IPC Main Group
B07B 1/00 Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SEPARATING SOLIDS FROM SOLIDS; SORTING
- Subclass:
- 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
Related Keywords
GRATING(S) for separating or sortingGRIZZLIESRIDDLESSCREEN(S) for sifting or sorting
10 direct subcodes
Child Classifications
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- B07B 1/02 Hand screens
- B07B 1/04 Stationary flat screens
- B07B 1/06 Cone or disc shaped screens
- B07B 1/08 Screens rotating within their own plane
- B07B 1/1 Screens in the form of endless moving bands
- B07B 1/12 Apparatus having only parallel elements
- B07B 1/18 Drum screens
- B07B 1/28 Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting, or wobbling screens
- B07B 1/42 Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
- B07B 1/46 Constructional details of screens in general; Cleaning or heating of screens
Top Applicants
Top 10 applicants by patent filingsfor class B07, 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