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CPC Subgroup Additional Only
F01N 2330/02

Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal

Full Title

Structure of catalyst support or particle filter > Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal

1 direct subcode

Child Classifications

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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