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CPC Main Group
C10H 21/00

Details of acetylene generators; Accessory equipment for, or features of, the wet production of acetylene

6 direct subcodes

Child Classifications

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  • C10H 21/08 Safety devices for acetylene generators
  • C10H 21/10 Carbide compositions
  • C10H 21/12 Gas-tight sealing means, e.g. liquid seals in generators
  • C10H 21/14 Ventilation means; Cooling devices
  • C10H 21/16 Removing sludge from generators

Top Applicants

Top 10 applicants by patent filingsfor class C10, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,831
  2. SAUDI ARABIAN OIL COMPANY SA 2,918
  3. IFPEN (IFP ENERGIES NOUVELLES) FR 2,305
  4. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 2,282
  5. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,268
  6. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 2,124
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,487
  8. CHEVRON CORPORATION US 1,400
  9. PETROCHINA COMPANY 1,372
  10. LUBRIZOL CORPORATION US 1,324