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Patents > Year granted: 1893 & IPCs : IPC B64B1/00 or None

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None (19) · Carl Friedrich Billwiller (5) · de Préneuf (3) · Georg Wellner (2) · Rudolf Chillingworth (2) · Otto Lilienthal (2)
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None (41) · Carl Friedrich Billwiller (5) · de Préneuf (3) · Georg Wellner (2)
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None (28) · LTA (25) · propulsion (14) · navigation (11) · safety (9) · balloon (9) · dirigible (8) · aerostat (8) · frame (7) · propeller (6) · car (5) · electricity (5) · nacelle (3) · marine (3) · instrument (3) · gas (3) · flapping (3) · rocket (3)
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None (48) · CPC B64B1/00 (5) · CPC B64C3/48 (3) · CPC F01D5/06 (2) · CPC B64C11/48 (2) · CPC B64C11/00 (2) · CPC B64C11/006 (2) · CPC B64C27/54 (2) · CPC B64C11/065 (2)
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