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PCE
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Search for IPC and CPC classification codes or keywords
CPC Subgroup
F23B 90/06

the primary combustion being a gasification or pyrolysis in a reductive atmosphere

Full Title

Combustion methods not related to a particular type of apparatus > including secondary combustion (in separate combustion chambers F23B10/02) > the primary combustion being a gasification or pyrolysis in a reductive atmosphere

Top Applicants

Top 10 applicants by patent filingsfor 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