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CPC Subgroup
F26B 17/14

the materials moving through a counter-current of gas

Full Title

Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement (F26B13/00 takes precedence ) > with movement performed solely by gravity > the materials moving through a counter-current of gas

Filing statistics

CPC F26B 17/14 belongs to the parent subclass F26B, which recorded 82,665 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,690 in 2013 to 8,685 in 2023 (+223%), peaking at 12,067 applications in 2020. The most active applicants in class F26 are LG ELECTRONICS (487 applications), DUERR SYSTEMS (205 applications) and SCREEN HOLDINGS (200 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class F26, 2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 487
  2. DUERR SYSTEMS DE 205
  3. SCREEN HOLDINGS JP 200
  4. SEMES COMPANY KR 187
  5. SAMSUNG ELECTRONICS COMPANY KR 181
  6. LG ENERGY SOLUTION KR 178
  7. TOKYO ELECTRON JP 168
  8. LG CHEM KR 166
  9. CHINESE ACADEMY OF SCIENCES 139
  10. SCREEN HOLDINGS 127