Drilldown: Patents

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Patents > Tech fields : propulsion or wings & Publication date: 1900 - 1999 & First filing: Yes

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None (383)
Related to aircraft:
Patent agent:
None (134) · Armengaud jeune (38) · None (26) · Weismann et Marx (12) · J. Bonnet-Thirion (11) · G. de Mestral et F. Harlé (10) · L. Chassevent (10) · J. Germain (9) · E. Blétry (8) · Hippolyte Josse (6) · C. Blétry (6) · Émile Bert (5) · Lavoix et Mosès (5) · Dom. Casalonga (5) · Chassevent (5)
National tech categories:
FR 6.4 (239) · None (43) · HU V/h (32) · AT 77d (19) · FR 6.2 (18) · DE 77h.5 (13) · FR 6.3 (12) · FR 5.3 (9) · FR 5.8 (8) · DE 77h.6 (4) · DE 77h.9 (2) · GB 4 propelling (2) · DE 77h (2) · DE 77h.11 (2) · AU 90.3 (2) · DE 77h.7 (2)
IPCs:
None (80) · IPC B64C39/00 (46) · IPC B64C11/00 (28) · IPC B64C17/00 (23) · IPC B64C1/00 (22) · IPC B64C23/00 (21) · IPC B64C33/02 (18) · IPC B64B1/00 (18) · IPC B64C3/00 (13) · IPC B64C3/56 (11) · IPC B64C3/38 (8) · IPC B64C3/54 (8) · IPC B64D27/00 (8) · IPC B64B1/58 (7) · IPC B64C27/04 (6) · IPC B64C21/02 (6) · IPC B64C33/00 (5) · IPC B64C13/00 (5) · IPC B64C11/16 (5)
CPCs:
None (75) · CPC B64C39/00 (27) · CPC B64C17/00 (23) · CPC B64C23/005 (20) · CPC B64C11/006 (20) · CPC B64B1/00 (19) · CPC B64C2700/6295 (18) · CPC B64C33/02 (16) · CPC B64C2700/6274 (14) · CPC B64C3/00 (13) · CPC B64C3/56 (11) · CPC B64C2700/6218 (10) · CPC B64C2700/6233 (9) · CPC Y02T50/166 (9) · CPC B64D27/00 (8) · CPC B64C3/385 (7) · CPC B64C11/00 (7) · CPC B64B1/58 (7) · CPC B64C33/00 (7)
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