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IPC Main Group
F23C 13/00

Apparatus in which combustion takes place in the presence of catalytic material

Introduced: January 2006

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
COMBUSTION APPARATUS; COMBUSTION PROCESSES
Subclass:
METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN AIR

Related Keywords

combustion apparatus using CATALYSIS

4 direct subcodes

Child Classifications

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  • F23C 13/02 characterised by arrangements for starting the operation, e.g. for heating the catalytic material to operating temperature
  • F23C 13/04 characterised by the arrangement of two or more catalytic elements in series connection
  • F23C 13/06 in which non-catalytic combustion takes place in addition to catalytic combustion, e.g. downstream of a catalytic element
  • F23C 13/08 characterised by the catalytic material

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