CPC Subgroup
B07B 1/24 with fixed or moving interior agitators
Full Title
Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like > Drum screens > Revolving drums > with fixed or moving interior agitators
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