F01N2250/00 - CPC Classification Index

ClassID:

137990 ⎘

F01N2250/00 - CPC Classification

Classification description:

Combinations of different methods of purification

Sub-classes:

F01N2250/02 » filtering and catalytic conversion 425
F01N2250/04 » afterburning and catalytic conversion 23
F01N2250/06 » afterburning and filtering 19
F01N2250/08 » filtering and inertial particulate separation 4
F01N2250/10 » cooling and filtering 13
F01N2250/12 » absorption or adsorption, and catalytic conversion 154
F01N2250/14 » absorption or adsorption, and filtering 70

Recent Application in this class:

20210372308

EXHAUST GAS TREATMENT SYSTEM AND METHOD

20190234282

Monitoring a pressure sensor in a hydraulic system of a motor vehicle

20110005201

Exhaust gas apparatus of an internal combustion engine

20050199408

Arcing electron stream apparatus and method