A47C 23/34 with provisions for giving extra support for the head or the legs
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 > with provisions for giving extra support for the head or the legs
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- Subclass:
- CHAIRS; SOFAS; BEDS
Filing statistics
IPC A47C 23/34 belongs to the parent subclass A47C, which recorded 166,495 patent applications worldwide between 2013 and 2023. Annual filings grew from 10,487 in 2013 to 14,911 in 2023 (+42%), peaking at 19,260 applications in 2020. The most active applicants in class A47 are ZHEJIANG SUPOR (13,571 applications), MIDEA (10,855 applications) and JOYOUNG COMPANY (10,106 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor class A47, 2013–2023, worldwide · Source: EPO PATSTAT
- ZHEJIANG SUPOR 13,571
- MIDEA 10,855
- JOYOUNG COMPANY 10,106
- FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING COMPANY 9,846
- LG ELECTRONICS KR 7,657
- GREE ELECTRIC APPLIANCES 4,805
- GUANGDONG MIDEA ELECTRICAL APPLIANCE COMPANY 4,508
- NINGBO FOTILE KITCHENWARE COMPANY 4,300
- HAIER SMART HOME 3,964
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,910