UNT Libraries Government Documents Department - 36 Matching Results

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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.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Collar-Fastener.

Description: Patent for providing a durable structure for fasteners to be used on horse collars for effectiveness and quick manipulation. Illustrations are provided.
Date: July 20, 1915
Creator: Wallace, William F.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

Drill.

Description: Patent for improvements in drills by providing “a frame which may be readily attached to any suitable support and wherein the drill-spindle may be engaged for operation by a common form of chest-brace.” (Lines 9-13) The frame would enable the stock-rest to adjust in proper positions to receive different thicknesses of stock.” (Lines 15-17) Illustration is included.
Date: April 2, 1901
Creator: Willmann, Joseph
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for new design for a wrench that is a "simple, efficient, and inexpensive one adapted for operating on nuts, pipes, rods and other objects." (Lines 11-13) Illustration included.
Date: May 8, 1900
Creator: Willmann, Joseph
Item Type: Refine your search to only Patent

Corn-Husker.

Description: Patent for a "simple, inexpensive, and convenient hand-operated machine employing an oscillating knife or cutter for severing the stalk or stem and at at the same time clamping the shucks, so that the ear, when turned, will effect the bursting open of the shucks, thus permitting the ready removal of the ear" (lines 8-15).
Date: December 22, 1896
Creator: Willmann, Joseph
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent
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