characterised by the shape, form or number of corrugations of plates, sheets or foils

Full Title

Structure of catalyst support or particle filter > Honeycomb supports characterised by their structural details > characterised by the shape, form or number of corrugations of plates, sheets or foils

5 direct subcodes

Child Classifications

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F01N 2330/321 with two or more different kinds of corrugations in the same substrate
F01N 2330/322 Corrugations of trapezoidal form
F01N 2330/323 Corrugations of saw-tooth or triangular form
F01N 2330/324 Corrugations of rectangular form
F01N 2330/325 Corrugations of omega form

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