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CPC Main Group Additional Only
F25J 2205/00

Processes or apparatus using other separation and/or other processing means

13 direct subcodes

Child Classifications

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  • F25J 2205/10 using combined expansion and separation, e.g. in a vortex tube, "Ranque tube" or a "cyclonic fluid separator", i.e. combination of an isentropic nozzle and a cyclonic separator; Centrifugal separation
  • F25J 2205/20 using solidification of components
  • F25J 2205/24 using regenerators, cold accumulators or reversible heat exchangers
  • F25J 2205/40 using hybrid system, i.e. combining cryogenic and non-cryogenic separation techniques
  • F25J 2205/50 using absorption, i.e. with selective solvents or lean oil, heavier CnHm and including generally a regeneration step for the solvent or lean oil
  • F25J 2205/80 using membrane, i.e. including a permeation step
  • F25J 2205/82 using a reactor with combustion or catalytic reaction
  • F25J 2205/84 using filter
  • F25J 2205/86 using electrical phenomena, e.g. Corona discharge, electrolysis or magnetic field
  • F25J 2205/90 Mixing of components

Top Applicants

Top 10 applicants by patent filingsfor class F25, 2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 9,415
  2. HAIER SMART HOME 8,015
  3. MITSUBISHI ELECTRIC CORPORATION JP 5,758
  4. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,827
  5. MIDEA 3,769
  6. GREE ELECTRIC APPLIANCES 3,417
  7. HAIER SMART HOME CN 3,403
  8. SAMSUNG ELECTRONICS COMPANY KR 3,329
  9. DAIKIN INDUSTRIES JP 2,908
  10. HEFEI MIDEA REFRIGERATOR COMPANY 2,186