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IPC Class
B04

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

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES

Description

Class B04 covers centrifugal apparatus and machines designed to perform physical or chemical processes through rotational force. This includes centrifuges for separation, classification, dewatering, and drying of solids and liquids, as well as centrifugal reactors for chemical synthesis and processing. The class encompasses both the mechanical apparatus (drums, bowls, baskets) and integrated systems for industrial and laboratory applications. Related centrifugal devices for transporting or handling materials are classified elsewhere in Section B.

Related Keywords

SEPARATING or sorting of different materialsSTRATIFYING

2 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filings, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ALFA LAVAL SE 541
  2. GEA MECHANICAL EQUIPMENT DE 297
  3. CSSC NANJING LUZHOU MACHINE COMPANY 165
  4. GEA WESTFALIA SEPARATOR GROUP DE 138
  5. FLOTTWEG SE DE 124
  6. ANDREAS HETTICH & COMPANY DE 108
  7. OMACHRON INTELLECTUAL PROPERTY CA 98
  8. MANN + HUMMEL DE 95
  9. DYSON GB 87
  10. JIANGSU SAIDELI PHARMACEUTICAL MACHINE COMPANY 82