Drilldown: Patents

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Patents > Tech fields : dirigible or propellers & Number of figures: 3-5

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None (227) · Patent US-1909-970771 (4) · Patent DE-1909-220044 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1907-214228 (3) · Patent AT-1909-40038 (3) · Patent FR-1908-407090 (3)
Related to aircraft:
Patent agent:
None (136) · Armengaud jeune (15) · J. Bonnet-Thirion (8) · Boult, Wade & Tennant (7) · Haseltine, Lake & Co. (7) · G. de Mestral et F. Harlé (6) · None (6) · Marks & Clerk (6) · J. Germain (6) · Boramé et Julien (5) · Hippolyte Josse (5) · Schwab (5) · L. Chassevent (5) · Weismann et Marx (5) · Lavoix et Mosès (4) · H. Bœttcher fils (4)
National tech categories:
FR 6.4 (119) · None (109) · HU V/h (43) · FR 6.3 (13) · FR 6.2 (13) · AT 77d (12) · DE 77h.6 (7) · DE 77 (5) · RU Group V (3) · USPC 244/127 (2) · CH 129b (2) · USPC 244/233 (2) · USPC 244/51 (2) · USPC 244/64 (2) · USPC 244/17.21 (2)
IPCs:
None (133) · IPC B64B1/00 (24) · IPC B64C11/00 (24) · IPC B64C39/00 (21) · IPC B64C11/20 (15) · IPC B64C23/00 (14) · IPC B64C11/16 (11) · IPC B64C11/04 (11) · IPC B64C27/04 (10) · IPC B63H1/12 (8) · IPC B64C17/00 (7) · IPC B64C1/00 (7) · IPC B64C27/00 (6) · IPC B64C11/36 (5) · IPC B27M3/10 (4) · IPC B64D35/04 (4) · IPC B64C33/02 (4) · IPC B64B1/58 (4) · IPC B64D35/06 (3) · IPC B64C35/00 (3)
CPCs:
None (95) · CPC B64B1/00 (27) · CPC B64C23/005 (14) · CPC B64C11/006 (14) · CPC B64C39/00 (13) · CPC B64C11/16 (12) · CPC B64C2700/6274 (12) · CPC B64C11/04 (11) · CPC B64C11/20 (9) · CPC B64C11/00 (8) · CPC B64C17/00 (8) · CPC B63H1/26 (8) · CPC B64C2700/6281 (7) · CPC B64C11/36 (7) · CPC B64C13/00 (6) · CPC B64C11/205 (6) · CPC B64C2700/6295 (6)
First filing:
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