F01N 3/00 Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (electric control F01N9/00; monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N11/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
CPC: Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (electric control F01N9/00; monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N11/00)
Full Title
Full titles differ between systems:
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (electric control F01N9/00; monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N11/00)
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F01N 3/01 by means of electric or electrostatic separators since 2000 IPC+CPC Available in IPC and CPC
- F01N 3/02 for cooling, or for removing solid constituents of, exhaust (by means of electric or electrostatic separators F01N3/01 ) +1 CPC IPC+CPC Available in IPC and CPC
- F01N 3/08 for rendering innocuous (using electric or electrostatic separators F01N3/01; chemical aspects B01D53/92) +2 CPC IPC+CPC Available in IPC and CPC