Drilldown: Patents

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Patents > Tech fields : Propellers or aerostat & Publication date: 1900 - 1999

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None (240) · Patent GB-1908-4519 (7) · Patent US-1909-970771 (7) · Patent FR-1906-366080 (5) · Patent FR-1908-404631 (4) · Patent DE-1907-214228 (4) · Patent GB-1909-8531 (3) · Patent FR-1911-430455 (3) · Patent DE-1909-220044 (3) · Patent DE-1910-06-18 Carl Hanschke (3) · Patent AT-1909-48421 (3) · Patent FR-1910-423792 (3) · Patent FR-1909-404954 (3) · Patent GB-1911-29012 (3)
Related to aircraft:
Patent agent:
None (205) · Armengaud jeune (18) · Schwab (10) · E. Blétry (9) · Lavoix et Mosès (9) · de Bongé (8) · Hippolyte Josse (7) · Brandon frères (7) · J. Bonnet-Thirion (6) · Dupont et Elluin (6) · Boramé et Julien (6) · Charles Assi (6) · J. Germain (5) · Weismann et Marx (5) · G. de Mestral et F. Harlé (5) · C. Blétry‎ (4) · Boult, Wade & Tennant (4) · Dom. Casalonga (4) · Marks & Clerk (4)
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IPCs:
None (184) · IPC B64C39/00 (30) · IPC B64C11/00 (21) · IPC B64B1/00 (20) · IPC B64C23/00 (13) · IPC B64C11/04 (13) · IPC B64C11/20 (13) · IPC B64C27/04 (10) · IPC B64C17/00 (8) · IPC B64C33/02 (8) · IPC B64C1/00 (8) · IPC B63H1/12 (6) · IPC B64D35/04 (6) · IPC F01L1/04 (5) · IPC B64D27/00 (5) · IPC B64C11/16 (5)
CPCs:
None (173) · CPC B64C39/00 (21) · CPC B64B1/00 (21) · CPC B64C11/006 (14) · CPC B64C23/005 (13) · CPC B64C11/04 (13) · CPC B64C2700/6295 (12) · CPC B64C2700/6274 (12) · CPC B64C17/00 (9) · CPC B64C11/20 (9) · CPC B64C33/02 (8) · CPC B64C2700/6281 (8) · CPC B64D35/04 (7)
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Citations from after 1930:
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