Drilldown: Patents

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Patents > Inventor location: None & Number of text pages: 3 & Number of figures: 3

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Tech fields:
airplane (91) · stability (50) · Design (34) · frame (33) · None (30) · propulsion (29) · Control (22) · navigation (21) · propellers (20) · automatic stability (18) · LTA (18) · Construction (17) · Rudder (17) · Wings (17) · aerodynamics (15) · hybrid (14) · balloon (12) · propeller (12) · subsystem (12)
Full specification filed date:
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None (80)
Granted:
Supplementary to patent:
None (179) · Patent BE-1912-02-07-Gramaticesco (3) · Patent AT-1913-59404 (3) · Patent DE-1911-258741 (3) · Patent US-1911-994106 (2) · Patent US-1908-1081147 (2) · Patent US-1908-1077750 (2) · Patent US-1903-821393 (2) · Patent FR-1916-502839 (2) · Patent FR-1912-447782 (2) · Patent FR-1911-436905 (2) · Patent DE-1911-11-16 Otto Albin Budig (2) · Patent DE-1903-160742 (2) · Patent CA-1918-196108 (2) · Patent US-1912-1080531 (2)
Related to aircraft:
Patent agent:
None (62) · Weismann et Marx (8) · None (8) · Marks & Clerk (6) · Boult, Wade & Tennant (6) · Wheatley & Mackenzie (5) · Émile Bert (5) · Herbert Haddan & Co. (5) · C. A. Snow & Co. (4) · G. de Mestral et F. Harlé (4) · G. F. Redfern & Co. (4) · Lavoix et Mosès (4) · John P. Tarbox (4) · Brewer & Son (4)
National tech categories:
None (101) · FR 6.4 (83) · HU V/h (17) · USPC 244/80 (5) · CH 129b (5) · USPC 244/90R (4) · USPC 244/93 (3) · USPC 244/45R (3) · FR 6.3 (2) · USPC 244/233 (2) · AT 77d (2) · USPC 244/201 (2) · RU Group V (2) · GB 4 propel & steer (2) · USPC 244/22 (2) · DE 77h.5 (2) · FR 5.8 (2) · AU 90.5 (2) · FR 20.1 (2)
IPCs:
None (99) · IPC B64C39/00 (20) · IPC B64C17/00 (19) · IPC B64C1/00 (18) · IPC B64C13/00 (14) · IPC B64B1/00 (10) · IPC B64C3/38 (7) · IPC B64C23/00 (7) · IPC B64C11/00 (5) · IPC B64C33/00 (5) · IPC B64C27/04 (4) · IPC B64C35/00 (4) · IPC B64C3/54 (3) · IPC B64C25/00 (3) · IPC B64C9/00 (3) · IPC B64C31/06 (3) · IPC B64C33/02 (3)
CPCs:
None (49) · CPC B64C17/00 (23) · CPC B64C2700/6295 (20) · CPC B64C13/00 (20) · CPC B64B1/00 (14) · CPC B64C39/00 (14) · CPC B64C2700/6256 (12) · CPC B64C23/005 (11) · CPC B64C3/385 (8) · CPC B64C2700/6218 (7) · CPC B64C2700/6274 (6) · CPC B64C11/006 (6) · CPC B64C33/00 (5) · CPC B64C2700/6281 (5) · CPC B64C33/02 (5) · CPC B64C39/08 (5)
First filing:
Citations from after 1930:
Number of text pages:
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