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Patents > Applicant person : Robert Esnault-Pelterie or Ruter William Springer

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Tech fields:
airplane (48) · None (40) · wings (24) · frame (20) · construction (15) · wing warping (13) · lift (12) · propulsion (11) · Design (10) · landing (10) · chassis (9) · LTA (9) · HTA (8) · aerodynamics (7) · aerostat (7) · stability (6) · wheels (6) · flapping (6) · propellers (6) · motors (6)
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None (28)
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CPCs:
None (17) · CPC B64C3/52 (9) · CPC B64C17/00 (8) · CPC B64C25/62 (8) · CPC B64C13/00 (8) · CPC B64C3/385 (7) · CPC B64C25/52 (6) · CPC B64C25/06 (6) · CPC F01L1/04 (5) · CPC B64C3/54 (5) · CPC B64C25/54 (5) · CPC H02K21/42 (5) · CPC B64C11/04 (5) · CPC B64C3/00 (4) · CPC B64C13/30 (4) · CPC B64C2700/6245 (3) · CPC B64C39/005 (3) · CPC B64C35/00 (3) · CPC B64C3/48 (3)
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