UNT Libraries Government Documents Department - 247 Matching Results

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Acetylene-Gas Generator

Description: Patent for an Acetylene gas generator with an improved building method for holding the carbide tank above the generator tank.
Date: January 7, 1908
Creator: Walsh, William J.

Adjustable Stool.

Description: Patent for an adjustable and foldable stool for but not limited to field workers, including instructions and illustrations.
Date: April 6, 1880
Creator: Smith, William Alexander & Smith, Robert Toumbleson

Air-Compressor.

Description: Patent for a more efficient air compressor with high and low pressure chambers formed of mating sections that can be detached to make repairs to the piston as necessary.
Date: April 1, 1913
Creator: Murphy, Edward

Animal-Trap.

Description: Patent for an improved animal trap for “catching small animals in a trap which will be ever set and in operative position for catching an animal and which will be automatically reset” (lines 10-13), illustration is included.
Date: March 17, 1891
Creator: Bassinger, Stephen

Ant Trap.

Description: Patent for a new and improved ant trap. This design consists "[i]n a device for catching ants, the combination, with an open frame, of the end piece or trough, having a concave bottom and overturned edges" (lines 84-87).
Date: March 29, 1887
Creator: Haines, Samuel Alfred

Ant Trap.

Description: Patent for a new and improved ant trap. This design consists in "the combination of a tube having a longitudinal slot in its top at one end and a transverse slot in the bottom near the other end, the top of the tube on each side of the longitudinal slot bent downward, a pen secured to the end of the tube having the longitudinal slot, a portion of one side piece of the pen forming an end for the tube and the other side piece being cut away and secured to the tube, and a receptacle under the end … more
Date: February 28, 1888
Creator: Miller, Marshall Crittenden

Antiskidding Vehicle Wheel-Tire.

Description: Patent for an antiskidding vehicle wheel tire that has tread structure which prevents slippage or skidding of the tires on wet or icy roads.
Date: July 15, 1913
Creator: Dees, Mark A. & Dees, Thomas M.

Baling-Press.

Description: Patent for improvements in baling presses: "This invention relates to baling presses provided with runners, (instead of the usual wheels,) to be removed about the field; and my objects are, to construct such a press in such a manner that it can be readily started down with but few stakes, second; to provide a rigid but removable side brace to prevent the press from canting, and third; to prevent the operating lever from canting or swinging upward or downward when in operation; and to promote si… more
Date: April 10, 1894
Creator: Schubert, George

Bedstead

Description: Patent for a bedstead on rubber wheels which allows easy removal of the wheels to fit the bed through narrow doorways.
Date: August 27, 1907
Creator: Blacknell, Elihu

Breast-Strap for Harness.

Description: Patent for "a breast-strap so constructed as to obviate pressure on the windpipe of the horse and to transfer such pressure to the shoulders; to obviate chafing or rubbing of the breast-strap upon the shoulders, and to permit them to move freely in advance of each other as a result of the movements of the horse." (Lines 12-18) Includes instructions and illustrations.
Date: December 25, 1894
Creator: Russell, Charles H.

Broom-Rack.

Description: Patent for a new suspended broom rack design with increased capacity for holding brooms, including illustrations.
Date: February 12, 1889
Creator: Jones, Wesley C.

Broom Rack.

Description: Patent for a new and improved broom rack. This design "compris[es] the lower ring provided in its outer edge with a series of notches adapted to receive the head of the brooms, the upper ring arranged to fit within the opening of the lower ring when not in use and provided with a series of perforations to receive the handles of the brooms, the chains or other suitable means for connecting the rings, and the chains . . . secured to the upper rings" (lines 79-88).
Date: June 24, 1890
Creator: Neely, William D.

Bucksaw.

Description: Patent for "a new and useful improvements in bucksaws to provide a simple construction to secure the saw-blade detachably in position and to tighten the same to any degree of operation." (lines 5-10) including instructions and illustrations.
Date: June 12, 1900
Creator: Henry, Hugh

Burglar-Alarm.

Description: Patent for a burglar alarm device that is triggered by the movement of a door or window, including illustrations.
Date: October 30, 1917
Creator: Alderman, Joseph S.

Cabinet

Description: Patent for a cabinet which acts as a receptacle for money. Dollars and coins may be sorted using the tray mounted within the cabinet.
Date: May 22, 1906
Creator: Ferris, Thomas A.

Calculating Device.

Description: Patent for a new and improved calculator. This design "consists in having a central disk provided on each side with a disk somewhat smaller, the three being pivoted centrally, so that the smaller disks on the sides may be rotated independently of the central disk. The central disk has twelve or more marginal figures on each side, equidistant from each other, and a column of figures extending inwardly from each marginal figure" (lines 19-27).
Date: November 24, 1885
Creator: Tucker, Argyle W.

Canopy for Vehicles, & c.

Description: Patent to "improve the construction of canopies and to provide a simple, inexpensive, and efficient one adapted to be readily mounted on all kinds of vehicles, plows, machines, &c., where shade or protection from weather is desirable" (lines 11-15) with instructions and illustration.
Date: May 4, 1897
Creator: Buchanan, Hugh A. & Tisdal, Jefferson M.

Car-Coupling

Description: Patent for invention relating "to improvements in automatic car-couplings" (lines 9-10) for railroad cars.
Date: April 16, 1901
Creator: Priddy, Miles C.

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination, with the draw-head, of an upright or standard secured thereto, a lever pivoted to said upright or standard, a coupling-pin pivoted to said lever, a flat spring secured to the underside of the draw-head and extending outwardly beyond the same, and a chain connecting said lever and spring" (lines 16-22).
Date: October 28, 1884
Creator: Pritchett, William Henry

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design is of a car-coupling with a bumper having recesses and slots, "having [a] lip and transverse inner wall, the hook pivoted therein, the bumper, the stirrup suspended beneath the bumper, vertical rods or connections, levers pivoted in suitable bearings on the car-roof, locking-plate, and the [additional] levers" (lines 1-6).
Date: February 20, 1883
Creator: Hawkins, William A. & Hawkins, Charlie S.

Carbon-Removing Tool

Description: Patent for a new and improved carbon removing tool, which allows for the removal of carbon from the pistons of internal combustion engines. Includes illustrations.
Date: April 12, 1921
Creator: Slagle, Eugene H.

Changeable Exhibitor.

Description: Patent for a changeable exhibitor, which has horizontally and vertically moving rollers for displaying items.
Date: August 24, 1909
Creator: Williams, Winfield B.

Changeable Gear For Bicycles.

Description: Patent for a new and useful changeable gear for bicycles, including instructions and illustrations.
Date: November 29, 1898
Creator: Maxwell, Fietcher Edgar

Check Book.

Description: Patent for an improvement to check books and covers.
Date: April 10, 1900
Creator: Exline, Marcus P.
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