B04B 3/04 discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
Introduced: September 1968
Title
Titles differ between systems:
IPC: discharging solid particles from the bowl by a conveying screw co-axial with the bowl axis and rotating relatively to the bowl
CPC: discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
Full Title
Full titles differ between systems:
Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneously sifting or filtering > discharging solid particles from the bowl by a conveying screw co-axial with the bowl axis and rotating relatively to the bowl
Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering > discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class B04,2013–2023, worldwide · Source: EPO PATSTAT
- ALFA LAVAL SE 576
- GEA MECHANICAL EQUIPMENT DE 304
- DYSON GB 221
- LG ELECTRONICS KR 151
- GEA WESTFALIA SEPARATOR GROUP DE 138
- FLOTTWEG SE DE 129
- FENWAL US 114
- BECTON, DICKINSON & COMPANY US 112
- ANDREAS HETTICH & COMPANY DE 109
- OMACHRON INTELLECTUAL PROPERTY CA 108