UNT Libraries Government Documents Department - 3,404 Matching Results

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Car-Coupling.

Description: Patent for a car coupling that automatically couples cars so people do not need to go between cars. This invention is meant to "provide an improved car coupler of the above character, which shall be simple and economical in construction and efficient in operation" (lines 21-24).
Date: March 6, 1894
Creator: Lawhon, David West
Item Type: Refine your search to only Patent

Grain-Drill.

Description: Patent for an improved grain drill that is simpler and more efficient than other grain drills. It consists of a disk with a central hub, an annular recess around the hub, segmented washers, radial slots, radial seed apertures, gravity slides, and stems on the slides.
Date: June 6, 1893
Creator: Lawrence, William G.
Item Type: Refine your search to only Patent

Oat-Cutter.

Description: Patent for a type of straw and hay cutter designed especially for cutting sheaf oats that is easily operated, including illustrations.
Date: November 10, 1891
Creator: Laws, John Aderson
Item Type: Refine your search to only Patent

Baby-Walker.

Description: Patent for improvements in baby-walkers by using the combination of a circular base, standards, a rim connecting the tops of the standards, a rotating plate having runners on its lower side engaged with the rim, a guide-flange, a rigid central shaft having a ratchet-wheel, and a pawl for engaging the ratchet. Illustration is included.
Date: April 28, 1891
Creator: Lawson, Henry William
Item Type: Refine your search to only Patent

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

Stock-Car

Description: Patent for an improvement on stock cars to "enable the weight of the water-laden troughs to be overcome and the troughs elevated in position simultaneously through the entire length of the car; second, to regulate the movement of the water-troughs" (lines 16-20).
Date: December 23, 1890
Creator: Lazarus, Samuel
Item Type: Refine your search to only Patent

Sweeping Machine.

Description: Patent for a new and improved sweeping machine. This design consists, "with the frame mounted upon supporting-wheels at its front and rear ends and having the rotating rear axle, of the vertically-adjustable revolving brush receiving motion from the said axle, and a dust pan or receptacle having laterally extending pins or plugs, whereby it is supported detachably upon the frame of the machine in front of the revolving brush" (lines 13-21).
Date: July 1, 1890
Creator: Le Tellier, John H.
Item Type: Refine your search to only Patent

Screen-Operating Mechanism for WIndow-Screens.

Description: Patent for a screen-operating mechanism for window-screens. It is meant to hide the mechanism from view and to improve the way the screen is raised and lowered. It also moves the "upper sash in one direction moves the screen in the reverse direction, the construction being such that the motion-transmitting gearing does not in any manner interfere with the use of ordinary window-sashes balanced by weights or springs, or the use of sashes of which the upper one only is movable" (lines 24-30).
Date: December 17, 1895
Creator: Leary, Frank S.
Item Type: Refine your search to only Patent

Listing-Plow

Description: Patent for a new listing plow that is "cheap and simple construction and readily adjustable to form wide or narrow beds and to be used in bedding of cotton or corn" (lines 11-13).
Date: August 2, 1892
Creator: Leatherwood, Calvin Nathaniel
Item Type: Refine your search to only Patent

Floor - Set.

Description: Patent for a new and useful improvements in floor sets. This invention "is designed for use in laying floors or putting up sidings and ceilings" (line 13-14).
Date: January 4, 1898
Creator: Leavens, Charles William
Item Type: Refine your search to only Patent

Cotton Chopper and Cultivator

Description: Patent for a simplified and "improved cotton-chopping mechanism which may be readily applied to a straddle-row cultivator of ordinary construction, whereby the cotton may be plowed and chopped at one operation" (lines 10-14). It also allows for the chopping mechanism to be adjusted to regulate the chopping operation and provides better support of the mechanism while operating.
Date: May 9, 1899
Creator: Ledbetter,William H.
Item Type: Refine your search to only Patent

Clothes-Pounder.

Description: Patent for a clothes pounder used in washing clothes. It is a pyramidal vessel that is open in the bottom and has perforations on the top of the inside of the vessel, a cap covering the top of the pyramid with an air-hole, a sleeve that goes through the top of the vessel and through the cap, a handle in the upper portion of the sleeve, a diaphragm with perforations in the base of the vessel, a rectangular box secured beneath the diaphragm, and inclined tubes open at both ends of the angles of t… more
Date: January 14, 1896
Creator: Leddy, Owen
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for a simple and inexpensive car-coupling that improves on the pin-and-link car-couplings and "will be capable of coupling automatically and which may be readily uncoupled without going between cars" (lines 13-15). After the car has been separated, this coupling automatically puts its parts in position to be re-coupled. It also enables a "flying kick" to be transmitted to the car.
Date: November 24, 1896
Creator: Lee, Charles
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for "automatic pin-and-link car-couplings in which a sliding spring-actuated block is employed for supporting the coupling-pin in an elevated position preparatory to coupling." (Lines 8-12) Includes instructions and illustrations.
Date: May 25, 1897
Creator: Lee, Charles
Item Type: Refine your search to only Patent

Horse-Check.

Description: Patent for an automatic that prevents horses from starting off when left unattended. It detects when the vehicle begins moving and pulls back on the reins.
Date: July 21, 1896
Creator: Lee, Charles
Item Type: Refine your search to only Patent

Combined Plow and Harrow.

Description: Patent for a simple, inexpensive, and effective combined plow and harrow that can be used as a plow and harrow at the same time, or the operator can detach one and only use the other. The machine can be adjusted to better suit different types of soil.
Date: April 18, 1893
Creator: Lee, George W.
Item Type: Refine your search to only Patent

Automatic Danger-Signal for Railroads.

Description: Patent for a "device for indicating at railroad crossings and other points, the approach or departure of trains within any given distance of such crossing or with relation to any point where persons might come into dangerous proximity to the train if they were left unadvised by some such signal as this." (Lines 19-26) Includes instructions and illustrations.
Date: February 26, 1895
Creator: Lee, Horatio Grooms; White, John P.; Ball, Thomas & White, James L.
Item Type: Refine your search to only Patent

Cattle-Guard for Railroads.

Description: Patent for an improved and inexpensive railroad cattle-guard that "can be readily secured to the road-bed of a railroad, as well as easily removed therefrom, as in case of needed repair, or for other purposes" (lines 19-22). The invention provides an uneven surface for the cattle to walk on.
Date: December 3, 1895
Creator: Lee, Jacob M.
Item Type: Refine your search to only Patent

Cattle-Guard for Railroads.

Description: Patent for a cattle-guard for railroads that is "a series of plates or slates mounted with the capability of partial or complete rotation on axes substantially parallel with the rails and between the said rails and on either side of the track so as to span the road bed or space between the ends of the fence" (lines 25-31). The plates have longitudinal flanges with serrated edges.When the cattle step on the guard, they will experience pain and avoid the spot.
Date: February 6, 1894
Creator: Lee, Jacob M.
Item Type: Refine your search to only Patent
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