Drilldown: Patents

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Patents > Office : BE or JP or Other & Applicant type : Louis-Marie Le Dantec or None & Patent agent: None & National tech categories : GB 4 with buoyant or None

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Tech fields:
None (2080) · LTA (182) · navigation (103) · propulsion (96) · balloon (82) · airplane (36) · propeller (29) · marine (26) · frame (25) · whole (20) · car (16) · rudder (13) · safety (12) · subsystem (12) · stability (12) · Parachute (12) · ascension (11) · metal (11) · cargo (11)
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Supplementary to patent:
None (2527) ·   (10) · Patent ES-1911-50435 (2) · Patent FR-1885-168266 (2)
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IPCs:
None (2560) · IPC B64C39/00 (2) · IPC B64C27/04 (2) · IPC B64B (2) · (IPC1-7) B64B (2) · (IPC1-7): B64B (2)
CPCs:
None (1670) · CPC B64C11/006 (131) · CPC B64C11/346 (70) · CPC B64C11/48 (65) · CPC B64C11/36 (49) · CPC B63H1/12 (47) · CPC F05B2260/74 (36) · CPC B64C11/343 (33) · CPC B64C39/00 (32) · CPC F03D11/00 (31) · CPC Y02E10/722 (31) · CPC B64C2700/6295 (31) · CPC B63H1/04 (30) · CPC B64C11/06 (29) · CPC B64C17/00 (25) · CPC B64C11/065 (23) · CPC B64C27/33 (21) · CPC B64C3/48 (20) · CPC B64C23/005 (19) · CPC B64C33/02 (18)
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Citations from after 1930:
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