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CPC Subgroup
F23C 5/08

Disposition of burners

Full Title

Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus (F23C1/00, F23C15/00 take precedence) > Disposition of burners

5 direct subcodes

Child Classifications

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  • F23C 5/14 to obtain a single flame of concentrated or substantially planar form, e.g. pencil or sheet flame (F23C5/32 takes precedence)
  • F23C 5/24 to obtain a loop flame
  • F23C 5/28 to obtain flames in opposing directions, e.g. impacting flames
  • F23C 5/32 to obtain rotating flames, i.e. flames moving helically or spirally

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