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Patents > IPCs : IPC B64B1/00 or IPC B64C3/38 or IPC B64C33/00

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Tech fields:
LTA (382) · frame (126) · airplane (119) · navigation (108) · propulsion (103) · balloon (86) · design (75) · stability (72) · Wings (57) · dirigible (55) · airship (53) · hybrid (52) · construction (52) · flapping (44) · propeller (38) · car (34) · safety (33) · None (33) · control (32) · dirigibles (32)
Full specification filed date:
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Supplementary to patent:
None (506) · Patent FR-1913-472867 (4) · Patent AT-1912-75092 (3) · Patent FR-1908-392672 (3) · Patent FR-1912-449167 (3) · Patent FR-1913-467415 (3) · Patent ES-1906-38692 (3)
Related to aircraft:
Patent agent:
None (262) · None (25) · Armengaud jeune (25) · Haseltine, Lake & Co. (13) · Munn & Co. (11) · E. Blétry (10) · Brandon frères (10) · Boramé et Julien (10) · Hippolyte Josse (10) · Chassevent (10) · Lavoix et Mosès (8) · Weismann et Marx (7) · J. Bonnet-Thirion (7) · G. Petiau (6) · Marks & Clerk (6) · Boult, Wade & Tennant (6) · de Bongé (5) · C. Baumann (5) · C. Blétry (5) · G. de Mestral et F. Harlé (5)
National tech categories:
FR 6.4 (288) · None (123) · FR 6.3 (58) · USPC 244/30 (38) · USPC 244/26 (17) · USPC 244/22 (16) · USPC 244/25 (15) · DE 77h.2 (11) · USPC 244/32 (8) · USPC 244/127 (8) · USPC 244/11 (8) · USPC 244/96 (8) · USPC 244/48 (8) · DE 77 (8) · USPC 244/125 (7) · USPC 244/29 (7) · DE 77h.5 (7) · USPC 244/67 (7) · USPC 244/97 (7)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (418) · CPC B64C3/385 (104) · CPC B64C33/00 (64) · CPC B64C3/38 (25) · CPC B64B1/40 (22) · CPC B64C33/02 (19) · CPC B64B1/005 (12) · CPC B64B1/58 (10) · None (8) · CPC B64F2700/6219 (5) · CPC Y10T24/3747 (5) · CPC B64B1/62 (4) · CPC Y02T50/145 (4) · CPC B64C2700/6242 (3) · CPC B64C17/00 (3) · CPC B64B1/50 (3)
First filing:
Citations from after 1930:

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