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IPC Subgroup
B01F 33/501

Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use

Introduced: January 2022

Full Title

Other mixers; Mixing plants; Combinations of mixers > Movable or transportable mixing devices or plants > Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Subclass:
MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING

Filing statistics

IPC B01F 33/501 belongs to the parent subclass B01F, which recorded 429,342 patent applications worldwide between 2013 and 2023. Annual filings grew from 10,442 in 2013 to 66,296 in 2023 (+535%), peaking at 69,567 applications in 2020. The most active applicants in class B01 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (16,893 applications), CHINESE ACADEMY OF SCIENCES (11,733 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (3,898 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

Machines for domestic use in mixing of food, not covered elsewhere, e.g. hand mixers used in kitchens

Top Applicants

Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 16,893
  2. CHINESE ACADEMY OF SCIENCES 11,733
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 3,898
  4. LG CHEM KR 3,367
  5. PETROCHINA COMPANY 3,224
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,042
  7. ZHEJIANG UNIVERSITY 2,890
  8. MANN + HUMMEL DE 2,740
  9. JOHNSON MATTHEY GB 2,534
  10. SAUDI ARABIAN OIL COMPANY SA 2,527