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
- ALFA LAVAL SE 541
- GEA MECHANICAL EQUIPMENT DE 297
- CSSC NANJING LUZHOU MACHINE COMPANY 165
- GEA WESTFALIA SEPARATOR GROUP DE 138
- FLOTTWEG SE DE 124
- ANDREAS HETTICH & COMPANY DE 108
- OMACHRON INTELLECTUAL PROPERTY CA 98
- MANN + HUMMEL DE 95
- DYSON GB 87
- JIANGSU SAIDELI PHARMACEUTICAL MACHINE COMPANY 82