CPC Main Group Additional Only
B07B 2201/00 Details applicable to machines for screening using sieves or gratings
2 direct subcodes
Child Classifications
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- B07B 2201/02 Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
- B07B 2201/04 Multiple deck screening devices comprising one or more superimposed screens
Top Applicants
Top 10 applicants by patent filingsfor class B07, 2013–2023, worldwide · Source: EPO PATSTAT
- DERRICK CORPORATION US 427
- SOLYSTIC FR 370
- M-I SWACO US 223
- SATAKE CORPORATION JP 190
- ANHUI JIEXUN OPTOELECTRONIC TECHNOLOGY COMPANY 186
- SIEMENS DE 175
- UNITED STATES POSTAL SERVICE US 158
- ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 156
- UNITEC IT 150
- XINXIANG ZHEN YING MACHINERY EQUIPMENT COMPANY 149