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Patents > Tech fields : float or hybrid & Citations from after 1930: None

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Application number:
None (213)
Granted:
Supplementary to patent:
None (277) · Patent BE-1909-214032 (33) · Patent FR-1909-410140 (4) · Patent AT-1912-75092 (4) · Patent FR-1908-407090 (4) · Patent BE-1907-198483 (4) · Patent BE-1913-255172 (4) · Patent FR-1916-493411 (3) · Patent US-1909-1137533 (3) · Patent US-1908-922952 (3) · Patent AT-1909-40038 (3) · Patent DE-1896-98109 (3) · Patent FR-1899-292828 (3) · Patent FR-1915-478440 (3)
Related to aircraft:
Patent agent:
None (168) · A. Wunderlich & Cie, Ingénieurs-Conseils (34) · None (13) · Armengaud jeune (8) · Munn & Co. (8) · G. de Mestral et F. Harlé (7) · Schwab (6) · J. Bonnet-Thirion (6) · John P. Tarbox (5) · Haseltine, Lake & Co. (5) · J. Germain (4) · M. Zerolo (4) · Verhaeghen (4)
National tech categories:
FR 6.4 (118) · None (87) · BE K (62) · FR 6.3 (15) · HU V/h (15) · USPC 244/6 (7) · RU Group V (7) · USPC 244/11 (6) · DE 77h (6) · DE 77h.5 (5) · USPC 244/64 (5) · AT 77d (5) · DE 77 (4) · DE 77h.9 (4) · AU 90.3 (4) · GB 4 propel & steer (4)
IPCs:
None (248) · IPC B64B1/00 (31) · IPC B64C23/00 (31) · IPC B64C39/00 (17) · IPC B64C27/04 (16) · IPC B64C35/00 (16) · IPC B64C33/02 (9) · IPC B64C33/00 (8) · IPC B64B1/58 (8) · IPC B64C27/00 (6) · IPC B64C17/00 (5) · IPC B64C1/00 (5) · IPC B64C3/38 (3) · IPC B64C3/56 (3) · IPC B64C17/06 (3) · IPC B64C11/00 (3) · IPC B64B1/40 (3)
CPCs:
None (181) · CPC B64C23/005 (43) · CPC B64B1/00 (38) · CPC B64C35/00 (21) · CPC B64C2700/6274 (17) · CPC B64C33/02 (15) · CPC B64C33/00 (13) · CPC B64C27/04 (11) · CPC B64C2700/6281 (10) · CPC B64C39/00 (10) · CPC B64B1/58 (9) · CPC B64C39/005 (8) · CPC B64C2700/6295 (6) · CPC B64C27/00 (5) · CPC B64C27/12 (4) · CPC B64C3/56 (4) · CPC B64C31/04 (4) · CPC B64C11/001 (4) · CPC B64C17/00 (4)
First filing:
Citations from after 1930:
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