IPC Subgroup
E05F 1/12 Mechanisms in the shape of hinges or pivots, operated by springs
Introduced: September 1968
Last revised: January 2006
Full Title
Closers or openers for wings, not otherwise provided for in this subclass > spring-actuated > for swinging wings > Mechanisms in the shape of hinges or pivots, operated by springs
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- Subclass:
- DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
Filing statistics
IPC E05F 1/12 belongs to the parent subclass E05F, which recorded 97,110 patent applications worldwide between 2013 and 2023. Annual filings grew from 4,294 in 2013 to 10,141 in 2023 (+136%), peaking at 12,715 applications in 2020. The most active applicants in class E05 are KIEKERT (2,762 applications), HYUNDAI MOTOR COMPANY (1,316 applications) and JULIUS BLUM (1,088 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor class E05, 2013–2023, worldwide · Source: EPO PATSTAT
- KIEKERT DE 2,762
- HYUNDAI MOTOR COMPANY KR 1,316
- JULIUS BLUM AT 1,088
- FORD GLOBAL TECHNOLOGIES US 1,061
- HAIER SMART HOME 936
- KIA MOTORS CORPORATION KR 909
- HUF HUELSBECK & FUERST & COMPANY DE 887
- LG ELECTRONICS KR 872
- TOKAI RIKA COMPANY 813
- GEZE DE 807