characterised by elements which contact the ground or similar surface (arrester hooks B64C25/68)

Full Title

Alighting gear (air-cushion alighting gear B60V3/08) > characterised by elements which contact the ground or similar surface (arrester hooks B64C25/68)

11 direct subcodes

Child Classifications

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B64C 2025/325
B64C 25/34 wheeled type, e.g. multi-wheeled bogies
B64C 25/38 endless-track type
B64C 25/40 the elements being rotated before touch-down
B64C 25/405
B64C 25/42 Arrangement or adaptation of brakes
B64C 25/50 Steerable undercarriages; Shimmy-damping
B64C 25/52 Skis or runners
B64C 25/54 Floats
B64C 25/58 Arrangements or adaptations of shock-absorbers or springs (shimmy-dampers B64C25/50)
B64C 25/66 Convertible alighting gear; Combinations of different kinds of ground or like engaging elements

Top Applicants

Top 10 applicants by patent filingsfor class B64, 2013–2023, worldwide · Source: EPO PATSTAT

BOEING COMPANY US 9,861
AIRBUS OPERATIONS DE 3,766
AIRBUS OPERATIONS FR 3,112
SZ DJI TECHNOLOGY COMPANY CN 2,840
HAMILTON SUNDSTRAND US 2,753
GOODRICH CORPORATION US 2,427
AIRBUS OPERATIONS GB 2,356
BOEING COMPANY 2,057
SAFRAN AIRCRAFT ENGINES FR 1,815
AIRBUS OPERATIONS 1,723