CPC Subgroup Additional Only
F17C 2205/0352 Pipes
Full Title
Vessel construction, in particular mounting arrangements, attachments or identifications means > Fluid connections, filters, valves, closure means or other attachments > Fittings, valves, filters, or components in connection with the gas storage device > Pipes
5 direct subcodes
Child Classifications
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- F17C 2205/0355 Insulation thereof
- F17C 2205/0358 coaxial
- F17C 2205/0361 corrugated
- F17C 2205/0364 flexible or articulated, e.g. a hose
- F17C 2205/0367 Arrangements in parallel
Top Applicants
Top 10 applicants by patent filingsfor 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