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Viscoscometer.

Description: Patent for a device that accurately determines the viscosity of different liquids, particularly oils, and is able to be kept at a uniform temperature.
Date: June 13, 1916
Creator: Lorenz, Charles O.
Partner: UNT Libraries Government Documents Department

Log-Hauling Locomotive.

Description: Patent for certain new and useful improvements in log hauling locomotives, including instructions and illustrations.
Date: June 7, 1898
Creator: Fletcher, William Andrew
Partner: UNT Libraries Government Documents Department

Trunk-Strap Fastener.

Description: Patent for an inexpensive and simple trunk strap fastener meant to "insure a strong tightening of the same without resorting to the old laborious method of buckling the strap about the baggage, while at the same time the invention also contemplates the employment of a specific arrangement of the strap about the article being bound therewith, in combination with the fastener proper whereby a stronger and more efficient strapping is effected" (lines 16-25).
Date: June 12, 1894
Creator: Webb, William James
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

Velocipede

Description: A patent for a quadrucycle, or bicycle with four wheels, adaptable for use on railroads.
Date: June 13, 1882
Creator: McCombs, Paul
Partner: UNT Libraries Government Documents Department

Starting Meachanism for Explosive Engines

Description: Patent for a mechanism for starting internal combustion engines, and particularly that form of starting devices in which a torsion spring is used.
Date: June 20, 1916
Creator: Appleman, Boyd K.
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

Rotary Motor

Description: Patent for a Rotary Motor. Illustrations included.
Date: June 28, 1904
Creator: Pattinson, James
Partner: UNT Libraries Government Documents Department

Process of Making Aromatic Hydrocarbons

Description: Patent for an invention that relates to processes of making aromatic hydrocarbons, and comprises a method of producing lower boiling aromatic hydrocarbons.
Date: June 26, 1917
Creator: Alexander, Clive M.
Partner: UNT Libraries Government Documents Department

Pocket-Closure

Description: Patent for a pocket closure. Illustrations included
Date: June 29, 1909
Creator: Wilkinson, John W.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Improvment in Steam-Plows.

Description: Patent for one machine that plows, sows, roles and harrow soil in one operation or separately, including illustrations.
Date: June 25, 1861
Creator: Saladee, Cyrus W.
Partner: UNT Libraries Government Documents Department

Dust Separating Apparatus

Description: Patent for a dust separating apparatus. This device is designed for seperating dust from the air. Illustrations included.
Date: June 27, 1905
Creator: Duke, Holmes
Partner: UNT Libraries Government Documents Department

Shocker.

Description: Patent for improving automatic grain shockers and cappers by adding adapted frames, with illustrations.
Date: June 15, 1920
Creator: Groves, Charles H.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Rotary Drilling-Machine.

Description: Patent for well drilling rigs also known as rotaries that provides a new way for controlling the slips that eliminates all danger of injury to workers.
Date: June 1, 1920
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Match Box

Description: Patent for form of single delivery match box. Illustrations included.
Date: June 28, 1904
Creator: Pevoto, Calvit F.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Hoisting Hook.

Description: Patent for "certain new and useful Improvements in Hoisting-Hooks" (lines 5-6) including specifications and illustrations.
Date: June 22, 1915
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

Screw.

Description: Patent for a new and improved screw. This design consists in "[a] screw, the body and shank of which are of corresponding diameter throughout their length, the shank terminating in a rounded end, and the shank and body being provided with a longitudinal straight channel extending throughout their lengths, one of the terminal shoulders of the channel being removed" (lines 4-10).
Date: June 10, 1890
Creator: Ericson, John
Partner: UNT Libraries Government Documents Department
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