CPC Main Group
A47C 23/00 Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
Filing statistics
CPC A47C 23/00 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
9 direct subcodes
Child Classifications
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- A47C 23/02 using leaf springs, e.g. metal strips (wooden springs A47C23/06)
- A47C 23/04 using springs in compression, e.g. coiled
- A47C 23/06 using wooden springs, e.g. of slat type
- A47C 23/12 using tensioned springs, e.g. flat type (A47C23/02 takes precedence)
- A47C 23/30 using combinations of springs covered by more than one of the groups A47C23/02 - A47C23/12; Frames therefor
- A47C 23/34 with provisions for giving extra support for the head or the legs
Top Applicants
Top 10 applicants by patent filingsfor class A47, 2013–2023, worldwide · Source: EPO PATSTAT
- LG ELECTRONICS KR 8,633
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 4,258
- SAMSUNG ELECTRONICS COMPANY KR 3,477
- MIDEA 3,257
- SEB FR 2,786
- FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING COMPANY 2,614
- GREE ELECTRIC APPLIANCES 2,370
- VORWERK & CO. INTERHOLDING DE 2,248
- HAIER SMART HOME 2,169
- MIELE DE 2,019