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IPC Subgroup
A47C 23/14

forming nets; combined with nets

Introduced: September 1968

Last revised: January 2006

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. of flat type > forming nets; combined with nets

Classification Context

Section:
HUMAN NECESSITIES
Class:
FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
Subclass:
CHAIRS; SOFAS; BEDS

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
  • 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. 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