IPC 6 English version
 
Class B04

SECTION B– PERFORMING OPERATIONS; TRANSPORTING

B 04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES

 Note

 Attention is drawn to the Notes following the subsection title "SEPARATING; MIXING" [pages 10 and 11]

B 04 BCENTRIFUGES (high-speed drum mills B 02 C 19/11; domestic spin driers D 06 F; analysing, measuring or monitoring physical or chemical properties of samples during centrifuging, see the relevant subclasses for these procedures, e.g. G 01 N)

B 04 CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES (jet mills B 02 C 19/06; cyclonic type combustion apparatus F 23)