Branching pipes; Joining pipes to walls (F16L39/00 takes precedence )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Branching pipes; Joining pipes to walls

CPC: Branching pipes; Joining pipes to walls (F16L39/00 takes precedence )

Full titles differ between systems:

IPC:

Branching pipes; Joining pipes to walls

CPC:

Branching pipes; Joining pipes to walls (F16L39/00 takes precedence )

CPC subdivides this area 3x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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F16L 41/001 CPC only CPC only
F16L 41/002 CPC only CPC only
F16L 41/004 CPC only CPC only
F16L 41/005 CPC only CPC only
F16L 41/007 CPC only CPC only
F16L 41/008 CPC only CPC only
F16L 41/02 Branch units, e.g. made in one piece, welded, riveted +5 CPC IPC+CPC Available in IPC and CPC
F16L 41/04 Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor +1 CPC IPC+CPC Available in IPC and CPC
F16L 41/08 Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe (F16L41/02 takes precedence) since 1974 +3 CPC IPC+CPC Available in IPC and CPC
F16L 41/18 the branch pipe being movable since 2000 IPC+CPC Available in IPC and CPC

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

Class F16,2013–2023, worldwide · Source: EPO PATSTAT