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Patents > Tech fields: propulsion & Number of text pages: None

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None (458)
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Supplementary to patent:
None (453) · Patent FR-1881-142748 (3) · Patent DE-1899-123884 (3) · Patent FR-1900-299924 (2) · Patent FR-1892-225358 (2) · Patent IT-1902-65889 (2) · Patent GB-1909-12556 (2) · Patent FR-1885-168266 (2) · Patent FR-1911-430455 (2) · Patent FR-1911-426626 (2) · Patent BE-1900-151102 (2) · Patent FR-1893-228892 (2) · Patent FR-1902-326727 (2) · Patent GB-1905-15698 (2) · Patent US-1909-1010443 (2) · Patent FR-1881-143296 (2)
Patent agent:
None (418) · Armengaud jeune (5) · Armengaud aîné (4) · Raclot (4) · J. Gevers (4) · Émile Barrault (4) · Desnos (4) · Chassevent (4) · Wunderlich (4) · A. Wunderlich & Cie, Ingénieurs-Conseils (4) · Société Louis Gudman et Cie (3) · Blétry frères (3) · 0 (3)
National tech categories:
None (170) · FR 6.3 (84) · BE K (42) · IT 8 (28) · GB 4 propel & steer (23) · FR 6.4 (17) · FR 5 (13) · GB 4 without buoyant (13) · GB 4 with buoyant (13) · GB 4 (11) · FR 6 (10) · USPC 244/22 (9) · USPC 244/73R (7) · FR 6.2 (7) · GB 4 aërostats (5) · FR 3 (5) · USPC 244/6 (5) · USPC 244/52 (5)
IPCs:
None (467) · IPC B64B1/00 (17) · IPC B64C11/00 (7) · IPC B64C33/02 (7) · IPC B64C33/00 (5) · IPC B64C23/005 (5) · IPC B64C39/00 (4) · IPC B64C9/00 (4) · IPC B64C39/005 (3) · IPC B64D35/04 (3) · IPC B63H1/12 (3) · IPC B64C39/008 (2) · IPC B64C11/16 (2) · IPC B64C11/001 (2) · IPC B64B1/58 (2) · IPC B64B1/40 (2) · IPC B64C9/38 (2)
CPCs:
None (421) · CPC B64B1/00 (21) · CPC B64C11/006 (14) · CPC B64C33/02 (13) · CPC B64C23/005 (8) · CPC B64C39/005 (6) · CPC B64C9/00 (5) · CPC B64C39/008 (5) · CPC B64C11/001 (4) · CPC B64C29/0025 (4) · CPC B64C9/38 (4) · CPC B64C2700/6281 (3) · CPC B64C27/12 (3) · CPC B64C11/00 (3) · CPC B63H1/12 (3) · CPC B64D35/04 (3)
First filing:
Citations from after 1930:
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