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CPC Subgroup Additional Only
F01N 2330/30

Honeycomb supports characterised by their structural details

Full Title

Structure of catalyst support or particle filter > Honeycomb supports characterised by their structural details

8 direct subcodes

Child Classifications

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  • F01N 2330/34 with flow channels of polygonal cross section
  • F01N 2330/36 with flow channels formed by tubes
  • F01N 2330/38 flow channels with means to enhance flow mixing,(e.g. protrusions or projections)
  • F01N 2330/40 made of a single sheet, foil or plate
  • F01N 2330/42 made of three or more different sheets, foils or plates stacked one on the other
  • F01N 2330/44 made of stacks of sheets, plates or foils that are folded in S-form
  • F01N 2330/48 characterised by the number of flow passages, e.g. cell density

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