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PCE
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DIFF Subgroup
B08B 9/049

having self-contained propelling means for moving the cleaning devices along the pipes

Introduced: January 2000

Full Title

Full titles differ between systems:

IPC:

Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning pipes or tubes or systems of pipes or tubes > Cleaning the internal surfaces; Removal of blockages > using cleaning devices introduced into and moved along the pipes > having self-contained propelling means for moving the cleaning devices along the pipes

CPC:

Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04) > Cleaning the internal surfaces; Removal of blockages > using cleaning devices introduced into and moved along the pipes > having self-contained propelling means for moving the cleaning devices along the pipes

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

IPC defines codes here since 2000.

Child Classifications

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  • B08B 9/0492 CPC only CPC only
  • B08B 9/051 the cleaning devices having motors for powering cleaning tools since 2000 IPC+CPC Available in IPC and CPC