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Patents > Year filed: 1909 & Grant date: 1900 - 1909 & Citations from after 1930: None

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Tech fields:
Airplane (122) · LTA (77) · design (66) · None (62) · Propellers (50) · Stability (47) · Propulsion (42) · frame (40) · wings (40) · Navigation (35) · construction (32) · Lift (32) · control (30) · Hybrid (27) · aerodynamics (21) · subsystem (21) · sustentation (20) · rudder (16)
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None (232) · Patent BE-1909-214032 (7) · Patent FR-1908-392672 (7) · Patent GB-1908-4519 (5) · Patent FR-1909-398825 (3) · Patent US-1908-927605 (3) · Patent ES-1906-38692 (3) · Patent DE-1908-221549 (3) · Patent DE-1908-220975 (3) · Patent FR-1908-403132 (2) · Patent FR-1909-395148 (2) · Patent FR-1907-382794 (2) · Patent FR-1909-403985‎ (2) · Patent FR-1908-397675 (2) · Patent GB-1908-28547 (2) · Patent CH-1909-48028 (2) · Patent DE-1908-210933 (2) · Patent BE-1908-May 22 Robert Esnault-Pelterie (2) · Patent AT-1909-48421 (2) · Patent US-1908-922952 (2)
Related to aircraft:
Patent agent:
None (132) · Armengaud jeune (35) · None (11) · Lavoix et Mosès (11) · A. Wunderlich & Cie, Ingénieurs-Conseils (7) · C. Baumann (6) · J. Bonnet-Thirion (6) · Brandon frères (6) · Charles Assi (6) · Marks & Clerk (6) · Weismann et Marx (5) · Émile Klotz (5) · E. Blétry (5) · Boramé et Julien (4) · De Bongé (4) · Schwab (4) · C. Blétry (4) · Hippolyte Josse (4) · H. Elluin (4)
National tech categories:
FR 6.4 (176) · None (102) · MX F. III (12) · BE K (10) · FR 5.3 (7) · AT 77d (4) · HU V/h (4) · USPC 244/88 (2) · USPC 244/72 (2) · RU Group V (2) · GB 4 aërostats (2) · FR 6.3 (2) · FR 6.1 (2) · FR 6.2 (2)
IPCs:
None (121) · IPC B64C39/00 (35) · IPC B64B1/00 (33) · IPC B64C17/00 (16) · IPC B64C33/02 (14) · IPC B64B1/58 (13) · IPC B64C3/38 (12) · IPC B64C1/00 (11) · IPC B64C23/00 (8) · IPC B64C13/00 (7) · IPC B64C11/00 (7) · IPC B64B1/40 (6) · IPC B64C33/00 (6) · IPC B64C3/54 (4) · IPC B64C11/20 (4) · IPC B64C27/04 (4) · IPC B64C3/52 (3) · IPC B64C3/18 (3) · IPC B64B1/62 (3) · IPC B64C25/00 (3)
CPCs:
None (64) · CPC B64C39/00 (37) · CPC B64B1/00 (34) · CPC B64C2700/6295 (33) · CPC B64C17/00 (19) · CPC B64C33/02 (17) · CPC B64C23/005 (14) · CPC B64B1/58 (13) · CPC B64C3/385 (12) · CPC B64C13/00 (11) · CPC B64C2700/6274 (10) · CPC B64C11/006 (9) · CPC B64C33/00 (8) · CPC B64C2700/6218 (7) · CPC B64C39/008 (6) · CPC B64C2700/6212 (6) · CPC B64B1/40 (6) · CPC A63H27/08 (5) · CPC B64C11/00 (5) · CPC B64C3/54 (5)
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