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CPC Subgroup
A47C 23/14

forming nets; combined with nets

Full Title

Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases > using tensioned springs, e.g. flat type (A47C23/02 takes precedence) > forming nets; combined with nets

Filing statistics

CPC A47C 23/14 belongs to the parent subclass A47C, which recorded 71,520 patent applications worldwide between 2013 and 2023. Annual filings declined from 4,993 in 2013 to 4,546 in 2023 (-9%), peaking at 8,774 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

3 direct subcodes

Child Classifications

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  • A47C 23/145 with horizontal interlocking wound springs; Attachment thereof to the frame
  • A47C 23/15 with braided or crossed flat springs or cords; with horizontal wound springs (A47C23/145 takes precedence)
  • A47C 23/155 with combinations of flat springs or link chains with wound springs

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