Fluid handling related problems

Full Title

Solutions for specific problems relating to chemical or physical laboratory apparatus > Fluid handling related problems

Filing statistics

CPC B01L 2200/06 belongs to the parent subclass B01L, which recorded 97,644 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,285 in 2013 to 6,883 in 2023 (+10%), peaking at 10,791 applications in 2021. The most active applicants in class B01 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (10,345 applications), CHINESE ACADEMY OF SCIENCES (8,352 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (5,134 applications).

Source: EPO PATSTAT, worldwide filings

14 direct subcodes

Child Classifications

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B01L 2200/0605 Metering of fluids
B01L 2200/061 Counting droplets
B01L 2200/0615 Loss of fluid by dripping
B01L 2200/0621 Control of the sequence of chambers filled or emptied
B01L 2200/0626 using levitated droplets
B01L 2200/0631 Purification arrangements, e.g. solid phase extraction [SPE]
B01L 2200/0636 Focussing flows, e.g. to laminate flows
B01L 2200/0642 Filling fluids into wells by specific techniques
B01L 2200/0647 Handling flowable solids, e.g. microscopic beads, cells, particles
B01L 2200/0673 Handling of plugs of fluid surrounded by immiscible fluid
B01L 2200/0678 Facilitating or initiating evaporation
B01L 2200/0684 Venting, avoiding backpressure, avoid gas bubbles
B01L 2200/0689 Sealing
B01L 2200/0694 Creating chemical gradients in a fluid

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