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IPC Subgroup
A47L 7/04

for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air

Introduced: September 1968

Last revised: January 2006

Full Title

Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids > for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air

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

Related Keywords

STERILISING of exhaust air from suction cleaners

2 direct subcodes

Child Classifications

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  • A47L 7/06 for supporting the suction cleaner on the exhaust air
  • A47L 7/08 with combustion of dust in exhaust air

Top Applicants

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

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