UNT Libraries Government Documents Department - 30 Matching Results

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Animal-Trap

Description: Patent for an animal trap whose specially designed cylinders play a crucial role in tiring the animal while it is struggling to escape the trap doors Ultimately, succumbing to exhaustion and hastening its drowning in the trap's water reservoir.
Date: January 14, 1913
Creator: Link, William A.
Item Type: Refine your search to only Patent

Circuit-Closing Device for Doors.

Description: Patent for a device mounted within a door jamb that closes or breaks a circuit when the door is opened or closed, respectively. The electrical connection can be used to turn on lights when the door is opened and off when closed.
Date: November 4, 1913
Creator: Fitch, William Hubert
Item Type: Refine your search to only Patent

Clock.

Description: Patent for self-winding secondary clocks that are "connected in series to be timed by a master clock and more particularly to tower clocks" (lines 10-12) with the objectives of keeping perfect time and winding periodically, including instructions and illustrations.
Date: May 6, 1913
Creator: Friedman, Bernhard Z.
Item Type: Refine your search to only Patent

Fly-Trap.

Description: Patent for a fly/insect trap with a unique construction that includes an upright cylindrical casing, a peripheral rib, a transparent funnel, and a mesh bait holder, including illustrations.
Date: May 27, 1913
Creator: Buck, Daniel Luther
Item Type: Refine your search to only Patent

Gas-Generator.

Description: Patent for Gas Generator. This patent improves previous gas generators, that include generator casings having air inlets and gas inlets. this invention provides a form of automatic feed of air, oil, and acid to the generator in proper proportions.
Date: May 13, 1913
Creator: Gregson, William & Wisherd, John A.
Item Type: Refine your search to only Patent

Land-Breaking Plow.

Description: Patent for an agricultural plow that mixes the soil of multiple layers while keeping the soil in its initial layer to conserve moisture and deliver nitrogen. Plow can be motorized or use animals to function.
Date: August 26, 1913
Creator: Reed, Arthur
Item Type: Refine your search to only Patent

Life Boat

Description: Patent for life boats to use for large passenger ships, cruise and other boats that can be installed at the sides of the ships for easy access during evacuation.
Date: July 15, 1913
Creator: Sargeant, Benjamin F.
Item Type: Refine your search to only Patent

Matrix-Molding Device

Description: Patent for improvements to matrix-molding devices, "and the object is to provide simple devices which are carried by the matrices or molding devices for forming rule retaining members which have angular grooves" (lines 14-17).
Date: September 12, 1913
Creator: Markwell, Andrew E.
Item Type: Refine your search to only Patent

Quilting-Frame

Description: Patent for a new type of quilting frame. The improved Quilting-Frame can be used with a standard sewing machine. The device allows a sewing machine to in seams.
Date: February 18, 1913
Creator: Cribbs, William D.
Item Type: Refine your search to only Patent
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