DIFF Main Group
F17C 13/00 Details of vessels or of the filling or discharging of vessels
Introduced: September 1968
Of 11 combined children, 6 exist in both systems.
5 codes are CPC-only extensions.
4 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F17C 13/02 Special adaptations of indicating, measuring, or monitoring equipment (measuring in general G01) +5 CPC IPC+CPC Available in IPC and CPC
- F17C 13/04 Arrangement or mounting of valves (valves per se F16K ) +1 CPC IPC+CPC Available in IPC and CPC
- F17C 13/06 Closures, e.g. cap, breakable member (; closures for containers in general B65D ; ) IPC+CPC Available in IPC and CPC
- F17C 13/12 Arrangements or mounting of devices for preventing or minimising the effect of explosion (flame traps A62C4/00 ) +2 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class F17,2013–2023, worldwide · Source: EPO PATSTAT
- DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 1,622
- GAZ TRANSPORT ET TECHNIGAZ FR 1,588
- L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,470
- SAMSUNG HEAVY INDUSTRIES KR 1,287
- HYUNDAI HEAVY INDUSTRIES COMPANY KR 989
- TOYOTA MOTOR CORPORATION 830
- LINDE DE 703
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 666
- ROBERT BOSCH DE 654
- BMW (BAYERISCHE MOTOREN WERKE) DE 511
Top Applicants (CPC)
Class F17,2013–2023, worldwide · Source: EPO PATSTAT
- GAZ TRANSPORT ET TECHNIGAZ FR 1,718
- L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,633
- DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 1,570
- SAMSUNG HEAVY INDUSTRIES KR 1,174
- HYUNDAI HEAVY INDUSTRIES COMPANY KR 988
- LINDE DE 757
- ROBERT BOSCH DE 696
- BMW (BAYERISCHE MOTOREN WERKE) DE 523
- TOYOTA MOTOR CORPORATION JP 515
- KAWASAKI HEAVY IND JP 456