DIFF Main Group
B01F 25/00 Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04)
Introduced: January 2022
Title
Titles differ between systems:
IPC: Flow mixers; Mixers for falling materials, e.g. solid particles
CPC: Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04)
Full Title
Full titles differ between systems:
IPC:
Flow mixers; Mixers for falling materials, e.g. solid particles
CPC:
Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04)
Of 13 combined children, 8 exist in both systems.
5 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B01F 25/10 Mixing by creating a vortex flow, e.g. by tangential introduction of flow components since 2022 +4 CPC IPC+CPC Available in IPC and CPC
- B01F 25/20 Jet mixers, i.e. mixers using high-speed fluid streams (using jets to create vortex flow B01F25/10) since 2022 +1 CPC IPC+CPC Available in IPC and CPC
- B01F 25/30 Injector mixers (mixing by creating vortex flow B01F25/10) since 2022 +1 CPC IPC+CPC Available in IPC and CPC
- B01F 25/40 Static mixers (colloid-mills B02C; mixing valves F16K11/00) since 2022 +1 CPC IPC+CPC Available in IPC and CPC
- B01F 25/50 Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle since 2022 IPC+CPC Available in IPC and CPC
- B01F 25/70 Spray-mixers, e.g. for mixing intersecting sheets of material since 2022 IPC+CPC Available in IPC and CPC
- B01F 25/80 Falling particle mixers, e.g. with repeated agitation along a vertical axis since 2022 +1 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