UNT Libraries Government Documents Department - 38 Matching Results

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Description: Patent for a jack for lifting heavy loads on railroads, which has an automatic steady movement of the load up and down without adjusting the jack settings.
Date: August 6, 1907
Creator: Blake, David Alexander & Blake, Charles W.

Envelope or Bag Machine

Description: Patent for a machine "for making envelopes, paper bags, and the like wherein the blank which is to form the envelope or bag is automatically fed into the machine at its receiving end by a suitable feeder and is folded and gummed on its way through the machine, being finally delivered in a marketable condition at the delivery end of the machine" (lines 10-17).
Date: June 24, 1890
Creator: Clarke, George R.

Clip for Type-Writers.

Description: Patent for a clip for type-writers for Remington or similar type-writers that holds post-cards, envelopes, and similar short items in place. The invention prevents "the blurring or bad impression which is apt to be made, more particularly in machines having type bars with two types each, when the paper is not held firmly to the roller or platen" (lines 12-16).
Date: February 19, 1895
Creator: Gibson, Allen J.

Method of Burning Finely-Divided Fuel.

Description: Patent for a combustion apparatus used in-conjunction with a fuel-burning furnace. The apparatus is a rotating device that rotates in a one-directional whirling motion, which imparts finely-divided fuel evenly to ensure a uniform mixture with air for a continuous combustion.
Date: February 10, 1914
Creator: Irish, David J.


Description: Patent for improvements to the hoe of the seeding machine "and attendant parts, and particularly to the means for guiding and adjusting the hoe and for guiding and adjusting the following-wheel" (lines 17-19).
Date: November 8, 1892
Creator: Kirkpatrick, George W. & Ralston, James B.

Trolly Wheel and Harp.

Description: Patent for trolley wheels, where "the transmission of the current through the wheel to the harp is maintained at the maximum and the necessary wear of the relatively movable parts reduced to a minimum" (lines 11-15).
Date: May 7, 1912
Creator: Neighbour, William W.