Drilldown: Patents

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Patents > Inventor country : NZ or None & Assigned to: None & IPCs : IPC B64C31/06 or IPC B64C39/00 or None

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None (3036) ·   (7) · Patent US-1904-793746 (4) · Patent NZ-1909-26981 (4) · Patent FR-1880-139386 (3) · Patent FR-1900-299924 (2) · Patent BE-1913-253298 (2) · Patent DE-1899-123884 (2) · Patent US-1911-1109891 (2) · Patent FR-1881-143264 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · 1 (2)
Patent agent:
None (2917) · Desnos (13) · Blétry aîné (11) · Armengaud jeune (10) · Dieuaide (8) · Chassevent (7) · Société Marillier et Robelet (6) · Dumas (5) · Armengaud aîné (4) · Henry Hughes (4) · Casalonga (4) · Thirion (4) · Nauhardt (4) · Société Louis Gudman et Cie (4)
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National tech categories:
None (2539) · FR 6.3 (188) · GB 4 propel & steer (24) · GB 4 with buoyant (22) · GB 4 (19) · USPC 244/139 (18) · USPC 244/147 (18) · USPC 244/142 (16) · BE K (15) · GB 4 without buoyant (13) · USPC 244/153R (12) · DE 77 (10) · USPC 244/53A (9) · USPC 244/149 (9) · GB 4 aërostats (8) · FR 5 (8) · USPC 244/144 (7) · FR 6 (7) · HU V/h (7)
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