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Patents > Year granted: 1912 & Tech fields : Airplane or propulsion

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Supplementary to patent:
None (281) · Patent FR-1910-424987 (4) · Patent FR-1910-423792 (4) · Patent GB-1911-5162 (4) · Patent GB-1909-12556 (3) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3) · Patent FR-1909-420322 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent AU-1911-510 (3)
Patent agent:
None (139) · Armengaud jeune (28) · L. Chassevent (15) · Charles Dony (13) · None (12) · J. Bonnet-Thirion (10) · Hippolyte Josse (10) · Marks & Clerk (10) · Dupont et Elluin (6) · Schwab (6) · H. Bœttcher fils (6) · E. Blétry (5) · Haseltine, Lake & Co. (5) · Weismann et Marx (5) · Abel & Imray (5)
National tech categories:
FR 6.4 (204) · None (77) · HU V/h (17) · FR 6.2 (16) · DE 77h.5 (15) · AT 77d (13) · BE K (13) · RU Group V (8) · USPC 244/90R (5) · USPC 244/22 (4) · USPC 244/87 (4) · USPC 244/35R (4) · FR 5.8 (4) · AU 90.3 (4) · CH 129b (4)
IPCs:
None (157) · IPC B64C17/00 (59) · IPC B64C1/00 (49) · IPC B64C39/00 (41) · IPC B64C11/00 (18) · IPC B64C25/00 (18) · IPC B64C3/38 (13) · IPC B64C3/00 (12) · IPC B64C3/56 (11) · IPC B64C17/06 (9) · IPC B64C11/16 (7) · IPC B63H1/12 (5) · IPC B64C13/00 (5) · IPC B64C3/54 (5) · IPC B64C35/00 (5) · IPC B64C3/52 (4) · IPC B64C19/00 (4) · IPC B64C23/00 (4) · IPC B64B1/00 (4)
CPCs:
None (92) · CPC B64C17/00 (71) · CPC B64C39/00 (35) · CPC B64C2700/6295 (24) · CPC B64C2700/6218 (21) · CPC B64C3/385 (18) · CPC B64C13/00 (18) · CPC B64C11/006 (13) · CPC B64F2700/6226 (12) · CPC B64C23/005 (12) · CPC B64C25/06 (11) · CPC B64C2700/6214 (10) · CPC B64C3/56 (10) · CPC B64C3/00 (10) · CPC B64C17/06 (10) · CPC B64C1/00 (9) · CPC B64C33/02 (9) · CPC B64C3/14 (8)
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Citations from after 1930:
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