Drilldown: Patents

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Patents > Tech fields: balloon & Number of text pages: None & Number of diagram pages: None

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None (181) · Comte Antoine Apraxine (8) · Alfred Julius Boult (4) · Leonardo Torres Quevedo (4) · Bel (3) · Robert Cooke Sayer (2) · Michael Henry (2) · de Préneuf (2) · Frederick William Zimer (2) · Juppont (2) · Guégnot (2)
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None (241) · Patent FR-1878-124576 (3) · Patent DE-1907-192662 (2) · Patent FR-1899-Boinet (2) ·   (2) · Patent FR-1881-143264 (2) · Patent FR-1881-142748 (2) · Patent DE-1907-194166 (2) · Patent FR-1891-215265 (2) · Patent CH-1899-18666 (2)
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None (136) · FR 6.3 (43) · FR 5 (37) · IT 8 (13) · GB 4 with buoyant (10) · GB 4 aërostats (9) · FR 6 (5) · GB 4 parachutes (5) · FR 6.4 (4) · GB 4 propel & steer (4) · CA 46/28 (3) · DE 77 (3) · GB 4 (3) · USPC 244/31 (2) · USPC 244/25 (2) · USPC 244/52 (2) · USPC 244/27 (2)
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