Arrangements for the insulation of pipes or pipe systems (F16L59/02 - F16L59/12 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Arrangements for the insulation of pipes or pipe systems

CPC: Arrangements for the insulation of pipes or pipe systems (F16L59/02 - F16L59/12 take precedence)

Full titles differ between systems:

IPC:

Thermal insulation in general > Arrangements for the insulation of pipes or pipe systems

CPC:

Thermal insulation in general > Arrangements for the insulation of pipes or pipe systems (F16L59/02 - F16L59/12 take precedence)

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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F16L 59/141 CPC only CPC only
F16L 59/143 CPC only CPC only
F16L 59/145 CPC only CPC only
F16L 59/147 the insulation being located inwardly of the outer surface of the pipe since 1990 IPC+CPC Available in IPC and CPC
F16L 59/15 for underground pipes since 2000 IPC+CPC Available in IPC and CPC
F16L 59/153 for flexible pipes since 1990 IPC+CPC Available in IPC and CPC
F16L 59/16 Arrangements specially adapted to local requirements at flanges, junctions, valves or the like +5 CPC IPC+CPC Available in IPC and CPC

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

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