Combinations of two or more machines or engines

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES

Subclass:

MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES

Child Classifications

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• F01B 21/02 the machines or engines being all of reciprocating-piston type
• F01B 21/04 the machines or engines being not all of reciprocating-piston type, e.g. of reciprocating steam engine with steam turbine