UNT Libraries Government Documents Department - 36 Matching Results

Search Results

Results: 1 - 24 next

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

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

Wind Engine.

Description: Patent for a new and improved wind engine. This design "relates to an improvement in wind-engines, in which a vertical circular frame having a wind-wheel is covered to the half by a hemispherical roof supported by posts" (lines 8-12).
Date: February 2, 1886
Creator: Serdinko, John
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

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

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

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

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

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
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

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
Item Type: Refine your search to only Patent
Back to Top of Screen