Drilldown: Patents

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Patents > Tech fields : hybrid or None & National tech categories: FR 6.4

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None (381) · Seine (20) · Nord (10) · Hérault (4) · Seine-et-Oise (4) · Rhône (4) · Paris (3) · Charente-Inférieure (3) · Montpellier (2) · Meurthe-et-Moselle (2) · Maine-et-Loire (2) · Loire (2) · Cambrai (2) · Dordogne (2)
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Supplementary to patent:
None (307) · Patent FR-1909-410140 (4) · Patent FR-1908-407090 (4) · Patent FR-1915-478440 (2) · Patent BE-1912-08-13-Panian (2) · Patent FR-1909-404844 (2)
Related to aircraft:
Patent agent:
None (59) · None (37) · Armengaud jeune (19) · E. Blétry (14) · J. Bonnet-Thirion (14) · Schwab (12) · L. Chassevent (12) · G. de Mestral et F. Harlé (12) · Dom. Casalonga (11) · Boramé et Julien (10) · J. Germain (10) · Chassevent (9) · Brandon frères (8) · H. Bœttcher fils (7) · Lavoix et Mosès (7) · G. Petiau (7) · Rigot et Prévost (7) · Dupont et Elluin (6) · Paul Caquet (6) · Weismann et Marx (6)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C23/00 (71) · IPC B64C39/00 (53) · IPC B64C17/00 (35) · IPC B64C1/00 (32) · IPC B64C3/38 (30) · IPC B64C33/02 (28) · None (24) · IPC B64C3/00 (23) · IPC B64B1/00 (21) · IPC B64C27/04 (17) · IPC B64C35/00 (16) · IPC B64B1/58 (9) · IPC B64C33/00 (8) · IPC B64C11/00 (8) · IPC B64C3/54 (7) · IPC B64C13/00 (7) · IPC B64C17/06 (6) · IPC B64C27/00 (5) · IPC B64C29/00 (4)
CPCs:
CPC B64C23/005 (72) · CPC B64C2700/6274 (53) · CPC B64C39/00 (41) · CPC B64C17/00 (38) · CPC B64C2700/6295 (38) · CPC B64C33/02 (31) · CPC B64C3/385 (30) · CPC B64C3/00 (23) · CPC B64B1/00 (21) · CPC B64C2700/6218 (14) · CPC B64C35/00 (13) · CPC B64C27/04 (12) · CPC B64C2700/6281 (11) · CPC B64C33/00 (11) · CPC B64C2700/6235 (11) · CPC B64C2700/6233 (9) · CPC B64B1/58 (9)
First filing:
Citations from after 1930:
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