CPC Main Group Additional Only
F01N 2610/00 Adding substances to exhaust gases
11 direct subcodes
Child Classifications
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- F01N 2610/01 the substance being catalytic material in liquid form
- F01N 2610/02 the substance being ammonia or urea
- F01N 2610/03 the substance being hydrocarbons, e.g. engine fuel
- F01N 2610/04 the substance being hydrogen
- F01N 2610/05 the substance being carbon monoxide
- F01N 2610/06 the substance being in the gaseous form
- F01N 2610/08 with prior mixing of the substances with a gas, e.g. air
- F01N 2610/10 the substance being heated, e.g. by heating tank or supply line of the added substance
- F01N 2610/11 the substance or part of the dosing system being cooled
- F01N 2610/12 the substance being in solid form, e.g. pellets or powder
- F01N 2610/14 Arrangements for the supply of substances, e.g. conduits
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