UNT Libraries Government Documents Department - 31 Matching Results

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Boring-Bit.

Description: Patent for a boring drill. The invention creates a new means "for connecting the constituent members of the head so as to provide novel means for assembling the head with a driving element" (lines 19-22).
Date: June 10, 1913
Creator: Larnce, John B.; Townsend, S. L. & Keith, Aubrey R.
Item Type: Refine your search to only Patent

Gage for Adjusting Planer Knives.

Description: Patent for a new and improved gauge for planer knives. This design is "for use in planing and other mills where side heads are used to supply the need of a convenient appliance for holding the side heads in best position for filing, sharpening, or setting the bits, to afford a strong machine for holding the side heads firmly and securely in any position that the work[person] may desire while sharpening or adjusting the bits to the desired pattern" (lines 30-38).
Date: June 17, 1884
Creator: Thompson, Francis B.
Item Type: Refine your search to only Patent

Gearing for Hoisting Apparatus

Description: Patent for gearing that hoists items in construction. This one is designed more specifically with the drilling of wells in mind, but it can be used in other activities as well. The apparatus can run at varying speeds, all controlled by a single person who does not have to leave the controls to adjust said speed.
Date: June 5, 1917
Creator: Black, Lee Jackson
Item Type: Refine your search to only Patent

Heater

Description: Patent for a new and useful heater design "particularly for heating the water in the circulating system of internal combustion engines, such as are used in automobiles" (lines 10-12). Illustrations are included.
Date: June 6, 1916
Creator: Smith, Frederick C.
Item Type: Refine your search to only Patent

Improvements in Burners

Description: Patent for improvements for burners. It is related explicitly to hydrocarbon burners. Its purpose is to keep the oil and steam separate as they leave the burner by keeping them in two separate streams.
Date: June 19, 1918
Creator: Trahan, Clair A
Item Type: Refine your search to only Patent

Oil-Tank.

Description: Patent for oil tank top to prevent destruction of inflammable substance in the tank by enabling the gas to escape in a simple and effective manner.
Date: June 27, 1916
Creator: Bradley, Benjamin Franklin
Item Type: Refine your search to only Patent

Percolator.

Description: Patent for a percolator that has a storage tank where the water may be heated and stored for later use to make coffee. The device also features a cylinder, where ground coffee is placed, that can be removed for easy cleaning.
Date: June 13, 1916
Creator: Duke, Holmes
Item Type: Refine your search to only Patent

Rotary Drilling Apparatus

Description: Patent for well drilling apparatus (commonly known as rotaries) with eliminated screws and nuts, and reduced minimum number of parts, and which provides a quickly and easily operable gripping device.
Date: June 22, 1915
Creator: Black, Lee J.
Item Type: Refine your search to only Patent

Safety-Lamp.

Description: Patent for a safety lamp that prevents the explosion of combustible gases by adding a perforated dome and air chamber. The expansion spaces cut off the air supply and extinguish the lamp.
Date: June 5, 1917
Creator: Kincade, Elmer C.
Item Type: Refine your search to only Patent
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