Drilldown: Patents
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& CPCs
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CPC B64C2700/6281
& First filing
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Tech fields:
None (147) ·
airplane (71) ·
helicopter (58) ·
propulsion (51) ·
hybrid (40) ·
Design (39) ·
Propellers (37) ·
Ascension (30) ·
Lift (23) ·
frame (21) ·
Construction (20) ·
wings (19) ·
control (16) ·
sustentation (15) ·
heavier-than-air (14) ·
stability (14) ·
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Aerodynamics (13) ·
whole (11) ·
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Application number:
Supplementary to patent:
None (251) ·
Patent FR-1908-407090 (4) ·
Patent FR-1909-410140 (3) ·
Patent DE-1910-06-18 Carl Hanschke (2) ·
Patent FR-1915-478440 (2) ·
Patent AU-1916-630 (2) ·
Patent AT-1909-40038 (2) ·
Patent FR-1915-525800 (2) ·
Patent US-1911-1011761 (2) ·
Patent US-1911-1003885 (2) ·
Patent FR-1908-394254 (2) ·
Patent DE-1909-220044 (2)
Patent agent:
None (143) ·
None (17) ·
G. de Mestral et F. Harlé (7) ·
Marks & Clerk (6) ·
J. Germain (6) ·
J. Bonnet-Thirion (5) ·
C. Blétry (5) ·
Armengaud jeune (5) ·
Matray freres et Cie (4) ·
J. S. Withers & Spooner (4) ·
Paul Caquet (4) ·
Schwab (4) ·
Browne & Co. (4) ·
Boramé et Julien (4) ·
Brandon frères (3) ·
Lavoix et Mosès (3) ·
E. Blétry (3) ·
Rigot et Prevost (3) ·
J. Fayollet (3) ·
W. P. Thompson & Co. (3)
Cites these patents:
Showing below up to 250 results in range #1 to #250.