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Patents > Tech fields : Airship or Stability & Number of figures: 6-9

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None (227) · Patent GB-1909-2111 (5) · Patent GB-1903-27212 (4) · Patent IT-1910-10-17 Carlo Navaro (4) · Patent NZ-1909-26981 (4) · Patent GB-1910-6051 (3) · Patent FR-1910-415470 (3) · Patent DE-1909-05-03 Hans Lohmann (3) · Patent GB-1909-8531 (3) · Patent IT-1911-06-09 Carlo Navaro (3)
Related to aircraft:
Patent agent:
None (118) · Armengaud jeune (16) · Marks & Clerk (11) · Haseltine, Lake & Co. (10) · None (9) · Abel & Imray (7) · Munn & Co. (7) · J. Germain (5) · Victor J. Evans (5) · Lavoix et Mosès (4) · L. Chassevent (4) · E. Blum & Co. (3) · Gaston Rose (3) · J. Bonnet-Thirion (3) · Brandon frères (3) · Boult, Wade & Tennant (3) · Johnsons & Willcox (3) · Schwab (3)
National tech categories:
None (105) · FR 6.4 (104) · HU V/h (24) · USPC 244/90R (9) · AT 77d (7) · USPC 244/80 (6) · FR 6.3 (5) · USPC 244/177 (5) · DE 77 (4) · CH 129b (3) · USPC 244/26 (3) · USPC 244/46 (3) · USPC 244/22 (3) · USPC 244/6 (3)
IPCs:
None (150) · IPC B64C17/00 (77) · IPC B64C1/00 (59) · IPC B64C39/00 (16) · IPC B64B1/00 (13) · IPC B64C17/06 (12) · IPC B64C13/00 (6) · IPC B64B1/58 (6) · IPC B64C33/00 (5) · IPC B64B1/40 (5) · IPC B64C31/06 (4) · IPC B64C23/00 (4) · IPC B64C11/00 (4) · IPC B64C3/38 (4) · IPC B64C35/00 (3) · IPC B64C3/48 (3)
CPCs:
CPC B64C17/00 (94) · None (73) · CPC B64C2700/6218 (35) · CPC B64B1/00 (22) · CPC B64C2700/6212 (16) · CPC B64C2700/6295 (16) · CPC B64C2700/6214 (15) · CPC B64C17/06 (14) · CPC B64C13/00 (14) · CPC B64C39/00 (13) · CPC B64C2700/6216 (11) · CPC B64C23/005 (8) · CPC B64C1/00 (7) · CPC B64B1/40 (7) · CPC B64C2700/6256 (6) · CPC B64B1/58 (6) · CPC B64C3/385 (6) · CPC B64C2700/6219 (5) · CPC A63H27/08 (5) · CPC B64C39/005 (5)
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