CPC Main Group
B07B 13/00 Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices (grading eggs A01K43/04)
7 direct subcodes
Child Classifications
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- B07B 13/02 Apparatus for grading using pockets for taking out particles from aggregates
- B07B 13/04 according to size
- B07B 13/08 according to weight (B07B13/10 takes precedence)
- B07B 13/10 using momentum effects
- B07B 13/14 Details or accessories
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