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DIFF Main Group
F23G 5/00

Incineration of waste (of specific waste F23G7/00); Incinerator constructions; Details, accessories or control therefor

Introduced: September 1968

Title

Titles differ between systems:

IPC: Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels

CPC: Incineration of waste (of specific waste F23G7/00); Incinerator constructions; Details, accessories or control therefor

Full Title

Full titles differ between systems:

IPC:

Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels

CPC:

Incineration of waste (of specific waste F23G7/00); Incinerator constructions; Details, accessories or control therefor

Additional Content IPC

Incineration of specific waste

Of 15 combined children, 12 exist in both systems.

3 codes are CPC-only extensions.

10 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F23G 5/006 CPC only CPC only
  • F23G 5/008 CPC only CPC only
  • F23G 5/30 having a fluidised bed since 1985 IPC+CPC Available in IPC and CPC
  • F23G 5/32 the waste being subjected to a whirling movement, e.g. cyclonic incinerators since 1985 IPC+CPC Available in IPC and CPC
  • F23G 5/34 the waste being burnt in a pit or arranged in a heap for combustion since 1985 IPC+CPC Available in IPC and CPC
  • F23G 5/36 having a conical combustion chamber, e.g. "teepee" incinerators (F23G5/22 takes precedence) since 1985 IPC+CPC Available in IPC and CPC
  • F23G 5/38 Multi-hearth arrangements since 1985 IPC+CPC Available in IPC and CPC
  • F23G 5/50 Control or safety arrangements since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F23,2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 2,124
  2. XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 1,369
  3. NINGBO FOTILE KITCHENWARE COMPANY 1,363
  4. SIEMENS DE 997
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 937
  6. GE (GENERAL ELECTRIC COMPANY) 898
  7. VATTI 815
  8. CHINESE ACADEMY OF SCIENCES 719
  9. RINNAI COMPANY 708
  10. MITSUBISHI HITACHI POWER SYSTEMS 670

Top Applicants (CPC)

Class F23,2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 2,581
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 1,180
  3. SIEMENS DE 1,157
  4. GE (GENERAL ELECTRIC COMPANY) 994
  5. XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 769
  6. MITSUBISHI HEAVY INDUSTRIES JP 701
  7. MITSUBISHI HITACHI POWER SYSTEMS JP 695
  8. RAYTHEON TECHNOLOGIES CORPORATION US 587
  9. NINGBO FOTILE KITCHENWARE COMPANY 543
  10. GENERAL ELECTRIC TECHNOLOGY CH 490