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DIFF Main Group
B22F 12/00

Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices

Introduced: January 2021

Of 11 combined children, 9 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 2021.

Child Classifications

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  • B22F 12/20 Cooling means since 2021 IPC+CPC Available in IPC and CPC
  • B22F 12/38 CPC only CPC only
  • B22F 12/70 Gas flow means since 2021 IPC+CPC Available in IPC and CPC
  • B22F 12/90 Means for process control, e.g. cameras or sensors since 2021 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B22,2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 1,719
  2. CHINESE ACADEMY OF SCIENCES 1,489
  3. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,248
  4. TOYOTA MOTOR CORPORATION 1,043
  5. SIEMENS DE 1,028
  6. CENTRAL SOUTH UNIVERSITY 959
  7. HEWLETT-PACKARD DEVELOPMENT COMPANY US 891
  8. UNITED TECHNOLOGIES CORPORATION (UTC) US 786
  9. UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING 769
  10. JFE STEEL JP 761

Top Applicants (CPC)

Class B22,2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 2,157
  2. HEWLETT-PACKARD DEVELOPMENT COMPANY US 1,633
  3. SIEMENS DE 1,267
  4. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,124
  5. CHINESE ACADEMY OF SCIENCES 1,040
  6. UNITED TECHNOLOGIES CORPORATION (UTC) US 1,015
  7. JFE STEEL JP 884
  8. CENTRAL SOUTH UNIVERSITY 810
  9. HITACHI METALS JP 641
  10. SINTOKOGIO JP 624