B01J 8/24 according to "fluidised-bed" technique
Introduced: July 1974
Last revised: January 2006
Full Title
Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes > with fluidised particles > according to "fluidised-bed" technique
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
Filing statistics
IPC B01J 8/24 belongs to the parent subclass B01J, which recorded 498,869 patent applications worldwide between 2013 and 2023. Annual filings grew from 29,790 in 2013 to 56,315 in 2023 (+89%). The most active applicants in class B01 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (16,893 applications), CHINESE ACADEMY OF SCIENCES (11,733 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (3,898 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
9 direct subcodes
Child Classifications
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- B01J 8/26 with two or more fluidised beds, e.g. reactor and regeneration installations
- B01J 8/32 with introduction into the fluidised bed of more than one kind of moving particles
- B01J 8/34 with stationary packing material in the fluidised bed, e.g. bricks, wire rings, baffles
- B01J 8/36 with fluidised bed through which there is an essentially horizontal flow of particles
- B01J 8/38 with fluidised bed containing a rotatable device or being subject to rotation
- B01J 8/4 with fluidised bed subjected to vibrations or pulsations
- B01J 8/42 with fluidised bed subjected to electric current or to radiations
- B01J 8/44 Fluidisation grids
- B01J 8/46 for treatment of endless filamentary, band or sheet material
Top Applicants
Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 16,893
- CHINESE ACADEMY OF SCIENCES 11,733
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 3,898
- LG CHEM KR 3,367
- PETROCHINA COMPANY 3,224
- IFPEN (IFP ENERGIES NOUVELLES) FR 3,042
- ZHEJIANG UNIVERSITY 2,890
- MANN + HUMMEL DE 2,740
- JOHNSON MATTHEY GB 2,534
- SAUDI ARABIAN OIL COMPANY SA 2,527