Non-permanent measures for connecting different parts of the filter

Full Title

Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours > Non-permanent measures for connecting different parts of the filter

7 direct subcodes

Child Classifications

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B01D 2265/021 Anti-rotational means
B01D 2265/022 Bayonet connecting means
B01D 2265/023 making use of magnetic forces
B01D 2265/024 Mounting aids
B01D 2265/027 Quick closing means for, e.g. filter heads, caps, maintenance openings
B01D 2265/028 Snap, latch or clip connecting means
B01D 2265/029 Special screwing connections, threaded sections

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