CPC Subgroup Additional Only
B01J 2219/322 Basic shape of the elements
Full Title
Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer > Basic shape of the elements
6 direct subcodes
Child Classifications
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- B01J 2219/32203 Sheets
- B01J 2219/32279 Tubes or cylinders
- B01J 2219/32282 Rods or bars
- B01J 2219/32286 Grids or lattices
- B01J 2219/32293 Cubes or cubic blocks
- B01J 2219/32296 Honeycombs
Top Applicants
Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
- CHINESE ACADEMY OF SCIENCES 8,352
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
- LG CHEM KR 4,290
- SAUDI ARABIAN OIL COMPANY SA 3,444
- IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
- DOW GLOBAL TECHNOLOGIES US 3,195
- MANN + HUMMEL DE 2,822
- JOHNSON MATTHEY GB 2,802
- UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737