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Patents > Applicant firm: None & Tech fields : aerial propellers or control

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Supplementary to patent:
None (475) · Patent GB-1909-2111 (6) · Patent FR-1909-399456 (6) · Patent FR-1908-396249 (5) · Patent CH-1910-52044 (5) · Patent IT-1910-10-17 Carlo Navaro (5) · Patent FR-1907-377174 (4) · Patent FR-1905-361570 (3) · Patent FR-1905-356644 (3) · Patent FR-1861-51979 (3) · Patent US-1910-993987 (3) · Patent FR-1909-399456.11513 (3) · Patent IT-1911-06-09 Carlo Navaro (3) · Patent DE-1908-239989 (3) · Patent AT-1907-37570 (3) · Patent DE-1909-11-30 Attilio Robiola (3) · Patent FR-1912-450422 (3)
Related to aircraft:
Patent agent:
None (251) · Armengaud jeune (36) · None (23) · Weismann et Marx (17) · Marks & Clerk (14) · Abel & Imray (14) · Haseltine, Lake & Co. (11) · Herbert Haddan & Co. (10) · J. Germain (10) · L. Chassevent (9) · E. Blétry (8) · Munn & Co. (8) · Boult, Wade & Tennant (8) · Hippolyte Josse (7) · Schwab (7) · Charles Dony (7) · Dom. Casalonga (7) · Charles Assi (6) · Matray frères et Cie (6)
National tech categories:
FR 6.4 (233) · None (208) · BE K (38) · DE 77h.5 (25) · HU V/h (24) · AT 77d (15) · FR 6.3 (13) · DE 77 (12) · FR 6.2 (11) · USPC 244/234 (6) · USPC 244/233 (6) · USPC 244/45R (5) · USPC 244/79 (5) · CH 129b (5) · USPC 244/237 (5) · FR 20 (4) · DK 77 (4) · FR 5.8 (4) · USPC 244/90R (4) · USPC 244/51 (4)
IPCs:
None (251) · IPC B64C17/00 (77) · IPC B64C13/00 (68) · IPC B64C1/00 (51) · IPC B64C39/00 (38) · IPC B64C3/38 (23) · IPC B64C23/00 (15) · IPC B64C11/00 (14) · IPC CPC B64C13/00 (12) · IPC B64C13/04 (11) · IPC B64C33/02 (11) · IPC B64C3/54 (10) · IPC B64C13/12 (9) · IPC B64C11/04 (8) · IPC B64B1/00 (8) · IPC B64D35/04 (8) · IPC B64C17/06 (7) · IPC B64C13/24 (7) · IPC B64C9/00 (6)
CPCs:
None (180) · CPC B64C13/00 (97) · CPC B64C17/00 (84) · CPC B64C2700/6256 (42) · CPC B64C2700/6218 (27) · CPC B64C39/00 (26) · CPC B64C2700/6212 (24) · CPC B64C3/385 (21) · CPC B64C2700/6295 (20) · CPC B64C23/005 (14) · CPC B64B1/00 (14) · CPC B64C2700/6274 (13) · CPC B64C13/04 (13) · CPC B64C13/12 (13) · CPC B64C2700/6214 (12) · CPC B64C33/02 (11) · CPC B64C11/006 (11)
First filing:
Citations from after 1930:
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