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Patents > Tech fields : Airship or wings & Number of claims: 3-6

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None (224) · Patent DE-1913-301564 (5) · Patent GB-1911-12232‎‎ (5) · Patent US-1909-970771 (4) · Patent SE-1906-23283 (4) · Patent AT-1912-75092 (4) · Patent AT-1907-37570 (3) · Patent CH-1912-62201 (3)
Related to aircraft:
Patent agent:
None (149) · Armengaud jeune (31) · Marks & Clerk (12) · Haseltine, Lake & Co. (10) · None (8) · Hippolyte Josse (7) · Dupont et Elluin (6) · E. Blétry (6) · Abel & Imray (5) · W. P. Thompson & Co. (5) · L. Chassevent (4) · G. de Mestral et F. Harlé (4) · Wheatley & Mackenzie (4) · Boult, Wade, and Tennant (4) · Boult, Wade & Tennant (4)
National tech categories:
None (122) · FR 6.4 (112) · HU V/h (52) · AT 77d (18) · DE 77h.5 (14) · FR 6.3 (9) · DK 77 (5) · DE 77 (5) · CH 129b (4) · DE 77h.7 (4) · USPC 244/22 (3) · GB 4 propel & steer (2) · GB 4 without buoyant (2) · USPC 244/96 (2)
IPCs:
None (148) · IPC B64C39/00 (35) · IPC B64B1/00 (24) · IPC B64C3/00 (23) · IPC B64C1/00 (15) · IPC B64C13/00 (10) · IPC B64C17/00 (10) · IPC B64C3/38 (10) · IPC B64C3/52 (9) · IPC B64C33/02 (8) · IPC B64C11/00 (6) · IPC B64C3/56 (5) · IPC B64C35/00 (5) · IPC B64C33/00 (5) · IPC B64C23/00 (5) · IPC B64C3/54 (4) · IPC B64C3/48 (4) · IPC B64B1/58 (4)
CPCs:
None (118) · CPC B64B1/00 (25) · CPC B64C3/00 (23) · CPC B64C39/00 (21) · CPC B64C2700/6295 (21) · CPC B64C2700/6233 (14) · CPC B64C13/00 (13) · CPC B64C17/00 (11) · CPC B64C33/02 (11) · CPC B64C3/52 (10) · CPC B64C2700/6256 (9) · CPC B64C23/005 (8) · CPC B64C3/385 (8) · CPC B64C3/56 (7) · CPC B64C2001/0081 (6) · CPC B64B1/40 (6)
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