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IPC Main Group
B04B 5/00

Other centrifuges

Introduced: September 1968

Last revised: January 2006

Classification Context

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

6 direct subcodes

Child Classifications

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  • B04B 5/02 Centrifuges consisting of a plurality of separate bowls rotating round an axis situated between the bowls
  • B04B 5/04 Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
  • B04B 5/06 Centrifugal counter-current apparatus
  • B04B 5/08 Centrifuges for separating predominantly gaseous mixtures
  • B04B 5/1 Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges
  • B04B 5/12 Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers

Top Applicants

Top 10 applicants by patent filingsfor class B04, 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