DIFF Subgroup
F17B 1/24 of dry type
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Gas-holders of variable capacity > of dry type
CPC:
Gas-holders of variable capacity (large containers in general B65D88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G5/00) > of dry type
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F17B 1/26 with flexible walls, e.g. bellows (connection of valves to inflatable elastic bodies B60C29/00) 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