Drilldown: Patents

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Patents > Tech fields : Flapping or None & Number of diagram pages: 2-4

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Applicant firm:
None (778) · Curtiss Aeroplane (7) · Alphonse Tellier et Cie (5) · Sturtevant Aeroplane Co. (2) · Société Zodiac‎ (2) · Société Duquesne & Dockès (2) · Planes Ltd. (2) · Magneso Calcite Fire-Proof Company (2) · Westinghouse Air Spring Company (2) · Aktiebolaget Aviatorer (2)
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Supplementary to patent:
None (657) · Patent BE-1910-12-28-Muehter (4) · Patent US-1911-1032812 (3) · Patent US-1916-1208684 (3) · Patent BE-1912-08-13-Panian (3) · Patent BE-1910-230887 (3)
Related to aircraft:
National tech categories:
None (270) · FR 6.4 (209) · USPC 244/22 (28) · USPC 244/45R (20) · USPC 244/28 (14) · USPC 244/80 (12) · USPC 244/233 (12) · USPC 244/48 (11) · USPC 244/113 (10) · USPC 244/72 (10) · USPC 244/64 (10) · USPC 244/119 (9) · DE 77 (9) · USPC 244/90R (8) · FR 6.3 (8) · USPC 244/6 (7) · HU V/h (6) · USPC 244/46 (6)
IPCs:
None (387) · IPC B64C39/00 (68) · IPC B64C17/00 (46) · IPC B64C1/00 (44) · IPC B64C3/38 (35) · IPC B64C33/02 (24) · IPC B64C33/00 (23) · IPC B64C23/00 (19) · IPC B64C13/00 (18) · IPC B64C35/00 (16) · IPC B64B1/00 (16) · IPC B64C11/00 (15) · IPC B64C3/00 (14) · IPC B64C27/04 (10) · IPC B64C25/00 (9) · IPC B64C3/54 (9) · IPC B64C3/56 (9) · IPC B64C17/06 (8)
First filing:
Citations from after 1930:
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