CPC Subgroup Additional Only
B04C 2003/003 Full Title
Apparatus in which the axial direction of the vortex remains unchanged
Filing statistics
CPC B04C 2003/003 belongs to the parent subclass B04C, which recorded 8,402 patent applications worldwide between 2013 and 2023. Annual filings declined from 621 in 2013 to 475 in 2023 (-24%), peaking at 1,074 applications in 2017. The most active applicants in class B04 are ALFA LAVAL (576 applications), GEA MECHANICAL EQUIPMENT (304 applications) and DYSON (221 applications).
Source: EPO PATSTAT, worldwide filings
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