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CPC Main Group Additional Only
F01N 2610/00

Adding substances to exhaust gases

11 direct subcodes

Child Classifications

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  • F01N 2610/01 the substance being catalytic material in liquid form
  • F01N 2610/02 the substance being ammonia or urea
  • F01N 2610/03 the substance being hydrocarbons, e.g. engine fuel
  • F01N 2610/04 the substance being hydrogen
  • F01N 2610/05 the substance being carbon monoxide
  • F01N 2610/06 the substance being in the gaseous form
  • F01N 2610/11 the substance or part of the dosing system being cooled
  • F01N 2610/12 the substance being in solid form, e.g. pellets or powder

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