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Patents > IPCs : IPC B64C3/38 or IPC B64C33/02 or IPC B64C39/00 & First filing: Yes

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Inventor country:
FR (209) · US (106) · GB (73) · DE (60) · AT (10) · None (9) · RU (8) · IT (7) · RO (4) · CH (4) · IE (3) · ZA (3) · BE (3) · AR (2) · DZ (2) · HU (2) · NZ (2)
Applicant is inventor:
Tech fields:
airplane (146) · None (121) · propulsion (70) · wings (69) · design (68) · Frame (53) · stability (51) · Control (45) · navigation (38) · construction (36) · flapping (33) · Whole (30) · propellers (29) · aerodynamics (28) · LTA (24) · airfoil (22) · lift (20) · ornithopter (19)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (464) · Patent FR-1912-446040 (2) · Patent FR-1916-502839 (2)
Related to aircraft:
Patent agent:
None (115) · None (40) · Armengaud jeune (20) · Marks & Clerk (12) · Haseltine, Lake & Co. (9) · J. Germain (8) · J. Bonnet-Thirion (8) · Chassevent (8) · Weismann et Marx (7) · L. Chassevent (7) · E. Blétry (7) · Dom. Casalonga (6) · Y. Rabilloud et fils (6) · C. Blétry (6) · Boult, Wade & Tennant (6) · Munn & Co. (6) · Brandon frères (5)
National tech categories:
FR 6.4 (235) · None (159) · USPC 244/45R (14) · DE 77h.5 (11) · DE 77 (11) · USPC 244/13 (9) · USPC 244/48 (8) · USPC 244/22 (8) · USPC 244/72 (6) · DE 77h.10 (5) · FR 6.3 (5) · DE 77h.11 (5) · USPC 244/90R (4) · USPC 244/70 (4) · USPC 244/27 (4) · USPC 244/234 (4) · USPC 244/20 (3) · USPC 244/9 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (163) · CPC B64C2700/6295 (162) · CPC B64C3/385 (98) · CPC B64C33/02 (85) · CPC B64C39/005 (43) · CPC B64C39/08 (39) · CPC B64C39/008 (21) · CPC B64C3/38 (15) · CPC B64C39/003 (8) · None (8) · CPC B64C39/006 (7) · CPC Y02T50/145 (5) · CPC B64C39/062 (4) · CPC B64C33/00 (4) · CPC B64C3/42 (4) · CPC B64C39/06 (3) · CPC B64C33/025 (3) · CPC B64C2700/6242 (3)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

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