in conduits or tubes through which the main component flows

Introduced: January 2022

Full Title

Full titles differ between systems:

IPC:

Flow mixers; Mixers for falling materials, e.g. solid particles > Injector mixers > in conduits or tubes through which the main component flows

CPC:

Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04) > Injector mixers (mixing by creating vortex flow B01F25/10) > in conduits or tubes through which the main component flows

Additional Content IPC

Mixing devices for gas burners

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2022.

Child Classifications

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B01F 25/311 +1 CPC CPC only CPC only
B01F 25/312 with Venturi elements; Details thereof since 2022 +5 CPC IPC+CPC Available in IPC and CPC
B01F 25/313 wherein additional components are introduced in the centre of the conduit since 2022 +3 CPC IPC+CPC Available in IPC and CPC
B01F 25/314 wherein additional components are introduced at the circumference of the conduit since 2022 +3 CPC IPC+CPC Available in IPC and CPC
B01F 25/315 wherein a difference of pressure at different points of the conduit causes introduction of the additional component into the main component (B01F25/316 takes precedence) since 2022 IPC+CPC Available in IPC and CPC
B01F 25/316 with containers for additional components fixed to the conduit since 2022 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