Drilldown: Patents

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Patents > Year filed: 1912 & Granted: Yes & Patent agent: None

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Tech fields:
None (234) · airplane (104) · stability (59) · Frame (50) · design (43) · Construction (34) · aerodynamics (30) · LTA (30) · automatic stability (29) · propulsion (26) · wings (25) · propellers (24) · Airship (18) · Control (16) · navigation (13) · Lift (12) · wheels (12)
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Supplementary to patent:
None (419) · Patent GB-1911-12232 (4) · Patent AU-1911-510 (3) · Patent ES-1911-50083‎ (3) · Patent DE-1911-258741 (3) · Patent CH-1912-62201 (3) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent FR-1911-440594 (2) · Patent FR-1911-443878 (2) · Patent DE-1912-08-27 AGO Flugzeugwerke G. m. b. H. (2) · Patent BE-1910-12-31 Léon Dangy (2) · Patent GB-1911-12188 (2) · Patent AT-1911-57225 (2) · Patent US-1912-1081794 (2) · Patent AT-1912-64662 (2)
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National tech categories:
None (177) · FR 6.4 (75) · HU V/h (43) · AT 77d (25) · USPC 244/80 (9) · DE 77h.5 (9) · USPC 244/233 (6) · BE K (6) · USPC 244/100R (5) · USPC 244/90R (5) · USPC 244/78.1 (5) · USPC 244/48 (5) · USPC 244/92 (4) · USPC 244/104R (4) · USPC 244/119 (4) · DE 77h.9 (4) · USPC 244/139 (4) · USPC 244/93 (4) · USPC 244/87 (4)
IPCs:
None (384) · IPC B64C17/00 (16) · IPC B64C1/00 (15) · IPC B64C39/00 (13) · IPC B64B1/00 (7) · IPC B64C35/00 (6) · IPC B64C11/00 (6) · IPC B64B1/58 (6) · IPC B64C3/00 (6) · IPC B64C3/38 (5) · IPC B64D1/04 (4) · IPC G01P3/36 (3) · IPC F41G3/24 (3) · IPC B64C3/54 (3)
CPCs:
None (125) · CPC B64C17/00 (52) · CPC B64C2700/6295 (31) · CPC B64C13/00 (22) · CPC B64C2700/6218 (16) · CPC B64C39/00 (16) · CPC B64C3/385 (12) · CPC B64B1/00 (11) · CPC B64C35/00 (11) · CPC B64C23/005 (11) · CPC B64C33/02 (10) · CPC B64C3/00 (9) · CPC B64C2700/6214 (9) · CPC B64C2700/6219 (8) · CPC B64B1/58 (7) · CPC B64C1/00 (7) · CPC B64C11/006 (6)
First filing:
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Citations from after 1930:
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