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CPC Main Group Additional Only
F01N 2340/00

Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the exhaust apparatus; Spatial arrangements of exhaust apparatuses

4 direct subcodes

Child Classifications

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  • F01N 2340/02 Distance of the exhaust apparatus to the engine or between two exhaust apparatuses
  • F01N 2340/04 Arrangement of the exhaust system relative to a vehicle or parts thereof
  • F01N 2340/06 Arrangement of the exhaust apparatus relative to the turbine of a turbocharger
  • F01N 2340/08 Series-connected exhaust apparatuses mounted in a side-by-side spatial arrangement, e.g. U- or S-shaped

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