Drilldown: Patents

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Patents > Inventor country: None & Cites these patents : 1912 or None & Number of claims: None

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None (2861) ·   (7) · Patent FR-1880-139386 (3) · Patent DE-1899-123884 (2) · Patent FR-1900-299924 (2) · Patent FR-1881-143264 (2) · Patent BE-1913-253298 (2)
Related to aircraft:
Patent agent:
None (2755) · Desnos (13) · Armengaud jeune (10) · Blétry aîné (10) · Chassevent (7) · Dieuaide (7) · Société Marillier et Robelet (6) · Dumas (5) · Nauhardt (4) · Casalonga (4) · Société Louis Gudman et Cie (4) · Thirion (4) · Armengaud aîné (4) · Société Matray frères (3) · Société Thirion et Bonnet (3) · Caron (3) · Bardin (3) · Alfred Julius Boult (3) · Fayollet (3) · Duvinage (3)
National tech categories:
None (2379) · FR 6.3 (188) · GB 4 with buoyant (22) · GB 4 propel & steer (22) · GB 4 (18) · USPC 244/139 (18) · USPC 244/147 (17) · USPC 244/142 (16) · BE K (15) · USPC 244/153R (13) · GB 4 without buoyant (11) · USPC 244/53A (9) · USPC 244/149 (9) · FR 5 (8) · GB 4 aërostats (8) · FR 6 (7) · USPC 244/144 (7) · USPC 244/3.1 (6)
IPCs:
None (2902) · IPC B64C11/00 (4) · IPC B63H1/12 (3) · IPC B64C23/00 (3) · IPC B64C39/00 (2) · IPC F41G3/24 (2) · IPC B64C17/00 (2)
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