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Patents > Tech fields : Airship or propellers or subsystem & Number of diagram pages: 2-50000000

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Supplementary to patent:
None (262) · Patent US-1909-970771 (6) · Patent FR-1908-396249 (4) · Patent GB-1908-4519 (4) · Patent FR-1911-430455 (3) · Patent FR-1908-401308 (3) · Patent US-1910-1011683 (3)
Related to aircraft:
Patent agent:
None (159) · Boult, Wade & Tennant (13) · Marks & Clerk (10) · Lavoix et Mosès (7) · Munn & Co. (7) · Haseltine, Lake & Co. (6) · None (6) · Matray frères et Cie (6) · Weismann et Marx (5) · Armengaud jeune (5) · A. M. & William Clark (4) · H. D. Fitzpatrick & Co. (4) · Chassevent (3) · Charles Dony (3) · J. Bonnet-Thirion (3) · J. Owden O'Brien (3) · Brandon frères (3) · Victor J. Evans (3) · Wheatley & Mackenzie (3)
National tech categories:
None (142) · FR 6.4 (81) · HU V/h (44) · FR 6.3 (12) · FR 6.2 (6) · DE 77 (6) · CH 129b (5) · USPC 244/125 (5) · GB 4 propel & steer (4) · USPC 244/119 (3) · USPC 244/22 (3) · USPC 244/23R (3) · USPC 244/26 (3) · USPC 244/73R (3) · USPC 244/65 (3) · USPC 244/50 (3)
IPCs:
None (180) · IPC B64C39/00 (25) · IPC B64B1/00 (24) · IPC B64C17/00 (20) · IPC B64C11/00 (16) · IPC B64C1/00 (13) · IPC B64C23/00 (9) · IPC B64C27/04 (8) · IPC B64C33/02 (7) · IPC B64C33/00 (7) · IPC B64C13/00 (5) · IPC B64B1/58 (5) · IPC B64D35/06 (4) · IPC B64B1/62 (4) · IPC B64C35/00 (4)
CPCs:
None (102) · CPC B64B1/00 (34) · CPC B64C17/00 (24) · CPC B64C23/005 (16) · CPC B64C13/00 (16) · CPC B64C39/00 (14) · CPC B64C33/02 (10) · CPC B64C2700/6295 (10) · CPC B64C2700/6274 (9) · CPC B64C11/006 (9) · CPC B64C39/005 (7) · CPC B64C33/00 (6) · CPC B64C2700/6212 (6)
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