G05D 11/02 Controlling ratio of two or more flows of fluid or fluent material
Full Title
Control of flow ratio (control of chemical or physico-chemical variables, e.g. pH-value, G05D21/00; control of humidity G05D22/00; control of temperature by varying the mixing ratio of two fluids having different temperatures G05D23/13; control of viscosity G05D24/00) > Controlling ratio of two or more flows of fluid or fluent material
Filing statistics
CPC G05D 11/02 belongs to the parent subclass G05D, which recorded 227,290 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,629 in 2013 to 16,612 in 2023 (+118%), peaking at 30,148 applications in 2019. The most active applicants in class G05 are FANUC (6,367 applications), SIEMENS (5,963 applications) and FANUC (4,535 applications).
Source: EPO PATSTAT, worldwide filings
3 direct subcodes
Child Classifications
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- G05D 11/03 without auxiliary power
- G05D 11/035 with auxiliary non-electric power
- G05D 11/13 characterised by the use of electric means
Top Applicants
Top 10 applicants by patent filingsfor class G05, 2013–2023, worldwide · Source: EPO PATSTAT
- FANUC JP 6,367
- SIEMENS DE 5,963
- FANUC 4,535
- MITSUBISHI ELECTRIC CORPORATION JP 4,201
- ROBERT BOSCH DE 4,010
- LG ELECTRONICS KR 3,802
- SAMSUNG ELECTRONICS COMPANY KR 3,143
- FORD GLOBAL TECHNOLOGIES US 2,889
- TOYOTA MOTOR CORPORATION 2,778
- OMRON CORPORATION JP 2,743