Drilldown: Patents

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Patents > Applicant firm : Luft-Verkehrs-Gesellschaft m.b.H. or Établissements de Dion-Bouton or None & Tech fields : lift or propulsion & Supplementary to patent : Patent FR-1908-407090 or None & Related to aircraft : 0.5 or Yes

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Patent agent:
None (327) · Armengaud jeune (35) · G. de Mestral et F. Harlé (9) · None (7) · Chassevent (6) · J. Bonnet-Thirion (5) · L. Chassevent (5) · Munn & Co. (5) · Haseltine, Lake & Co. (4) · Dom. Casalonga (4) · Charles Dony (4) · Y. Rabilloud et fils (4) · Weismann et Marx (4)
National tech categories:
None (150) · FR 6.4 (150) · FR 6.3 (60) · FR 6.2 (21) · HU V/h (20) · DE 77 (17) · BE K (13) · FR 5 (11) · USPC 244/73R (8) · GB 4 without buoyant (8) · GB 4 propel & steer (8) · USPC 244/28 (8) · FR 6 (7) · USPC 244/22 (7) · GB 4 with buoyant (7) · USPC 244/65 (5) · USPC 244/30 (5) · USPC 244/51 (5)
IPCs:
None (323) · IPC B64C11/00 (35) · IPC B64C39/00 (35) · IPC B64B1/00 (32) · IPC B64C33/02 (19) · IPC B64C1/00 (12) · IPC B64C33/00 (12) · IPC B64C23/00 (12) · IPC B64C11/16 (9) · IPC B64C17/00 (9) · IPC B64C27/04 (7) · IPC B64B1/58 (6) · IPC B64C3/54 (6) · IPC B63H1/12 (5) · IPC B64C3/38 (5) · IPC B64C3/00 (4) · IPC B64C9/00 (4) · IPC B64C11/04 (4) · IPC B64B1/62 (4)
CPCs:
None (240) · CPC B64B1/00 (44) · CPC B64C11/006 (33) · CPC B64C33/02 (25) · CPC B64C39/00 (22) · CPC B64C23/005 (22) · CPC B64C2700/6295 (15) · CPC B64C33/00 (12) · CPC B64C17/00 (12) · CPC B64C39/005 (11) · CPC B64C2700/6274 (11) · CPC B64C11/00 (11) · CPC B64B1/58 (8) · CPC B64C11/16 (8) · CPC B64C11/001 (7) · CPC B64C3/54 (7) · CPC B64C2700/6281 (6)
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