Drilldown: Patents

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Patents > Office : BE or Other & CPCs : CPC B22D33/00 or CPC B64B1/40 or CPC B64C39/00

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Office: (Click arrow to add another value)
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Tech fields:
None (306) · airplane (169) · design (118) · LTA (109) · frame (91) · stability (72) · construction (56) · wings (49) · balloon (46) · propellers (46) · propulsion (45) · Aerodynamics (43) · lift (36) · navigation (31) · Control (30) · Whole (28) · Rudder (23) · fuselage (23)
Full specification filed date:
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Supplementary to patent:
None (549) · Patent US-1910-996592 (3) · Patent FR-1916-502839 (3) · Patent US-1911-1003530 (2) · Patent US-1911-994106 (2) · Patent US-1908-927605 (2) · Patent GB-1911-2636 (2) · Patent GB-1908-4519 (2) · Patent FR-1917-502839.21604 (2) · Patent DE-1912-265515 (2) · Patent FR-1913-461629 (2) · Patent FR-1912-441089 (2) · Patent FR-1911-434281 (2) · Patent FR-1910-414004 (2) · Patent FR-1909-403418 (2) · Patent FR-1909-395148 (2) · Patent FR-1908-396470 (2) · Patent FR-1908-394418 (2) · Patent FR-1902-321808 (2) · Patent FR-1910-421136 (2)
Related to aircraft:
Patent agent:
None (367) · Armengaud jeune (24) · None (22) · Marks & Clerk (13) · J. Bonnet-Thirion (10) · Weismann et Marx (8) · E. Blétry (7) · Chassevent (7) · Lavoix et Mosès (6) · J. Germain (6) · Charles Dony (6) · Charles Assi (6) · Brandon frères (6) · Y. Rabilloud et fils (6) · Schwab (5) · L. Chassevent (5) · G. de Mestral et F. Harlé (5) · Boramé et Julien (5) · Boult, Wade & Tennant (5) · Munn & Co. (5)
National tech categories:
None (332) · FR 6.4 (252) · USPC 244/127 (17) · USPC 244/32 (13) · FR 6.3 (12) · USPC 244/96 (12) · USPC 244/33 (10) · DE 77 (9) · USPC 244/31 (8) · DE 77h.5 (6) · USPC 244/99 (5) · DE 77h (5) · USPC 244/13 (4)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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