IPC Subgroup
A47C 3/2 Chairs or stools with vertically-adjustable seats
Introduced: September 1968
Last revised: January 2006
Full Title
Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats > Chairs or stools with vertically-adjustable seats
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- Subclass:
- CHAIRS; SOFAS; BEDS
10 direct subcodes
Child Classifications
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- A47C 3/22 with balancing device, e.g. by spring, by weight
- A47C 3/24 with vertical spindle
- A47C 3/26 with vertical toothed rack
- A47C 3/28 with clamps acting on vertical rods
- A47C 3/3 with vertically-acting fluid cylinder
- A47C 3/32 with flexible height-adjusting means, e.g. rope, chain
- A47C 3/34 with pins coacting with holes
- A47C 3/36 with means, or adapted, for inclining the legs of the chair or stool for varying height of seat
- A47C 3/38 with additional seat or additional legs for varying height of seat
- A47C 3/4 Telescopic guides
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