UNT Libraries Government Documents Department - 11 Matching Results

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Electrolytic Cell

Description: Patent for an improved electrolytic cell that automatically maintains its predetermined amount of liquid.
Date: November 20, 1920
Creator: Walker, Thomas Bailey

Exhaust-Steam Condenser.

Description: 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.

Improvement in Cultivators.

Description: 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

Liquid Fuel Burner

Description: Patent for fuel burner that can be dismantled and easily moved around the kitchen.
Date: June 20, 1920
Creator: Tucker, William A.

Millstone-Dress.

Description: Patent for an improved millstone-dress that produce less heat while grinding by employing a greater number of furrows, including illustration.
Date: March 20, 1860
Creator: Littlepage, C. V.

Power Attachment for Treadle Machines.

Description: Patent for a new and improved attachment for treadle machines. This design "consist[s] of the frame provided with the bearings and adapted to support the machine to be driven, the shaft journaled in the said bearings and provided with the arms, the roller journaled between the outer ends of the said arms, and the pulley secured on the said shaft" (lines 85-92).
Date: November 20, 1888
Creator: Von Boeckmann, Eugene

Spool and Work Holder.

Description: Patent for a spool and work holder, which is in the shape of a bird and has places to store spools of thread, a pincushion, and a storage place for a piece of work.
Date: September 20, 1910
Creator: Culver, Katherine

Valve-Closure for Ventilators

Description: Patent for a new valve-closure for ventilators on plumbing systems by W.L. Hamilton and G. McCullough.
Date: December 20, 1917
Creator: Hamilton, William L. & McCullough, George

Wireless-Telegraph Receiver

Description: Patent for a wireless telegraph receiver which receives incoming intelligence through electric waves and uses crystalline substances as its detector. Illustrations included.
Date: April 20, 1909
Creator: Way, Wesley M.
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