Constructional aspects of UAVs (of lift-producing means B64U30/00)

Child Classifications

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• B64U 20/10 for stealth, e.g. reduction of cross-section detectable by radars
• B64U 20/20 for noise reduction
• B64U 20/30 for safety, e.g. with frangible components (rotor guards B64U30/299)
• B64U 20/40 Modular UAVs
• B64U 20/50 Foldable or collapsible UAVs (with frangible components B64U20/30)
• B64U 20/60 UAVs characterised by the material
• B64U 20/70 Constructional aspects of the UAV body
• B64U 20/80 Arrangement of on-board electronics, e.g. avionics systems or wiring
• B64U 20/90 Cooling