Drilldown: Patents

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Patents > Tech fields : Airship or Stability & Number of claims: 4-7

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Supplementary to patent:
None (265) · Patent GB-1909-2111 (4) · Patent GB-1908-4519 (4) · Patent BE-1911-05-15 Georges de Bothezat (4) · Patent IT-1911-06-09 Carlo Navaro (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent GB-1909-26034 (3)
Related to aircraft:
Patent agent:
None (146) · Armengaud jeune (19) · Marks & Clerk (17) · Haseltine, Lake & Co. (11) · Munn & Co. (10) · None (9) · Boult, Wade & Tennant (7) · Abel & Imray (7) · E. Blétry (7) · Lavoix et Mosès (6) · Charles Dony (6) · Victor J. Evans (5) · Wheatley & Mackenzie (5) · H. Boettcher fils (4) · Schwab (4) · Paul Coulomb (4)
National tech categories:
None (126) · FR 6.4 (107) · HU V/h (40) · USPC 244/80 (13) · AT 77d (10) · USPC 244/93 (7) · FR 6.3 (7) · USPC 244/177 (5) · USPC 244/13 (5) · DE 77 (5) · CH 129b (4) · USPC 244/25 (4) · USPC 244/48 (4) · DK 77 (4) · USPC 244/90R (4) · AU 90.3 (4)
IPCs:
None (185) · IPC B64C17/00 (75) · IPC B64C1/00 (56) · IPC B64B1/00 (24) · IPC B64C39/00 (23) · IPC B64C17/06 (12) · IPC B64C13/00 (9) · IPC B64C3/38 (7) · IPC B64B1/40 (5) · IPC B64C27/04 (4) · IPC B64C23/00 (4) · IPC B64C11/00 (4) · IPC B64B1/58 (4) · IPC B64C33/00 (4) · IPC B64C9/00 (3) · IPC B64B1/62 (3) · IPC B64C35/00 (3) · IPC B64C25/00 (3)
CPCs:
None (103) · CPC B64C17/00 (100) · CPC B64C2700/6218 (27) · CPC B64B1/00 (25) · CPC B64C2700/6295 (22) · CPC B64C2700/6212 (17) · CPC B64C39/00 (16) · CPC B64C17/06 (16) · CPC B64C2700/6214 (16) · CPC B64C13/00 (16) · CPC B64C2700/6216 (12) · CPC B64C1/00 (10) · CPC B64C3/385 (10) · CPC B64C23/005 (9) · CPC B64C2700/6256 (6) · CPC B64B1/58 (5) · CPC B64B1/40 (5) · CPC B64C39/08 (5) · CPC B64C2700/6228 (5)
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