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CPC Subgroup
F17C 5/04

requiring the use of refrigeration, e.g. filling with helium or hydrogen

Full Title

Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures (adding propellants to aerosol containers B65B31/00) > for filling with liquefied gases > requiring the use of refrigeration, e.g. filling with helium or hydrogen

Top Applicants

Top 10 applicants by patent filingsfor class F17, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GAZ TRANSPORT ET TECHNIGAZ FR 1,718
  2. L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,633
  3. DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 1,570
  4. SAMSUNG HEAVY INDUSTRIES KR 1,174
  5. HYUNDAI HEAVY INDUSTRIES COMPANY KR 988
  6. LINDE DE 757
  7. ROBERT BOSCH DE 696
  8. BMW (BAYERISCHE MOTOREN WERKE) DE 523
  9. TOYOTA MOTOR CORPORATION JP 515
  10. KAWASAKI HEAVY IND JP 456