UNT Libraries Government Documents Department - 36 Matching Results

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Traction Engine.

Description: Patent for an improved version of traction engine with ambulatory wheels that improve the design, including instructions and illustrations.
Date: December 12, 1916
Creator: Altgelt, Herman E.

Tractor

Description: Patent for "novel features of construction and combinations of parts" in tractors to ensure a steady, even pace of travel and allow for traversing uneven landscape while maintaining a level setting, including illustrations and instructions.
Date: April 23, 1918
Creator: Altgelt, Herman E.

Wheel-Operated Lift Mechanism

Description: Patent for a wheel operated lift mechanism designed for agricultural implements with wheels which can raise the frame of the agricultural implement for easy access to the wheel. This tool is adjustable to raise or lower the frame for easy access to the wheel to disconnect it.
Date: May 17, 1921
Creator: Altgelt, Herman E.

Cotton-Chopper.

Description: Patent for a new and useful improvement in cotton choppers, including instructions and illustrations.
Date: February 6, 1900
Creator: Bartels, Henry

Windmill.

Description: Patent for a new and improved windmill. This design consists in "the sectional spiral vanes of the wind-wheel, having a flange on the outer edge, widest at the end of the vane on which the wind first takes effect, and inclined to the plane of the vane for deflecting the wind thereon . . . [and] [t]he brake, having guide-pulley and combined with the pull-cord, tail-vane, and the wheel-shaft, said shaft having a friction-wheel" (lines 13-22).
Date: February 24, 1885
Creator: Benoit, Joseph

Nut Lock

Description: Patent for nut lock. Illustration included.
Date: October 12, 1909
Creator: Braune, Fritz

Improvement in Wheel-Plows.

Description: Patent for an improvement in wheel plows made so that "the plowing may be done by passing back and forth in parallel lines" (lines 17-18).
Date: September 5, 1871
Creator: Coreth, Rudolph

Pump-Operated Device

Description: Patent for "combination with a pump-operating crank-shaft and a walking-beam operatively connected with the pump-rod, means for preventing sudden movements of the pump-rod at the ends of its strokes and for assisting in starting the rod in its reciprocations" (lines 10-15).
Date: May 28, 1901
Creator: Crawford, Charles Buchanan

Butter-Container.

Description: Patent for a butter container that holds butter and protects against direct handling until it is served. This is inexpensive, two-piece and very easy to clean.
Date: August 12, 1913
Creator: Eiband, Ernst A.

Bookbinder's Gluing-Press.

Description: Patent for a bookbinder's gluing press, which can be used for books of varying thicknesses.
Date: October 11, 1910
Creator: Giesecke, Julius; Nebergall, Ben F. & Oheim, George F.

Serving-Tray.

Description: Patent for a serving tray with individual spots for various dishes, which turns on rollers intended for use at hotels, restaurants, and boarding houses.
Date: June 16, 1908
Creator: Heise, Otto

Harness-Saddle

Description: Patent for a harness saddle that will always maintain its shape and will be comfortable for the animal, thus preventing sores from forming. Illustrations included.
Date: May 17, 1910
Creator: Homann, Alfred

Wire Fence.

Description: Patent for wire fencing using wooden and iron posts to be more readily seen by cattle, including illustration.
Date: November 8, 1853
Creator: Meriwether, William H.

Spring Bed-Bottom.

Description: Patent for the improvement of bedsteads using a spring bottom-construction with zig-zag wire, including illustration.
Date: August 8, 1854
Creator: Meriwether, William Hunter

Saddle-Tree Fork.

Description: Patent for a new and improved saddle-tree fork. This design "strengthen[s] the iron fork by means of a bent wooden part" (lines 14-15). It also utilizes ribs running into and through the neck cavity, which strengthens the neck of the saddle, as when bearing the strain of a lasso.
Date: February 17, 1880
Creator: Mittendorf, Gustav Adolph

Improvement in Glass Globes or Reservoirs for Lamps.

Description: Patent for an "invention to prevent the breaking of glass globes used in kerosene lamps as reservoirs for the burning fluid; and this invention consists in the application around the reservoir of a rubber ring let into a groove, but projecting sufficiently to receive the concussion in case the lamp is overthrown." (Lines 10-16) Includes instructions and illustrations.
Date: April 16, 1872
Creator: Otto, Adolph

Wardrobe

Description: Patent for a Wardrobe that is easy to assemble, dust proof and inexpensive construction
Date: June 17, 1913
Creator: Pape, Bruno L.

Farm Implement

Description: Patent for an improved planter for farm equipment by the inclusion of a wheel.
Date: August 12, 1919
Creator: Rauch, Otto

Wheel.

Description: Patent for an improved wheel tire. The improvements to a conventional tire include multiple hinged springs which limit the movement of the wheel in two directions when contact is made with the ground. The wheel includes shoes placed concentrically around the wheel that provides shock absorption, better traction, and overall stability.
Date: April 12, 1919
Creator: Schmidt, Oscar J.

Automatic Telephone-Exchange System.

Description: Patent for "a simple system and arrangement which is especially adapted for a telephone exchange, which enables the instruments to be connected by a single wire, which dispenses with the use of an operator at the central station, which has automatic means for registering the messages sent by each subscriber, and which is provided with an automatic switching device by means of which one subscriber may connect with any other" (lines 10-19).
Date: December 5, 1893
Creator: Serdinko, John

Portable Dark Room.

Description: Patent for a new and improved portable dark room. This design "consists in a box provided with an opening in one side and a sleeve of pliable material extending outward from this opening, which box contains two smaller boxes for receiving the exposed and unexposed dry plates. The box is provided with a handle for carrying it" (lines 13-19).
Date: February 28, 1882
Creator: Serdinko, John

Rotary Force Pump.

Description: Patent for a new and improved rotary force-pump. This design "consists in a rotary force-pump constructed with a tubular standard provided with one or more flexible tubes having interior half-tubes and an interior cylinder mounted upon a crank-shaft and provided with adjustable bars carrying rollers whereby a liquid can be raised by the successive action of the said rollers upon the said flexible tubes" (lines 22-29).
Date: April 14, 1885
Creator: Serdinko, John
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