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in subjects: "distillation"

Process and Apparatus for Distilling Petroleum.

Patent for apparatus and improving practices associated with distillation of petroleum as undistilled residues, as well as petroleum in other forms.

Date: September 16, 1913

Creator: Van Dyke, John W.; Irish, William M.; Ellis, H. A. & Esterly, Edw. C.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Distilling Turpentine.

Patent for new and useful improvements in apparatus for distilling turpentine to permit continuous distillation.

Date: April 15, 1872

Creator: Lee, Archibald K.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Apparatus for Distilling Turpentine.

Patent for a new and improved process of production and distillation of turpentine, including illustrations.

Date: September 24, 1872

Creator: Lee, Archibald K.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Process of Obtaining Illuminating-Gas from Lignite

Patent for improvements to the processes of obtaining illuminating-gas from Lignite. This new process consists in the novel steps and combinations of steps for obtaining an illuminating gas directly from lignite without having to enrich the same.

Date: unknown

Creator: Schoch, Eugene P.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Improvement in Refining and Ageing Liquors.

Patent for improvement in refining and ageing liquors, including an illustration. The process includes expelling air from distilled liquors, heating them to a boiling point and then cooling them in a waterbath, through the use of a closed, air-tight vessel surrounded by an open water-vessel.

Date: May 10, 1870

Creator: Gilman, Samuel H.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Apparatus for Washing and Scrubbing Gas.

Patent for a washer-scrubber that cleans gas from "tarry matter, ammonia, sulphureted hydrogen, carbonic acid and other impurities" (lines 14-16). The machine divides gas into streams, sprays it with washing liquor, spreads it over reticulated and perforated plates.

Date: March 7, 1893

Creator: Fitzgerald, John H.

Item Type: Patent

Partner: UNT Libraries Government Documents Department