CPC Main Group Additional Only
B22F 2202/00 Treatment under specific physical conditions
10 direct subcodes
Child Classifications
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- B22F 2202/01 Use of vibrations
- B22F 2202/03 Treatment under cryogenic or supercritical conditions
- B22F 2202/05 Use of magnetic field
- B22F 2202/06 Use of electric fields
- B22F 2202/07 by induction
- B22F 2202/09 Use of non-gravitational conditions
- B22F 2202/11 Use of irradiation
- B22F 2202/13 Use of plasma
- B22F 2202/15 Use of fluidised beds
- B22F 2202/17 use of centrifugal or vortex forces
Top Applicants
Top 10 applicants by patent filingsfor class B22, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 2,157
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 1,633
- SIEMENS DE 1,267
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,124
- CHINESE ACADEMY OF SCIENCES 1,040
- UNITED TECHNOLOGIES CORPORATION (UTC) US 1,015
- JFE STEEL JP 884
- CENTRAL SOUTH UNIVERSITY 810
- HITACHI METALS JP 641
- SINTOKOGIO JP 624