CPC Subgroup Additional Only
F25J 2215/56 Ultra high purity oxygen, i.e. generally more than 99,9% O2
Full Title
Processes characterised by the type or other details of the product stream > Oxygen or special cases, e.g. isotope-mixtures or low purity O2 > Ultra high purity oxygen, i.e. generally more than 99,9% O2
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