Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : Airship or propulsion & Patent agent : Armengaud jeune or None

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Inventor country:
FR (255) · US (209) · DE (172) · None (120) · GB (64) · HU (39) · AT (32) · BE (26) · IT (21) · CA (16) · RU (13) · CH (10) · AH (7) · ES (7) · Prussia (7) · HR (6) · Poland (5) · SE (5) · AU (4)
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Applicant is inventor:
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Supplementary to patent:
None (757) · Patent GB-1911-12232 (6) · Patent FR-1904-340154 (4) · Patent DE-1899-123884 (4) · Patent CH-1912-62201 (4) · Patent US-1909-1010443 (3) · Patent FR-1902-328044 (3) · Patent FR-1910-423792 (3) · Patent DE-1907-215602 (3) · Patent DE-1902-140705 (3) · Patent CH-1899-18666 (3) · Patent FR-1908-404631 (3)
Patent agent: (Click arrow to add another value)
IPCs:
None (694) · IPC B64B1/00 (50) · IPC B64C11/00 (31) · IPC B64C39/00 (28) · IPC B64C33/02 (15) · IPC B64B1/58 (12) · IPC B64C33/00 (10) · IPC B64C11/16 (9) · IPC B64B1/40 (8) · IPC B64C23/00 (8) · IPC B64C27/04 (8) · IPC B64D27/00 (7) · IPC B63H1/12 (6) · IPC B64C23/005 (6) · IPC B64C9/00 (5) · IPC B64C1/00 (4) · IPC B64B1/06 (4) · IPC B64C11/04 (4)
CPCs:
None (573) · CPC B64B1/00 (69) · CPC B64C11/006 (32) · CPC B64C23/005 (26) · CPC B64C33/02 (22) · CPC B64C39/005 (16) · CPC B64B1/58 (15) · CPC B64C11/00 (13) · CPC B64C39/00 (13) · CPC B64C2700/6295 (10) · CPC B64C33/00 (9) · CPC B64C9/00 (9) · CPC B64C2700/6281 (9) · CPC B64C29/0025 (9) · CPC B64B1/40 (8) · CPC B64C11/001 (8) · CPC B64C11/16 (8) · CPC B64D27/00 (7)
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Citations from after 1930:
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