SHARPLES-SUPER-CENTRIFUGE
CENTRIFUGAL MACHINES FOR DEWAXING OF PETROLEUM OIL AND FRACTIONS THEREOF AND OF COAL, [ LIGNITE, ] AND SHALE TAR AND FRACTIONS THEREOF; REMOVAL OF WATER FROM CRUDE PETROLEUM; RECOVERY AND CLARIFICATION OF COTTONSEED OIL, OLIVE OIL, LINSEED OIL, FISH OIL, FRUIT JUICES, [ WOOL GREASE, COCOA BUTTER, AND MALT EXTRACT; CONCENTRATION AND PURIFICATION OF RUBBER LATEX; PURIFICATION OF SWITCH INSULATING OIL, TRANSFORMER INSULATING OIL ] TURBINE-LUBRICATING OIL, INTERNAL-COMBUSTION-ENGINE-LURBRICATING...
Cancelled · February 7, 1930 · 71295764 ·