US 11,745,872 B2
Methods for marking surfaces using unmanned aerial vehicles
James J. Troy, Issaquah, WA (US); Gary E. Georgeson, Tacoma, WA (US); and Gregory J. Sweers, Renton, WA (US)
Assigned to The Boeing Company, Arlington, VA (US)
Filed by The Boeing Company, Chicago, IL (US)
Filed on Jun. 19, 2020, as Appl. No. 16/907,056.
Prior Publication US 2021/0394902 A1, Dec. 23, 2021
Int. Cl. B64C 39/02 (2023.01); B64F 5/30 (2017.01); B64F 5/40 (2017.01); B64D 1/18 (2006.01); B64U 10/13 (2023.01); B64U 30/20 (2023.01); B64U 101/00 (2023.01)
CPC B64C 39/024 (2013.01) [B64F 5/30 (2017.01); B64F 5/40 (2017.01); B64D 1/18 (2013.01); B64U 10/13 (2023.01); B64U 30/20 (2023.01); B64U 2101/00 (2023.01)] 22 Claims
OG exemplary drawing
 
1. An unmanned aerial vehicle for marking a target surface of a structure or object, the unmanned aerial vehicle comprising:
a first frame;
a plurality of rotor motors mounted to the first frame and capable of producing lift greater than a weight of the unmanned aerial vehicle;
a plurality of rotors operatively coupled to respective rotor motors of the plurality of rotor motors;
a controller programmed to control the rotor motors in a manner that produces lift greater than the weight of the unmanned aerial vehicle
a linear actuator coupled to the first frame;
a second frame pivotably coupled to the linear actuator;
first and second compliant stabilizers supported by the second frame; and
a first marking device supported by the second frame.