Drilldown: Patents

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Patents > Tech fields : airfoil or propellers & Publication date: 1900 - 1999

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None (261) · Patent GB-1908-4519 (7) · Patent US-1909-970771 (7) · Patent FR-1908-404631 (4) · Patent DE-1907-214228 (4) · Patent AT-1909-48421 (3) · Patent FR-1911-430455 (3) · Patent DE-1907-240268 (3) · Patent DE-1909-220044 (3) · Patent DE-1910-06-18 Carl Hanschke (3) · Patent FR-1909-404954 (3) · Patent FR-1910-423792 (3) · Patent GB-1909-8531 (3) · Patent GB-1911-29012 (3)
Related to aircraft:
Patent agent:
None (222) · Armengaud jeune (12) · Schwab (10) · E. Blétry (9) · Lavoix et Mosès (9) · De Bongé (8) · Boramé et Julien (7) · Charles Assi (7) · Dom. Casalonga (6) · Dupont et Elluin (6) · J. Bonnet-Thirion (6) · J. Germain (6) · Weismann et Marx (6) · Brandon frères (6) · Marks & Clerk (5) · Charles Dony (5) · G. de Mestral et F. Harlé (5)
Assigned to:
National tech categories:
FR 6.4 (165) · HU V/h (96) · None (75) · AT 77d (36) · FR 6.2 (23) · FR 6.3 (14) · DE 77h.5 (11) · DE 77h.6 (8) · CH 129b (6) · DK 77 (4) · AU 90.3 (3) · FR 6.1 (3) · FR 5.3 (3) · NL 62 (3) · DK 65 (2) · DE 77h (2) · NL 62.6 (2) · FR 10.1 (2)
IPCs:
None (206) · IPC B64C39/00 (34) · IPC B64C11/00 (21) · IPC B64C23/00 (15) · IPC B64C17/00 (13) · IPC B64C11/20 (13) · IPC B64C1/00 (11) · IPC B64C27/04 (10) · IPC B64C11/04 (8) · IPC B64B1/00 (7) · IPC B64C33/02 (7) · IPC B64C3/38 (7) · IPC B64D35/04 (6) · IPC B64C3/52 (6) · IPC B63H1/12 (6) · IPC B64C11/16 (5) · IPC B64D27/00 (5)
CPCs:
None (193) · CPC B64C39/00 (25) · CPC B64C2700/6295 (15) · CPC B64C11/006 (14) · CPC B64C23/005 (14) · CPC B64C17/00 (14) · CPC B64C2700/6274 (12) · CPC B64C11/20 (9) · CPC B64C33/02 (8) · CPC B64C3/385 (8) · CPC B64C2700/6281 (8) · CPC B64B1/00 (8) · CPC B64C11/04 (8) · CPC B64D35/04 (7) · CPC B64C2700/6218 (6) · CPC B64C3/52 (6)
First filing:
Citations from after 1930:
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