Exhaust or silencing apparatus characterised by constructional features

Child Classifications

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• F01N 13/001 CPC only CPC only
• F01N 13/002 CPC only CPC only
• F01N 13/004 +1 CPC CPC only CPC only
• F01N 13/007 CPC only CPC only
• F01N 13/008 CPC only CPC only
• F01N 13/009 +2 CPC CPC only CPC only
• F01N 13/011 +1 CPC CPC only CPC only
• F01N 13/02 having two or more separate silencers in series since 2010 IPC+CPC Available in IPC and CPC
• F01N 13/04 having two or more silencers in parallel, e.g. having interconnections for multi-cylinder engines since 2010 IPC+CPC Available in IPC and CPC
• F01N 13/06 specially adapted for star-arrangement of cylinders, e.g. exhaust manifolds since 2010 IPC+CPC Available in IPC and CPC
• F01N 13/08 Other arrangements or adaptations of exhaust conduits since 2010 +3 CPC IPC+CPC Available in IPC and CPC
• F01N 13/12 specially adapted for submerged exhausting since 2010 IPC+CPC Available in IPC and CPC
• F01N 13/14 having thermal insulation since 2010 +2 CPC IPC+CPC Available in IPC and CPC
• F01N 13/16 Selection of particular materials since 2010 IPC+CPC Available in IPC and CPC
• F01N 13/18 Construction facilitating manufacture, assembly, or disassembly since 2010 +7 CPC IPC+CPC Available in IPC and CPC
• F01N 13/20 having flared outlets, e.g. of fish-tail shape since 2010 IPC+CPC Available in IPC and CPC