UNT Libraries Government Documents Department - 36 Matching Results

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Boiler-Flue-Cleaning Device.

Patent for certain new and useful improvements in boiler flue cleaning devices, including instructions and illustrations.

Date: August 8, 1899

Creator: Kitchen, George C.

CAR-COUPLING

Patent for a Car-Coupling. "This invention relates to car-couplings of the Janney type..." (lines 9-10) including illustrations.

Date: August 11, 1903

Creator: Yeiser, John Clarke

Charcoal-Burning Apparatus.

Patent for a durable, more efficient charcoal-burning device which yields higher quality product and in greater quantity than those existing at the time.

Date: August 9, 1921

Creator: McGee, William H.

Patent for a churn that can be easily disassembled and cleaned easily. The churn is a circular chamber with a tube in its center. The tube has a fan around it at the top of the chamber, and the air goes through the fan, is sucked into the tube, and is released at the bottom of the chamber in order to agitate the cream.

Date: August 11, 1896

Creator: Walker, Ben, Jr.

Coin-Sorter.

Patent for a coin sorter that sorts coins according to their dimensions and places in a receptacle with removable bottom cover to collect the sorted coins.

Date: August 19, 1913

Creator: Haynie, Brooks & Parmele, James J.

Cord-Tying Device.

Patent for certain new and useful improvements in cord tying devices, including instructions and illustrations.

Date: August 1, 1899

Creator: Postley, Charles A.

Cuff Button and Holder.

Patent for a new and improved cuff button and holder. This design consists in "[a] cuff button and holder having in combination a shank-plate, two buttons, one attached at each end of the shank-plate, and a clamp-bar, one end of which is for attachment to the shirt-sleeve, and the other end having a device to couple with said shank-plate" (lines 1-6).

Date: August 11, 1885

Creator: Stuart, John A. & Woodmansee, John F.

Dental or Surgical Chair.

Patent for a dental or surgical chair that is adjustable, light and portable. The chair can be adjusted "without the employment of a raising device using fluid or any sub-basal mechanism" (lines 57-59), and can be adjusted with little effort. The chair's decent can be monitored. It can be easily assembled and disassembled for transport.

Date: August 28, 1894

Creator: Stiles, Edmund Pease

Device for Covering and Protecting Contents of Drawers.

Patent for an improved device designed to cover and protect the contents of drawers, this result being attained through a flexible cover wound upon a suitable roller, the latter being operated to wind or unwind the cover by opening or closing the drawer." (Lines 9-14) Includes instructions and illustrations.

Date: August 31, 1897

Creator: Burt, Horace Roscoe

Diffusion-Block for Subsoil Irrigation.

Patent for a diffusion block for subsoil irrigation, which prevents roots from growing into the pipe that is providing water to the soil.

Date: August 23, 1910

Creator: Ziller, Bessie

Door Attachment.

Patent for a weather strip attachment for doors which would automatically extend from the bottom of the door to the floor when the door is in the closed position and retract to the bottom edge of the door when the door is opened.

Date: August 2, 1921

Creator: Swenson, Frank O.

Electric Insulator.

Patent for a new and improved electric insulator. This design "comprises a pair of fixed metal jaws or flanges having a common base of the same material integral therewith, and having between them a recess or groove for the reception of a wire, a key seat or slot passing through both jaws near their point of permanent union, and rounded off or made with a concave surface at its outer side, and a key or wedge convexly rounded on one side of its surface to correspond with said slot and adapted to… more

Date: August 12, 1890

Creator: Dunbar, John K.

Eraser for Blackboards.

Patent for a new and improved blackboard eraser. This design "is composed of a block fashioned out of any suitable material—wood preferred— with a suitable handle, and provided with a base having a bed rounding in shape, provided with a rabbet following its edge, one side of which is beveled and the other plain, the two sides of said rabbet forming an obtuse angle about the entire perimeter of the said block" (lines 15-23).

Date: August 12, 1884

Creator: Kempen, Adolph H.

Exhaust-Steam Condenser.

Patent for an exhaust-steam condenser meant for steam-engines in places where water needs to be conserved. It also "prevents the use of water for cooling the surfaces of the condenser" (lines 14-16).

Date: August 20, 1895

Creator: Bachman, Joseph A. & Goeth, Adolf C.

Exhibitor

Patent for device which would allow motorists to display road maps in their vehicle while driving. Would also include a light so maps could be visible at night.

Date: August 14, 1917

Creator: Atkinson, Jackson B.

Firing Mechanism for Guns.

Patent for a firing mechanism for double barrel shotguns, which allows the barrels to be shot in any order by pulling the trigger twice in succession.

Date: August 11, 1908

Creator: Blocker, John Rufus

Gate.

Patent for a new and improved gate. This design "relates to improvements in gates of that class known as 'tilting and folding' gates, and is designed to produce a gate that will automatically lock itself when down and close the passage by means which will not interfere in the least with the operation of the tilting" (lines 9-15).

Date: August 4, 1885

Creator: Howe, Charles P.

Improvement in Corn and Cotton Planters.

Patent for improvement in corn and cotton planting machinery, including illustrations.

Date: August 20, 1872

Creator: Svenson, Bengt Johan

Improvement in Cotton-Pickers.

Patent for a cotton-picking machine that "consists in a set of saws mounted on a truck, and geared with the driving-wheels, to run in the tops of the plants...and detach the cotton and convey it to a brushing-roller above, which detaches the cotton from the saws and delivers it into a receptacle behind." (Lines 10-17) Includes instructions and illustrations.

Date: August 23, 1870

Creator: McRae, Daniel M.

Improvement in Cultivators.

Patent for the improvement of cultivators, consisting in the construction and arrangement of of a double-sweep plow. It includes a description and illustration.

Date: August 20, 1872

Creator: Svenson, Bengt Johan

Ironing Board.

Patent for a new and improved ironing-board. This design "is to provide a simple and inexpensive ironing-table adapted to be readily attached to the edge of a table or to a cleat on the wall and capable of being adjusted vertically to accommodate itself to the height of the table or other support" (lines 10-15). It consists in "[a]n ironing-table comprising an ironing-board provided at its rear end with parallel slots . . . the ribs secured to the lower face of the ironing-board and forming gro… more

Date: August 2, 1892

Creator: Chapin, Frederick N.

Minnow Trap

Patent for Minnow Trap

Date: August 29, 1916

Creator: Bonner, John Sturgis

Mold.

Patent for a mold for viscous materials that are meant to be hardened in the mold or afterward. It is designed to be easily removed from the cast without damaging it.

Date: August 13, 1901

Creator: Parker, William Sink

Plow

Patent for a plow. Illustration included.

Date: August 4, 1908

Creator: Messer, Jeremiah Clark & Deen, Irwin Johnson