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
Navigate with arrow keys, Enter to open
- F01N 2330/32 characterised by the shape, form or number of corrugations of plates, sheets or foils
- 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
- GE (GENERAL ELECTRIC COMPANY) US 9,989
- UNITED TECHNOLOGIES CORPORATION (UTC) US 8,110
- SAFRAN AIRCRAFT ENGINES FR 6,248
- HYUNDAI MOTOR COMPANY KR 4,530
- SIEMENS DE 4,461
- FORD GLOBAL TECHNOLOGIES US 4,029
- RAYTHEON TECHNOLOGIES CORPORATION US 3,947
- TOYOTA MOTOR CORPORATION JP 3,734
- GE (GENERAL ELECTRIC COMPANY) 3,415
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 3,063