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Patents > Tech fields : airplane or safety & IPCs : IPC B64B1/00 or IPC B64C11/00 or IPC B64C25/00 or IPC B64C39/00

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Supplementary to patent:
None (193) · Patent FR-1916-502839 (5) · Patent IT-1915-150227 (3) · Patent FR-1909-420322 (3) · Patent FR-1908-396470 (2) · Patent CH-1909-48028 (2) · Patent FR-1917-502839.21604 (2) · Patent IT-1917-03-16 Federico Caproni (2) · Patent NZ-1909-26981 (2) · Patent FR-1902-326476 (2) · Patent FR-1908-397350 (2) · Patent FR-1915-502433 (2) · Patent FR-1909-410848 (2) · Patent FR-1909-421311 (2) · Patent BE-1907-202697 (2) · Patent FR-1910-414004 (2) · Patent FR-1911-419438 (2) · Patent FR-1909-395148 (2)
Related to aircraft:
Patent agent:
None (79) · Armengaud jeune (28) · None (13) · J. Bonnet-Thirion (11) · Weismann et Marx (9) · Charles Dony (9) · Marks & Clerk (8) · E. Blétry (7) · Boult, Wade & Tennant (6) · G. de Mestral et F. Harlé (6) · Boramé et Julien (6) · Lavoix et Mosès (5) · L. Chassevent (5) · J. Germain (5) · Dupont et Elluin (5) · Hippolyte Josse (5) · Brandon frères (4) · Gaston Rose (4) · Société A. Frey et de Carsalade (4)
National tech categories:
FR 6.4 (205) · None (55) · USPC 244/30 (8) · FR 6.3 (8) · DE 77h.5 (5) · USPC 244/25 (5) · USPC 244/13 (4) · USPC 244/45R (3) · USPC 244/32 (3) · USPC 244/26 (3) · USPC 244/127 (3) · USPC 244/100R (2) · USPC 244/99 (2) · USPC 244/9 (2) · USPC 244/67 (2) · USPC 244/104CS (2) · USPC 244/19 (2) · DE 77h.9 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (141) · CPC B64C2700/6295 (111) · CPC B64B1/00 (50) · CPC B64C25/06 (31) · CPC B64F2700/6226 (26) · CPC B64C25/62 (19) · CPC B64C39/005 (17) · CPC B64C39/08 (16) · CPC B64C25/64 (15) · CPC B64C11/006 (13) · CPC B64C11/00 (11) · CPC B64C25/52 (11) · CPC B64C25/54 (9) · CPC B64C39/008 (6) · CPC B64D2700/62692 (6) · CPC B64C39/003 (6) · CPC B64B1/40 (5) · CPC B64C25/60 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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