CPC Subgroup
B04C 5/14 Construction of the underflow ducting; Apex constructions; Discharge arrangements
Full Title
Apparatus in which the axial direction of the vortex is reversed > Construction of the underflow ducting; Apex constructions; Discharge arrangements
5 direct subcodes
Child Classifications
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- B04C 5/15 with swinging flaps or revolving sluices; Sluices; Check-valves
- B04C 5/16 with variable-size outlets from the underflow ducting
- B04C 5/18 with auxiliary fluid assisting discharge
- B04C 5/181 Bulkheads or central bodies in the discharge opening
- B04C 5/185 Dust collectors
Top Applicants
Top 10 applicants by patent filingsfor 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