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CPC Subgroup
E05C 17/38

with a curved rail rigid with the frame for engagement with means on the wing, or vice versa

Full Title

Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith (combined with hinges E05D11/00; combined with operating apparatus for wings E05F; other braking devices, stops, buffers E05F5/00) > by mechanical means (E05C17/60 takes precedence) > with a curved rail rigid with the frame for engagement with means on the wing, or vice versa

Filing statistics

CPC E05C 17/38 belongs to the parent subclass E05C, which recorded 24,510 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,999 in 2013 to 1,544 in 2023 (-23%), peaking at 3,016 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

Top Applicants

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

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