with rotary fans

Introduced: September 1968

Last revised: January 2006

Full Title

Structural features of suction cleaners > with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum > with rotary fans

Classification Context

Section:: HUMAN NECESSITIES
Class:: FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
Subclass:: DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL

Filing statistics

IPC A47L 5/22 belongs to the parent subclass A47L, which recorded 203,625 patent applications worldwide between 2013 and 2023. Annual filings grew from 9,680 in 2013 to 21,093 in 2023 (+118%), peaking at 25,303 applications in 2020. The most active applicants in class A47 are ZHEJIANG SUPOR (13,571 applications), MIDEA (10,855 applications) and JOYOUNG COMPANY (10,106 applications).

Source: EPO PATSTAT, worldwide filings

4 direct subcodes

Child Classifications

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A47L 5/24 Hand-supported suction cleaners
A47L 5/28 Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
A47L 5/36 Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
A47L 5/38 Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected

Top Applicants

Top 10 applicants by patent filingsfor class A47, 2013–2023, worldwide · Source: EPO PATSTAT

ZHEJIANG SUPOR 13,571
MIDEA 10,855
JOYOUNG COMPANY 10,106
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING COMPANY 9,846
LG ELECTRONICS KR 7,657
GREE ELECTRIC APPLIANCES 4,805
GUANGDONG MIDEA ELECTRICAL APPLIANCE COMPANY 4,508
NINGBO FOTILE KITCHENWARE COMPANY 4,300
HAIER SMART HOME 3,964
BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,910