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CPC Subgroup
B07B 13/075

Apparatus comprising moving article - receiving openings, the size of which varies as they move

Full Title

Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices (grading eggs A01K43/04) > according to size > Apparatus comprising moving article - receiving openings, the size of which varies as they move

Top Applicants

Top 10 applicants by patent filingsfor class B07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. DERRICK CORPORATION US 427
  2. SOLYSTIC FR 370
  3. M-I SWACO US 223
  4. SATAKE CORPORATION JP 190
  5. ANHUI JIEXUN OPTOELECTRONIC TECHNOLOGY COMPANY 186
  6. SIEMENS DE 175
  7. UNITED STATES POSTAL SERVICE US 158
  8. ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 156
  9. UNITEC IT 150
  10. XINXIANG ZHEN YING MACHINERY EQUIPMENT COMPANY 149