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Patents > Inventor country: FR & Applicant firm: None & Number of claims: 4-20

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Tech fields:
Airplane (278) · design (161) · stability (120) · frame (115) · construction (97) · wings (90) · Propulsion (87) · LTA (75) · aerodynamics (72) · Control (66) · propellers (65) · automatic stability (57) · Lift (52) · navigation (48) · landing (43) · subsystem (41) · sustentation (40) · None (37) · rudder (35) · fuselage (33)
Full specification filed date:
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Patent agent:
None (121) · Armengaud jeune (78) · None (32) · Boult, Wade & Tennant (24) · Haseltine, Lake & Co. (18) · L. Chassevent (15) · E. Blétry (15) · Marks & Clerk (13) · Charles Dony (12) · Hippolyte Josse (12) · Abel & Imray (11) · Dupont et Elluin (11) · H. Bœttcher fils (11) · Boramé et Julien (10) · C. Blétry (9) · J. Bonnet-Thirion (8) · Ch. Mardelet (7) · Lavoix et Mosès (7) · J. Germain (6) · Schwab (6)
National tech categories:
FR 6.4 (346) · None (148) · FR 6.3 (25) · HU V/h (17) · FR 5.8 (7) · FR 6.2 (7) · AT 77d (4) · FR 10.1 (3) · FR 6.1 (3) · CH 129b (3) · CH 115 (3) · FR 10.4 (2) · DE 77h.5 (2) · FR 17.3 (2) · USPC 244/234 (2) · USPC 244/119 (2)
IPCs:
None (119) · IPC B64C39/00 (72) · IPC B64C1/00 (63) · IPC B64C17/00 (60) · IPC B64B1/00 (35) · IPC B64C3/38 (20) · IPC B64C23/00 (18) · IPC B64C3/00 (17) · IPC B64B1/58 (16) · IPC B64C33/02 (15) · IPC B64C17/06 (14) · IPC B64C11/00 (11) · IPC B64C13/00 (10) · IPC B64C25/00 (9) · IPC B64C3/52 (9) · IPC B64C35/00 (9) · IPC B64C27/04 (9) · IPC B64C3/18 (8) · IPC B64D17/00 (7) · IPC B64C3/56 (7)
CPCs:
None (83) · CPC B64C17/00 (66) · CPC B64C39/00 (49) · CPC B64B1/00 (36) · CPC B64C2700/6295 (33) · CPC B64C13/00 (22) · CPC B64C23/005 (19) · CPC B64C3/385 (18) · CPC B64C2700/6218 (18) · CPC B64C17/06 (17) · CPC B64C33/02 (17) · CPC B64C3/00 (17) · CPC B64B1/58 (16) · CPC B64C2700/6214 (15) · CPC B64C2700/6216 (14) · CPC B64C1/00 (14)
First filing:
Citations from after 1930:
Number of claims:
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