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DIFF Subgroup
A47C 23/34

with provisions for giving extra support for the head or the legs

Introduced: September 1968

Full Title

Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases > with provisions for giving extra support for the head or the legs

No child classifications to compare. This is a leaf node in both 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