Cylinder locks with tumbler pins or balls that are set by pushing the key in

Filing statistics

CPC E05B 27/00 belongs to the parent subclass E05B, which recorded 82,364 patent applications worldwide between 2013 and 2023. Annual filings declined from 5,855 in 2013 to 5,517 in 2023 (-6%), peaking at 10,096 applications in 2018. The most active applicants in class E05 are KIEKERT (2,802 applications), HYUNDAI MOTOR COMPANY (1,609 applications) and LG ELECTRONICS (1,467 applications).

Source: EPO PATSTAT, worldwide filings

15 direct subcodes

Child Classifications

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E05B 27/0003
E05B 27/0028
E05B 27/0032
E05B 27/0035
E05B 27/0039
E05B 27/0042
E05B 27/0046
E05B 27/005
E05B 27/0053
E05B 27/0057
E05B 27/0078
E05B 27/0082
E05B 27/0085
E05B 27/02 operated by the edge of the key
E05B 27/10 operated by other surfaces of the key, e.g. openings receiving projections on the tumblers

Top Applicants

Top 10 applicants by patent filingsfor class E05, 2013–2023, worldwide · Source: EPO PATSTAT

KIEKERT DE 2,802
HYUNDAI MOTOR COMPANY KR 1,609
LG ELECTRONICS KR 1,467
FORD GLOBAL TECHNOLOGIES US 1,465
JULIUS BLUM AT 1,240
KIA MOTORS CORPORATION KR 1,164
HUF HUELSBECK & FUERST & COMPANY DE 1,005
SAMSUNG ELECTRONICS COMPANY KR 928
GEZE DE 809
SCHLAGE LOCK COMPANY US 790