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CPC Subgroup Additional Only
Y10S 210/918

Miscellaneous specific techniques

Full Title

Liquid purification or separation > Miscellaneous specific techniques

Filing statistics

CPC Y10S 210/918 belongs to the parent subclass Y10S, which recorded 68,800 patent applications worldwide between 2013 and 2023. Annual filings declined from 13,876 in 2013 to 1,199 in 2023 (-91%). The most active applicants in class Y10 are BOEING COMPANY (2,373 applications), FORD GLOBAL TECHNOLOGIES (2,244 applications) and HYUNDAI MOTOR COMPANY (2,186 applications).

Source: EPO PATSTAT, worldwide filings

5 direct subcodes

Child Classifications

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  • Y10S 210/919 using combined systems by merging parallel diverse waste systems
  • Y10S 210/92 using combined systems of sequential local and regional or municipal sewage systems
  • Y10S 210/921 Flow equalization or time controlled stages or cycles
  • Y10S 210/926 using oxidation ditch, e.g. carousel

Top Applicants

Top 10 applicants by patent filingsfor class Y10, 2013–2023, worldwide · Source: EPO PATSTAT

  1. BOEING COMPANY US 2,373
  2. FORD GLOBAL TECHNOLOGIES US 2,244
  3. HYUNDAI MOTOR COMPANY KR 2,186
  4. TOYOTA MOTOR CORPORATION JP 1,997
  5. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
  6. GE (GENERAL ELECTRIC COMPANY) US 1,794
  7. SAMSUNG ELECTRONICS COMPANY KR 1,705
  8. CORNING US 1,569
  9. TOYOTA MOTOR CORPORATION 1,403
  10. LG CHEM KR 1,364