B01D 24/00 Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (B01D27/02 takes precedence)
Introduced: January 1990
Title
Titles differ between systems:
IPC: Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
CPC: Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (B01D27/02 takes precedence)
Full Title
Full titles differ between systems:
Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (B01D27/02 takes precedence)
Of 10 combined children, 7 exist in both systems.
3 codes are CPC-only extensions.
4 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- B01D 24/02 with the filter bed stationary during the filtration since 1990 IPC+CPC Available in IPC and CPC
- B01D 24/28 with the filter bed moving during the filtration (with the filter bed fluidised B01D24/36) since 1990 IPC+CPC Available in IPC and CPC
- B01D 24/34 with the filtering material and its pervious support moving (tipping buckets, trays or like sections B01D33/327) since 1990 IPC+CPC Available in IPC and CPC
- B01D 24/36 with the filter bed fluidised during the filtration (with the filter bed being stationary B01D24/02) since 1990 IPC+CPC Available in IPC and CPC
- B01D 24/46 Regenerating the filtering material in the filter (B01D24/44 takes precedence) since 1990 +5 CPC IPC+CPC Available in IPC and CPC
- B01D 24/48 integrally combined with devices for controlling the filtration since 1990 +7 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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