Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Main Group Additional Only
F01N 2260/00

Exhaust treating devices having provisions not otherwise provided for

Filing statistics

CPC F01N 2260/00 belongs to the parent subclass F01N, which recorded 80,748 patent applications worldwide between 2013 and 2023. Annual filings declined from 7,362 in 2013 to 4,058 in 2023 (-45%), peaking at 9,617 applications in 2017. The most active applicants in class F01 are GE (GENERAL ELECTRIC COMPANY) (9,989 applications), UNITED TECHNOLOGIES CORPORATION (UTC) (8,110 applications) and SAFRAN AIRCRAFT ENGINES (6,248 applications).

Source: EPO PATSTAT, worldwide filings

13 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • F01N 2260/04 for regeneration or reactivation, e.g. of catalyst
  • F01N 2260/06 for improving exhaust evacuation or circulation, or reducing back-pressure
  • F01N 2260/08 for preventing heat loss or temperature drop, using other means than layers of heat-insulating material
  • F01N 2260/10 for avoiding stress caused by expansions or contractions due to temperature variations
  • F01N 2260/12 for resisting high pressure
  • F01N 2260/14 for modifying or adapting flow area or back-pressure
  • F01N 2260/16 for reducing exhaust flow pulsations
  • F01N 2260/18 for improving rigidity, e.g. by wings, ribs
  • F01N 2260/20 for heat or sound protection, e.g. using a shield or specially shaped outer surface of exhaust device
  • F01N 2260/22 for preventing theft of exhaust parts or devices, e.g. anti-theft arrangements
  • F01N 2260/24 for identifying exhaust parts or devices, e.g. by labels, stickers or directly printing
  • F01N 2260/26 for preventing enter of dirt into the device

Top Applicants

Top 10 applicants by patent filingsfor class F01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 9,989
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 8,110
  3. SAFRAN AIRCRAFT ENGINES FR 6,248
  4. HYUNDAI MOTOR COMPANY KR 4,530
  5. SIEMENS DE 4,461
  6. FORD GLOBAL TECHNOLOGIES US 4,029
  7. RAYTHEON TECHNOLOGIES CORPORATION US 3,947
  8. TOYOTA MOTOR CORPORATION JP 3,734
  9. GE (GENERAL ELECTRIC COMPANY) 3,415
  10. SCHAEFFLER TECHNOLOGIES & COMPANY DE 3,063