Drilldown: Patents

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Patents > Year filed: 1909 & Family year: 1900 - 1999 & Number of text pages: 2-3

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Tech fields:
None (206) · airplane (140) · Frame (103) · propulsion (95) · LTA (94) · design (73) · Stability (72) · navigation (56) · propeller (55) · Propellers (53) · subsystem (45) · rudder (44) · Wings (42) · construction (39) · Control (39) · airship (35) · whole (31) · Lift (30) · hybrid (27)
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Supplementary to patent:
None (460) · Patent FR-1908-392672 (7) · Patent DE-1908-221549 (4) · Patent FR-1908-407090 (4) · Patent GB-1908-4519 (4) · Patent DE-1908-227979 (3) · Patent FR-1909-403985 (3) · Patent DE-1907-217533 (3) · Patent DE-1907-214855 (3) · Patent GB-1909-2111 (3) · Patent FR-1909-401348 (3) · Patent US-1908-1077750 (3) · Patent US-1908-1081147 (3) · Patent AT-1909-49294 (3) · Patent AT-1908-41559 (3)
Related to aircraft:
Patent agent:
None (152) · Armengaud jeune (46) · None (23) · J. Bonnet-Thirion (17) · Marks & Clerk (15) · Boult, Wade & Tennant (11) · E. Blétry (10) · Herbert Haddan & Co. (10) · Weismann et Marx (10) · Lavoix et Mosès (9) · G. de Mestral et F. Harlé (9) · Munn & Co. (8) · Haseltine, Lake & Co. (8) · L. Chassevent (7)
National tech categories:
FR 6.4 (246) · None (175) · HU V/h (35) · DE 77h.5 (14) · AT 77d (11) · RU Group V (8) · FR 6.2 (6) · USPC 244/45R (6) · CH 129a (6) · FR 5.3 (5) · DK 77 (4) · USPC 244/72 (4) · DE 77h.10 (4) · DE 77h.11 (4) · USPC 244/48 (4) · USPC 244/65 (4) · USPC 244/13 (4) · USPC 244/70 (4) · USPC 244/87 (4)
IPCs:
None (202) · IPC B64C39/00 (63) · IPC B64B1/00 (34) · IPC B64C17/00 (33) · IPC B64C1/00 (29) · IPC B64C3/38 (25) · IPC B64C11/00 (20) · IPC B64C23/00 (19) · IPC B64C13/00 (16) · IPC B64C33/02 (16) · IPC B64B1/58 (14) · IPC B64C33/00 (14) · IPC B64C3/00 (13) · IPC B64C27/04 (12) · IPC B64C35/00 (11) · IPC B64C3/54 (10) · IPC B64C25/00 (10) · IPC B64C3/52 (8) · IPC B63H1/12 (8)
CPCs:
None (87) · CPC B64C39/00 (48) · CPC B64C2700/6295 (46) · CPC B64C17/00 (41) · CPC B64B1/00 (39) · CPC B64C3/385 (28) · CPC B64C23/005 (27) · CPC B64C33/02 (23) · CPC B64C13/00 (22) · CPC B64C11/006 (16) · CPC B64B1/58 (16) · CPC B64C33/00 (15) · CPC B64C2700/6218 (13) · CPC B64C3/00 (12) · CPC B64C2700/6274 (11) · CPC B64C2700/6256 (11) · CPC B64C35/00 (10) · CPC B64C1/00 (10) · CPC B64B1/40 (10)
First filing:
Citations from after 1930:
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