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Patents > CPCs : CPC B64C11/006 or CPC B64C23/005 & Number of text pages: 2-3

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Tech fields:
propulsion (93) · airplane (63) · propellers (52) · propeller (47) · None (38) · helicopter (32) · hybrid (30) · frame (29) · design (29) · navigation (27) · ascension (19) · LTA (18) · Marine (17) · Wings (17) · Construction (16) · lift (16) · Control (15) · sustentation (13) · Stability (13)
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None (36)
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Supplementary to patent:
None (209) · Patent FR-1909-410140 (3) · Patent DE-1909-220044 (2) · Patent FR-1915-525800 (2) · Patent FR-1908-407090 (2) · Patent DE-1912-267069 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1908-394254‎ (2) · Patent AU-1916-630 (2) · Patent AT-1909-40038 (2)
Related to aircraft:
Patent agent:
None (58) · Armengaud jeune (10) · None (10) · G. de Mestral et F. Harlé (7) · Schwab (6) · Paul Caquet (6) · Munn & Co. (6) · J. Bonnet-Thirion (6) · Victor J. Evans (5) · Rigot et Prévost (5) · E. Blétry (4) · Boult, Wade & Tennant (4) · Boramé et Julien (4) · Y. Rabilloud et fils (4) · C. A. Snow & Co. (3) · J. Germain (3) · Lloyd Wise & Co. (3)
National tech categories:
FR 6.4 (105) · None (81) · USPC 244/6 (23) · USPC 244/66 (14) · FR 6.2 (10) · USPC 416/113 (9) · DE 77 (6) · USPC 416/116 (6) · USPC 244/12.1 (5) · FR 6.3 (5) · USPC 244/35R (3) · USPC 416/108 (3) · USPC 244/71 (2) · USPC 244/231 (2) · USPC 244/100R (2) · DE 77h.6 (2) · FR 5.8 (2) · USPC 244/60 (2)
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Cites these patents:
None (279)
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