Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
F23D 14/00

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

Introduced: January 1985

Last revised: January 2006

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
COMBUSTION APPARATUS; COMBUSTION PROCESSES
Subclass:
BURNERS

10 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • F23D 14/26 with provision for a retention flame
  • F23D 14/28 in association with a gaseous fuel source, e.g. acetylene generator, or a container for liquefied gas
  • F23D 14/3 Inverted burners, e.g. for illumination
  • F23D 14/32 using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air

Top Applicants

Top 10 applicants by patent filingsfor 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