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PCE
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DIFF Subgroup
A47C 23/14

forming nets; combined with nets

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • A47C 23/145 with horizontal interlocking wound springs; Attachment thereof to the frame since 1974 IPC+CPC Available in IPC and CPC
  • A47C 23/15 with braided or crossed flat springs or cords; with horizontal wound springs (A47C23/145 takes precedence) since 1974 IPC+CPC Available in IPC and CPC
  • A47C 23/155 with combinations of flat springs or link chains with wound springs since 1974 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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