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CPC Main Group
F23D 14/00

Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid

10 direct subcodes

Child Classifications

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  • F23D 14/26 with provision for a retention flame (pilot flame igniters F23Q9/00)
  • F23D 14/28 in association with a gaseous fuel source, e.g. acetylene generator, or a container for liquefied gas
  • F23D 14/30 Inverted burners, e.g. for illumination
  • F23D 14/32 using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air (F23D14/38 takes precedence)

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