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PCE
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CPC Subgroup Additional Only
F25J 2205/30

using a washing, e.g. "scrubbing" or bubble column for purification purposes

Full Title

Processes or apparatus using other separation and/or other processing means > using a washing, e.g. "scrubbing" or bubble column for purification purposes

2 direct subcodes

Child Classifications

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  • F25J 2205/32 as direct contact cooling tower to produce a cooled gas stream, e.g. direct contact after cooler [DCAC]
  • F25J 2205/34 as evaporative cooling tower to produce chilled water, e.g. evaporative water chiller [EWC]

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