IPC Main Group
B04B 11/00 Feeding, charging, or discharging bowls
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
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B04B 11/02 Continuous feeding or discharging; Control arrangements therefor
- B04B 11/04 Periodical feeding or discharging; Control arrangements therefor
- B04B 11/06 Arrangement of distributors or collectors in centrifuges
- B04B 11/08 Skimmers or scrapers for discharging
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