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PCE
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DIFF Subgroup
F23B 30/06

with fuel supporting surfaces that are specially adapted for advancing fuel through the combustion zone

Introduced: January 2006

Title

Titles differ between systems:

IPC: with fuel-supporting surfaces that are specially adapted for advancing the fuel through the combustion zone

CPC: with fuel supporting surfaces that are specially adapted for advancing fuel through the combustion zone

Full Title

Full titles differ between systems:

IPC:

Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber > with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts > with fuel-supporting surfaces that are specially adapted for advancing the fuel through the combustion zone

CPC:

Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber > with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts > with fuel supporting surfaces that are specially adapted for advancing fuel through the combustion zone

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2006.

Child Classifications

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  • F23B 30/08 with fuel-supporting surfaces that move through the combustion zone, e.g. with chain grates since 2006 IPC+CPC Available in IPC and CPC
  • F23B 30/10 with fuel-supporting surfaces having fuel advancing elements that are movable, but remain essentially in the same place, e.g. with rollers or reciprocating grate bars since 2006 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