UNT Libraries Government Documents Department - 42 Matching Results

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Process of Making Aromatic Hydrocarbons

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.

Item Type: Patent

Starting Meachanism for Explosive Engines

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.

Item Type: Patent

Improvement in Drawing Off Tallow, Lard &c., from Rendering-Tanks.

Patent for a new method for drawing off tallow, lard, etc. from pressure tanks by introducing water. This includes illustrations.

Date: June 7, 1870

Creator: Archer, John H.

Item Type: Patent

Hoisting Hook.

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.

Item Type: Patent

Rotary Drilling Apparatus

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: Patent

Rotary Drilling-Machine.

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.

Item Type: Patent

Gearing for Hoisting Apparatus

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: Patent

Oil-Tank.

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: Patent

Coaling Device.

Patent for coal colliers that breaks the coal into small pieces and lifts the coal to pour the coal into the ship's bunkers.

Date: June 22, 1920

Creator: Buchanan, Stewart Harold

Item Type: Patent

Soil Survey of Jefferson and Orange Counties, Texas

Text describes the area, climate, agricultural history and statistics, soil-survey methods and definitions, soils and crops, land uses and agricultural methods, irrigation, and morphology and genesis of soils of Jefferson and Orange Counties, Texas.

Date: June 2006

Creator: Crenwelge, Gerald

Item Type: Book

Dust Separating Apparatus

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

Item Type: Patent

Percolator.

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: Patent

Screw.

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

Item Type: Patent

Log-Hauling Locomotive.

Patent for certain new and useful improvements in log hauling locomotives, including instructions and illustrations.

Date: June 7, 1898

Creator: Fletcher, William Andrew

Item Type: Patent

Shocker.

Patent for improving automatic grain shockers and cappers by adding adapted frames, with illustrations.

Date: June 15, 1920

Creator: Groves, Charles H.

Item Type: Patent

Safety-Lamp.

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: Patent

Boring-Bit.

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: Patent

Viscoscometer.

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.

Item Type: Patent