Drilldown: Patents

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Patents > Inventor country : CA or None

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Inventor country: (Click arrow to add another value)
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Application number:
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Supplementary to patent:
None (2586) ·   (4) · Patent CA-1910-131159 (4) · Patent CA-1878-8860 (3) · Patent US-1911-994106 (3) · Patent GB-1911-20722 (3) · Patent FR-1880-139386 (3) · Patent US-1913-1118124 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent US-1911-1003885 (2) · Patent FR-1900-299924 (2) · Patent CA-1918-196108 (2) · Patent CA-1918-192493 (2) · Patent CA-1917-183481 (2) · Patent CA-1909-126457 (2) · Patent FR-1881-143264 (2) · Patent BE-1913-253298 (2)
Related to aircraft:
Patent agent:
None (2444) · Desnos (12) · Blétry aîné (10) · Armengaud jeune (9) · Chassevent (7) · Dieuaide (6) · Société Marillier et Robelet (6) · Marks & Clerk (5) · Thirion (4) · Dumas (4) · None (4) · Casalonga (4) · Société Louis Gudman et Cie (4) · Munn & Co. (4) · Armengaud aîné (4)
National tech categories:
None (2122) · FR 6.3 (170) · GB 4 propel & steer (23) · FR 6.4 (21) · GB 4 with buoyant (19) · USPC 244/147 (15) · GB 4 (15) · USPC 244/139 (15) · BE K (14) · GB 4 without buoyant (12) · USPC 244/142 (12) · USPC 244/153R (10) · DE 77 (9) · DE 77h.5 (8) · FR 5 (8) · USPC 244/149 (8) · USPC 244/53A (7) · GB 4 aërostats (6) · FR 6 (6)
IPCs:
None (2588) · IPC B64C39/00 (13) · IPC B64C23/00 (10) · IPC B64C13/00 (6) · IPC B64C11/00 (5) · IPC B64C11/36 (4) · IPC B63H1/12 (3) · IPC B64C5/04 (3) · IPC B64C3/00 (3) · IPC B64C27/04 (3) · IPC B64C17/00 (3)
First filing:
Citations from after 1930:
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