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PCE
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DIFF Subgroup
F23G 5/36

having a conical combustion chamber, e.g. "teepee" incinerators (F23G5/22 takes precedence)

Introduced: January 1985

Title

Titles differ between systems:

IPC: with combustion in a conical combustion chamber, e.g. "teepee" incinerators

CPC: having a conical combustion chamber, e.g. "teepee" incinerators (F23G5/22 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels > with combustion in a conical combustion chamber, e.g. "teepee" incinerators

CPC:

Incineration of waste (of specific waste F23G7/00); Incinerator constructions; Details, accessories or control therefor > having a conical combustion chamber, e.g. "teepee" incinerators (F23G5/22 takes precedence)

No child classifications to compare. This is a leaf node in both 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