Bowls for shaping solids

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Elements of centrifuges > Rotary bowls > Bowls for shaping solids

CPC:

Elements of centrifuges (drives B04B9/00; feeding, charging, or discharging appurtenances or devices B04B11/00) > Rotary bowls (centrifugal casting machines B22D) > Bowls for shaping solids

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