B07 SEPARATING SOLIDS FROM SOLIDS; SORTING
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SEPARATING SOLIDS FROM SOLIDS; SORTING
Description
B07 covers mechanical separation and sorting processes that divide solid materials into distinct groups based on physical properties such as size, density, shape, or composition. This class encompasses screening equipment, classifiers, density separators, and sorters used across industries including mining, agriculture, waste management, and manufacturing. Excluded are wet separation methods (classified under B03) and magnetic or electrostatic separation of particles (B03B, B03C), though the boundaries with B03 can overlap for combined wet-dry processes.
Filing statistics
IPC B07 recorded 314,200 patent applications worldwide between 2013 and 2023, summed across its 2 subclasses. Annual filings grew from 6,757 in 2013 to 48,664 in 2023 (+620%), peaking at 51,300 applications in 2020. The most active applicants in class B07 are ANHUI JIEXUN OPTOELECTRONIC TECHNOLOGY COMPANY (444 applications), HENAN WINNER VIBRATING EQUIPMENT COMPANY (386 applications) and DERRICK CORPORATION (370 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
2 direct subcodes
Child Classifications
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- B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07C POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
Top Applicants
Top 10 applicants by patent filings, 2013–2023, worldwide · Source: EPO PATSTAT
- ANHUI JIEXUN OPTOELECTRONIC TECHNOLOGY COMPANY 444
- HENAN WINNER VIBRATING EQUIPMENT COMPANY 386
- DERRICK CORPORATION US 370
- SOLYSTIC FR 359
- XINXIANG ZHEN YING MACHINERY EQUIPMENT COMPANY 347
- ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 288
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY 269
- CHINA TOBACCO HENAN INDUSTRIAL 230
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 230
- XINXIANG GAOFU MACHINERY COMPANY 229