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PCE
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CPC Subgroup
F26B 5/06

the process involving freezing

Full Title

Drying solid materials or objects by processes not involving the application of heat (separating liquids from solids by straining B01D; replacing liquids in wet solids by other liquids, e.g. water by spirit, B01D12/00; drying by electrophoresis B01J) > by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum > the process involving freezing

1 direct subcode

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