Drilldown: Patents

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Patents > Grant date: 1915 & First filing: Yes

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Tech fields:
None (119) · airplane (78) · Stability (33) · frame (32) · Construction (27) · wings (25) · LTA (24) · Propulsion (17) · design (17) · Control (17) · automatic stability (12) · propeller (11) · propellers (10) · compartments (9) · hybrid (9) · helicopter (8) · structure (8) · fuselage (8)
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Related to aircraft:
Patent agent:
None (170) · Dupont et Elluin (7) · J. Bonnet-Thirion et Breton (6) · Marks & Clerk (5) · None (5) · Boult, Wade & Tennant (5) · Coquillat (4) · Munn & Co. (4) · Haseltine, Lake & Co. (4) · J. Warner Beckstrom (3) · William L. Hall (3) · Victor J. Evans (3) · Charles Dony (3) · E. W. Marshall (3) · Brewer & Son (3) · Armengaud jeune (3) · Hippolyte Josse (3)
National tech categories:
None (74) · FR 6.4 (50) · IT 8 (15) · USPC 244/90R (12) · USPC 244/233 (10) · USPC 244/91 (7) · USPC 244/13 (7) · USPC 244/113 (6) · USPC 244/100R (5) · USPC 244/87 (5) · USPC 244/80 (5) · USPC 244/65 (5) · USPC 244/48 (5)
IPCs:
None (184) · IPC B64C39/00 (14) · IPC B64C17/00 (13) · IPC B64C3/00 (11) · IPC B64C35/00 (10) · IPC B64C1/00 (10) · IPC B64B1/00 (7) · IPC B64C27/04 (7) · IPC B64C23/00 (6) · IPC B64C13/00 (6) · IPC B64C3/54 (5) · IPC B64C25/00 (4) · IPC B64D27/00 (4)
CPCs:
None (29) · CPC B64C2700/6295 (24) · CPC B64C13/00 (22) · CPC B64C17/00 (22) · CPC B64B1/00 (18) · CPC B64C35/00 (14) · CPC B64C23/005 (12) · CPC B62C5/04 (11) · CPC B64C3/00 (11) · CPC B64C3/385 (10) · CPC B64C39/00 (9) · CPC B64C2700/6281 (8) · CPC B64C2700/6256 (7) · CPC B64C2700/6246 (6) · CPC B64C2700/6218 (6)
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Citations from after 1930:
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