Drilldown: Patents

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Patents > Tech fields : Airship or propeller or propellers & Grant date: 1910 - 1919 & Number of text pages: 3-4

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None (247) · Patent US-1909-970771 (4) · Patent GB-1909-12556 (3) · Patent FR-1909-410140 (3) · Patent DE-1913-301564 (3) · Patent DE-1907-214228 (2) · Patent US-1913-1087946 (2) · Patent US-1910-993987 (2) · Patent GB-1911-5162 (2) · Patent FR-1911-430455 (2) · Patent FR-1908-407090 (2) · Patent FR-1908-404631 (2) · Patent FR-1908-397517 (2) · Patent US-1917-1288867 (2) · Patent BE-1909-03-15 Louis-Joseph-Jean-Baptiste Chêneau and Albert Prévost (2)
Related to aircraft:
Patent agent:
None (97) · Marks & Clerk (10) · Boult, Wade & Tennant (9) · None (7) · Haseltine, Lake & Co. (6) · Victor J. Evans (6) · Armengaud jeune (5) · Dupont et Elluin (5) · G. de Mestral et F. Harlé (5) · E. Blétry (5) · J. Bonnet-Thirion (4) · Schwab (4) · Watson E. Coleman (4) · Munn & Co. (4)
National tech categories:
None (108) · FR 6.4 (77) · HU V/h (33) · FR 6.2 (10) · USPC 244/6 (6) · CH 129b (5) · USPC 244/65 (4) · USPC 244/139 (4) · USPC 244/46 (4) · USPC 244/51 (4) · USPC 244/66 (4) · USPC 244/87 (4) · USPC 244/119 (4) · USPC 244/80 (4)
IPCs:
None (170) · IPC B64C11/00 (19) · IPC B64C39/00 (18) · IPC B64B1/00 (12) · IPC B64C23/00 (11) · IPC B64C11/16 (7) · IPC B64C27/04 (6) · IPC B63H1/12 (6) · IPC B64C11/36 (5) · IPC B64C11/30 (5) · IPC B64C27/00 (4) · IPC B64B1/58 (4) · IPC B64C1/00 (4) · IPC B64C33/00 (4) · IPC B64D27/00 (3) · IPC B64C17/00 (3) · IPC B64C35/00 (3) · IPC B64B1/62 (3) · IPC B64C11/04 (3)
CPCs:
None (57) · CPC B64C23/005 (27) · CPC B64B1/00 (22) · CPC B64C11/006 (15) · CPC B64C39/00 (11) · CPC B64C2700/6295 (10) · CPC B64C11/16 (9) · CPC B64C2700/6274 (9) · CPC B64C39/08 (8) · CPC B64C39/005 (7) · CPC B64C11/00 (6) · CPC B64C33/02 (6) · CPC B64C3/385 (6) · CPC B64C17/00 (6) · CPC B64B1/58 (5) · CPC B64C11/36 (5) · CPC B64C27/04 (5) · CPC B63H2001/122 (5) · CPC B64C2700/6281 (5) · CPC B64C3/14 (5)
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Citations from after 1930:
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