Drilldown: Patents

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Patents > Filing date: 1913 & Number of claims: 2-8

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Tech fields:
Airplane (127) · stability (67) · frame (59) · design (51) · None (46) · construction (42) · LTA (41) · propulsion (35) · propellers (34) · wings (31) · safety (29) · military (26) · aerodynamics (26) · control (24) · landing (23) · automatic stability (21) · hybrid (19) · hydroaeroplane (18) · Lift (17)
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None (213) · Patent AT-1912-75092 (5) · Patent DE-1913-301564 (5) · Patent FR-1912-447782 (4) · Patent DE-1912-279343 (4) · Patent DE-1912-266327 (4) · Patent DE-1912-308357 (3) · Patent FR-1912-449167 (3) · Patent FR-1912-455471 (3) · Patent BE-1912-08-13-Panian (3) · Patent DE-1912-03-18 Allgemeine Elektricitäts-Gesellschaft‎‎ (3) · Patent FR-1912-458772 (3) · Patent DE-1913-290120 (3) · Patent AT-1912-64392 (3) · Patent AT-1913-66955 (3) · Patent FR-1912-442419 (3) · Patent FR-1912-450422 (3)
Related to aircraft:
Patent agent:
None (109) · Armengaud jeune (18) · None (12) · Marks & Clerk (10) · Boult, Wade & Tennant (9) · L. Chassevent (9) · W. P. Thompson & Co. (7) · Dupont et Elluin (6) · J. S. Withers & Spooner (6) · Brandon frères (6) · J. Bonnet-Thirion (5) · Wheatley & Mackenzie (5) · J. Bonnet-Thirion et Breton (5) · Herbert Haddan & Co. (5)
National tech categories:
None (132) · FR 6.4 (117) · HU V/h (24) · AT 77d (19) · DE 77h.5 (6) · DE 77h.9 (5) · USPC 244/45R (5) · AT 37a (3)
IPCs:
None (132) · IPC B64C17/00 (32) · IPC B64C35/00 (29) · IPC B64C1/00 (26) · IPC B64C39/00 (17) · IPC B64C3/00 (16) · IPC B64B1/00 (15) · IPC B64C3/38 (9) · IPC B64C11/00 (8) · IPC B64D1/04 (7) · IPC B64B1/58 (6) · IPC E04B1/346 (5) · IPC B64C33/00 (4) · IPC B64C33/02 (4) · IPC B64C3/18 (4) · IPC B64C13/00 (4) · IPC B64C25/00 (4) · IPC B64C23/00 (4) · IPC B64C3/56 (4)
CPCs:
None (69) · CPC B64C17/00 (40) · CPC B64C35/00 (28) · CPC B64C2700/6295 (21) · CPC B64B1/00 (19) · CPC B64C2700/6218 (19) · CPC B64C3/385 (15) · CPC B64C3/00 (15) · CPC B64C39/00 (12) · CPC B64C11/006 (10) · CPC B64C2700/6233 (9) · CPC B64C13/00 (8) · CPC B64C23/005 (7) · CPC E04B1/346 (7) · CPC B64D1/04 (7) · CPC B64B1/58 (7)
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Citations from after 1930:
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