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Patents > Inventor country : FR or NO & Applicant firm : Société Antoinette or None & Tech fields : design or propellers or propulsion or stability

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National tech categories:
FR 6.4 (773) · None (226) · FR 6.3 (101) · BE K (64) · FR 6.2 (57) · HU V/h (28) · FR 5 (15) · FR 5.8 (13) · FR 6 (12) · IT 8 (11) · DE 77h.5 (11) · FR 5.3 (9) · FR 6.1 (8) · DE 77 (7) · AT 77d (7) · FR 3 (6) · FR 10.1 (5) · RU Group V (5) · CH 129b (5) · USPC 244/119 (4)
IPCs:
None (404) · IPC B64C17/00 (196) · IPC B64C1/00 (174) · IPC B64C39/00 (116) · IPC B64B1/00 (64) · IPC B64C11/00 (61) · IPC B64C3/00 (30) · IPC B64C3/38 (30) · IPC B64C17/06 (27) · IPC B64C23/00 (27) · IPC B63H1/12 (22) · IPC B64C35/00 (20) · IPC B64C27/04 (20) · IPC B64C33/02 (20) · IPC B64C25/00 (19) · IPC B64B1/58 (18) · IPC B64C13/00 (18) · IPC B64C11/16 (16) · IPC B64C11/04 (15) · IPC B64C3/54 (13)
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