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 2205/02 using simple phase separation in a vessel or drum
- 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 2205/30 using a washing, e.g. "scrubbing" or bubble column for purification purposes
- 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 2205/60 using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
- 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
- LG ELECTRONICS KR 9,415
- HAIER SMART HOME 8,015
- MITSUBISHI ELECTRIC CORPORATION JP 5,758
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,827
- MIDEA 3,769
- GREE ELECTRIC APPLIANCES 3,417
- HAIER SMART HOME CN 3,403
- SAMSUNG ELECTRONICS COMPANY KR 3,329
- DAIKIN INDUSTRIES JP 2,908
- HEFEI MIDEA REFRIGERATOR COMPANY 2,186