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DIFF Subgroup
B04B 7/02

Casings; Lids (shock absorbers, vibration dampers F16F)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Casings; Lids

CPC: Casings; Lids (shock absorbers, vibration dampers F16F)

Full Title

Full titles differ between systems:

IPC:

Elements of centrifuges > Casings; Lids

CPC:

Elements of centrifuges (drives B04B9/00; feeding, charging, or discharging appurtenances or devices B04B11/00) > Casings; Lids (shock absorbers, vibration dampers F16F)

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

Child Classifications

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  • B04B 2007/025 2nd only CPC only CPC only
  • B04B 7/04 Casings facilitating discharge IPC+CPC Available in 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