Slime-Pulp Thickener. (open access)

Slime-Pulp Thickener.

Patent for a machine used in the wet milling process. It allows proportionate distribution of liquids to aide during the thickening process.
Date: April 17, 1923
Creator: Allen, Charles
System: The Portal to Texas History
Filtering Material. (open access)

Filtering Material.

Patent for "improved filtering stuff composition" (lines 8-9), containing vegetable ashes and an insoluble binding agent for the purpose of purifying liquids.
Date: April 19, 1921
Creator: Müller, Enrique
System: The Portal to Texas History
Treatment of Ores. (open access)

Treatment of Ores.

Patent for the treatment of ores which has a improvised process of chloridizing ores, concentrates, and other metallurgical products.
Date: April 19, 1921
Creator: Hirt, Jules Hector
System: The Portal to Texas History
Feed Spout Barrier (open access)

Feed Spout Barrier

Patent for "a feel spout barrier for slime thickeners, settling tanks, separating tanks and the like" (lines 8-10) with instructions and illustrations.
Date: April 12, 1921
Creator: Allen, Charles
System: The Portal to Texas History
Automatic Separator and Evaporator. (open access)

Automatic Separator and Evaporator.

Patent for an improved automatic separator and evaporator which controls the intake with an included air-lift or jet-ejector, including illustrations.
Date: April 5, 1921
Creator: Allen, Charles
System: The Portal to Texas History
Cylinder-Grinding Attachment For Lathes (open access)

Cylinder-Grinding Attachment For Lathes

Patent for an improved attachment for the lathe to grind cylinders of different sizes
Date: April 6, 1920
Creator: Snell, William T.
System: The Portal to Texas History
Hydrocarbon-Burner (open access)

Hydrocarbon-Burner

Patent for an improved hydrocarbon burner, including illustrations.
Date: April 6, 1920
Creator: Critchett, James C.
System: The Portal to Texas History