IPC Subgroup
B03B 9/02 specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like
Introduced: September 1968
Last revised: January 2006
Full Title
General arrangement of separating plant, e.g. flow sheets > specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- Subclass:
- SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
Related Keywords
separation plants for treating OIL(S) shale, destructive distillation of
Top Applicants
Top 10 applicants by patent filingsfor class B03, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY 535
- CENTRAL SOUTH UNIVERSITY 526
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 510
- OUTOTEC (FINLAND) FI 255
- GREE ELECTRIC APPLIANCES 231
- LG ELECTRONICS KR 214
- JIANGXI UNIVERSITY OF SCIENCE AND TECHNOLOGY 214
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 213
- SHANGHAI BIXIUFU ENTERPRISE MANAGEMENT COMPANY CN 208
- NORTHEASTERN UNIVERSITY 196