Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
Load children
F01N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
Load children
2470/00
Structure or shape of exhaust gas passages, pipes or tubes
Load children Filter patents View analytics View as hierarchy
F01N2470/18
the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
Filter patents View analytics View as hierarchy