Drilldown: Patents

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Patents > Tech fields : Airship or wings & Supplementary to patent : Patent US-1909-970771 or None & Number of text pages: 2-3

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None (208) · Armengaud jeune (29) · Weismann et Marx (9) · Hippolyte Josse (9) · None (7) · Marks & Clerk (7) · G. de Mestral et F. Harlé (6) · E. Blétry (5) · Haseltine, Lake & Co. (4) · C. Blétry (4) · J. Bonnet-Thirion (4) · Brierley & Howard (4) · Lavoix et Mosès (4) · L. Chassevent (4) · Charles Dony (3) · Émile Bert (3) · P. Follin (3) · Hy. Fairbrother (3) · Victor J. Evans (3)
National tech categories:
FR 6.4 (137) · None (74) · HU V/h (59) · AT 77d (31) · DE 77h.5 (18) · DE 77 (11) · FR 6.3 (7) · DE 77h.7 (5) · DE 77h.4 (5) · DK 77 (4) · DE 77h (3) · USPC 244/22 (3)
IPCs:
None (167) · IPC B64C39/00 (26) · IPC B64C3/00 (25) · IPC B64B1/00 (24) · IPC B64C17/00 (17) · IPC B64C33/02 (15) · IPC B64C1/00 (15) · IPC B64C23/00 (10) · IPC B64B1/58 (9) · IPC B64C3/54 (9) · IPC B64C13/00 (8) · IPC B64C11/00 (8) · IPC B64C3/52 (6) · IPC B64C3/48 (6) · IPC B64C3/38 (6) · IPC B64C3/56 (6) · IPC B64C3/14 (5) · IPC B64C33/00 (5) · IPC B64C21/02 (4) · IPC B64C3/26 (4)
CPCs:
None (128) · CPC B64B1/00 (29) · CPC B64C3/00 (26) · CPC B64C39/00 (19) · CPC B64C17/00 (17) · CPC B64C2700/6295 (17) · CPC B64C2700/6233 (16) · CPC B64C33/02 (16) · CPC B64C13/00 (12) · CPC B64C23/005 (11) · CPC B64B1/58 (10) · CPC B64C3/54 (10) · CPC B64C3/14 (7) · CPC B64C33/00 (7) · CPC B64C3/56 (7) · CPC B64C3/48 (7) · CPC B64C2700/6256 (6) · CPC B64C3/385 (6) · CPC Y02T50/166 (6) · CPC B64C3/52 (6)
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