Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Main Group
A47L 4/00

Cleaning window shades, window screens, venetian blinds (A47L1/15 takes precedence; suction cleaner nozzles A47L9/02)

Filing statistics

CPC A47L 4/00 belongs to the parent subclass A47L, which recorded 108,106 patent applications worldwide between 2013 and 2023. Annual filings grew from 5,677 in 2013 to 9,353 in 2023 (+65%), peaking at 13,568 applications in 2018. The most active applicants in class A47 are LG ELECTRONICS (8,633 applications), BSH (BOSCH UND SIEMENS HAUSGERAETE) (4,258 applications) and SAMSUNG ELECTRONICS COMPANY (3,477 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • A47L 4/02 Hand implements for cleaning venetian blinds
  • A47L 4/04 Accessories facilitating cleaning, e.g. venetian blind separators, spreaders, or cleaning racks

Top Applicants

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

  1. LG ELECTRONICS KR 8,633
  2. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 4,258
  3. SAMSUNG ELECTRONICS COMPANY KR 3,477
  4. MIDEA 3,257
  5. SEB FR 2,786
  6. FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING COMPANY 2,614
  7. GREE ELECTRIC APPLIANCES 2,370
  8. VORWERK & CO. INTERHOLDING DE 2,248
  9. HAIER SMART HOME 2,169
  10. MIELE DE 2,019