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DIFF Subgroup
B04C 5/107

Cores; Devices for inducing an air-core in hydrocyclones (forming part of the outlet pipe B04C5/13)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Cores; Devices for inducing an air-core in hydrocyclones

CPC: Cores; Devices for inducing an air-core in hydrocyclones (forming part of the outlet pipe B04C5/13)

Full Title

Full titles differ between systems:

IPC:

Apparatus in which the axial direction of the vortex is reversed > Vortex chamber constructions > Cores; Devices for inducing an air-core in hydrocyclones

CPC:

Apparatus in which the axial direction of the vortex is reversed > Vortex chamber constructions > Cores; Devices for inducing an air-core in hydrocyclones (forming part of the outlet pipe B04C5/13)

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

  1. ALFA LAVAL SE 541
  2. GEA MECHANICAL EQUIPMENT DE 297
  3. CSSC NANJING LUZHOU MACHINE COMPANY 165
  4. GEA WESTFALIA SEPARATOR GROUP DE 138
  5. FLOTTWEG SE DE 124
  6. ANDREAS HETTICH & COMPANY DE 108
  7. OMACHRON INTELLECTUAL PROPERTY CA 98
  8. MANN + HUMMEL DE 95
  9. DYSON GB 87
  10. JIANGSU SAIDELI PHARMACEUTICAL MACHINE COMPANY 82

Top Applicants (CPC)

Class B04,2013–2023, worldwide · Source: EPO PATSTAT

  1. ALFA LAVAL SE 576
  2. GEA MECHANICAL EQUIPMENT DE 304
  3. DYSON GB 221
  4. LG ELECTRONICS KR 151
  5. GEA WESTFALIA SEPARATOR GROUP DE 138
  6. FLOTTWEG SE DE 129
  7. FENWAL US 114
  8. BECTON, DICKINSON & COMPANY US 112
  9. ANDREAS HETTICH & COMPANY DE 109
  10. OMACHRON INTELLECTUAL PROPERTY CA 108