C02F 11/15 by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves (for the purpose of heating C02F11/131)
Introduced: January 2019
Title
Titles differ between systems:
IPC: by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves
CPC: by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves (for the purpose of heating C02F11/131)
Full Title
Full titles differ between systems:
Treatment of sludge; Devices therefor > by de-watering, drying or thickening > by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves
Treatment of sludge; Devices therefor > by de-watering, drying or thickening > by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves (for the purpose of heating C02F11/131)
Additional Content IPC
De-watering or drying of sludge by heating using electromagnetic or ultrasonic waves
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class C02,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 3,734
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 2,761
- MIDEA 1,938
- TONGJI UNIVERSITY 1,433
- HARBIN INSTITUTE OF TECHNOLOGY 1,380
- HOHAI UNIVERSITY 1,367
- BEIJING UNIVERSITY OF TECHNOLOGY 1,317
- CHANGZHOU UNIVERSITY 1,248
- ZHEJIANG UNIVERSITY 1,229
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY 1,203
Top Applicants (CPC)
Class C02,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 2,531
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 1,700
- KURITA WATER IND JP 1,287
- TONGJI UNIVERSITY 1,040
- CHANGZHOU UNIVERSITY 928
- ECOLAB US 904
- HARBIN INSTITUTE OF TECHNOLOGY 904
- BEIJING UNIVERSITY OF TECHNOLOGY 878
- HOHAI UNIVERSITY 862
- EVOQUA WATER TECHNOLOGIES US 842