Drilldown: Patents

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Patents > Inventor country : NO or None

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None (2511) · Patent NO-1915-12-15 Carl Alfred Johansson (9) ·   (4) · Patent FR-1880-139386 (3) · Patent NO-1891-2589 (3) · Patent BE-1913-253298 (2) · Patent FR-1881-143264 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent FR-1900-299924 (2)
Related to aircraft:
Patent agent:
None (2399) · Desnos (12) · Blétry aîné (10) · Armengaud jeune (9) · Chassevent (7) · Société Marillier et Robelet (7) · Dieuaide (6) · Dumas (4) · Boult, Wade & Tennant (4) · Société Louis Gudman et Cie (4) · None (4) · Thirion (4) · Casalonga (4) · Armengaud aîné (4)
National tech categories:
None (2080) · FR 6.3 (173) · GB 4 propel & steer (24) · GB 4 with buoyant (20) · GB 4 (15) · USPC 244/139 (15) · BE K (14) · USPC 244/147 (14) · GB 4 without buoyant (12) · USPC 244/142 (12) · DE 77 (11) · USPC 244/153R (10) · FR 6.4 (10) · DE 77h.5 (9) · FR 5 (8) · USPC 244/149 (8) · USPC 244/53A (7) · HU V/h (6) · GB 4 aërostats (6) · FR 6 (6)
IPCs:
None (2528) · IPC B64C39/00 (11) · IPC B64C17/00 (6) · IPC B64C23/00 (6) · IPC B64C11/00 (3) · IPC B63H1/12 (3) · IPC B64C33/02 (2) · IPC B64C27/08 (2) · IPC B64C5/04 (2) · IPC B64C3/56 (2) · IPC B64C3/00 (2) · IPC B64C11/32 (2) · IPC B64C3/26 (2) · IPC F41G3/24 (2) · IPC B64C25/00 (2) · IPC B64C3/54 (2)
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