DIFF Main Group
F25J 3/00 Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification
Introduced: September 1968
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- F25J 3/02 by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream (F25J3/08 takes precedence ) +3 CPC IPC+CPC Available in IPC and CPC
- F25J 3/06 by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 ) +3 CPC IPC+CPC Available in IPC and CPC
- F25J 3/08 Separating gaseous impurities from gases or gaseous mixtures (cold traps B01D8/00) IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class F25,2013–2023, worldwide · Source: EPO PATSTAT
- HAIER SMART HOME 13,215
- LG ELECTRONICS KR 8,561
- MIDEA 7,315
- GREE ELECTRIC APPLIANCES 6,041
- HEFEI MIDEA REFRIGERATOR COMPANY 5,211
- MITSUBISHI ELECTRIC CORPORATION JP 4,905
- HEFEI HUALING COMPANY 4,633
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,697
- QINGDAO HAIER INTELLIGENT TECHNOLOGY RESEARCH ANDDEVELOPMENT COMPANY 3,376
- HAIER SMART HOME CN 3,265
Top Applicants (CPC)
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