Monitoring; Testing (measuring in general G01);

Introduced: September 1968

Title

Titles differ between systems:

IPC: Monitoring; Testing

CPC: Monitoring; Testing (measuring in general G01);

Full titles differ between systems:

IPC:

Monitoring; Testing

CPC:

Monitoring; Testing (measuring in general G01);

Of 9 combined children, 7 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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G21C 17/001 CPC only CPC only
G21C 17/002 CPC only CPC only
G21C 17/003 Remote inspection of vessels, e.g. pressure vessels since 1990 IPC+CPC Available in IPC and CPC
G21C 17/017 Inspection or maintenance of pipe-lines or tubes in nuclear installations since 1990 IPC+CPC Available in IPC and CPC
G21C 17/02 Devices or arrangements for monitoring coolant or moderator +1 CPC IPC+CPC Available in IPC and CPC
G21C 17/06 Devices or arrangements for monitoring or testing fuel or fuel elements outside the reactor core, e.g. for burn-up, for contamination (G21C17/08, G21C17/10 take precedence; detecting leaking fuel elements during reactor operation G21C17/04) +2 CPC IPC+CPC Available in IPC and CPC
G21C 17/08 Structural combination of reactor core or moderator structure with viewing means, e.g. with television camera, periscope, window IPC+CPC Available in IPC and CPC
G21C 17/10 Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain +1 CPC IPC+CPC Available in IPC and CPC
G21C 17/14 Period meters IPC+CPC Available in IPC and CPC

Class G21,2013–2023, worldwide · Source: EPO PATSTAT

Class G21,2013–2023, worldwide · Source: EPO PATSTAT