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Patents > IPCs : IPC B64B1/58 or IPC B64B1/62 or IPC B64C25/00

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Tech fields:
LTA (212) · frame (72) · landing (64) · airplane (61) · wheels (42) · chassis (39) · construction (37) · balloon (35) · navigation (33) · design (31) · gas (25) · stability (22) · Propulsion (22) · airship (22) · balloons (21) · suspension (21) · envelope (20) · dirigible (20) · ballonet (18) · subsystem (18)
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Supplementary to patent:
None (250) · Patent ES-1906-38692 (4) · Patent DE-1908-220975 (3) · Patent IT-1915-150227 (3) · Patent FR-1913-456298 (3) · Patent FR-1909-420322 (3) · Patent FR-1907-382794 (3) · Patent IT-1917-03-16 Federico Caproni (2) · Patent GB-1927-653688 (2) · Patent GB-1908-22308 (2) · Patent FR-1911-419438 (2) · Patent DE-1912-08-22‎ (2) · Patent DE-1909-227246 (2) · Patent DE-1909-03-30 (2) · Patent DE-1908-239989 (2) · Patent DE-1908-221549 (2) · Patent FR-1907-392977 (2) · Patent BE-1907-11-22 Albert Jouveneau (2) · Patent AT-1909-42853 (2) · Patent AT-1911-58081 (2)
Related to aircraft:
Patent agent:
None (135) · Marks & Clerk (18) · Armengaud jeune (18) · Lavoix et Mosès (12) · J. Bonnet-Thirion (8) · None (6) · Charles Dony (6) · Schwab (6) · Boramé et Julien (5) · E. Blétry (5) · Hippolyte Josse (5) · Ed. Wolf (4) · L. Chassevent (4) · Weismann et Marx (4) · Herbert Haddan & Co. (4) · J. Germain (4)
National tech categories:
FR 6.4 (213) · None (76) · USPC 244/97 (9) · DE 77 (7) · DE 77h.4 (7) · FR 6.3 (6) · USPC 244/100R (6) · DE 77h (6) · DE 77h.9 (6) · DE 77h.15 (4) · DE 77h.3 (4) · USPC 244/126 (3) · USPC 244/102R (3) · USPC 244/104R (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/58 (184) · CPC B64C25/06 (73) · CPC B64F2700/6226 (73) · CPC B64B1/62 (59) · CPC B64C25/62 (41) · CPC B64C25/64 (29) · CPC B64C25/52 (27) · CPC B64C25/54 (21) · CPC B64C25/60 (9) · None (6) · CPC B64C25/00 (5) · CPC B64C25/50 (5) · CPC B64C25/02 (4) · CPC B64C25/62 B64F2700/6226 (4) · CPC B64C25/14 (4) · CPC B64B1/00 (4)
First filing:
Citations from after 1930:
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