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