CPC Subgroup Additional Only
F01N 2900/16 said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
Full Title
Details of electrical control or of the monitoring of the exhaust gas treating apparatus > Parameters used for exhaust control or diagnosing > said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
13 direct subcodes
Child Classifications
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- F01N 2900/1602 Temperature of exhaust gas apparatus
- F01N 2900/1606 Particle filter loading or soot amount
- F01N 2900/1611 Particle filter ash amount
- F01N 2900/1612 SOx amount trapped in catalyst
- F01N 2900/1614 NOx amount trapped in catalyst
- F01N 2900/1616 NH3-slip from catalyst
- F01N 2900/1618 HC-slip from catalyst
- F01N 2900/1621 Catalyst conversion efficiency
- F01N 2900/1622 Catalyst reducing agent absorption capacity or consumption amount
- F01N 2900/1624 Catalyst oxygen storage capacity
- F01N 2900/1626 Catalyst activation temperature
- F01N 2900/1628 Moisture amount in exhaust apparatus
- F01N 2900/1631 Heat amount provided to exhaust apparatus
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