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Patents > CPCs : CPC F41A3/38 or None & Number of figures: 8-50000000

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Applicant is inventor:
Tech fields:
airplane (128) · Frame (98) · design (89) · LTA (80) · Propulsion (79) · stability (75) · navigation (59) · Wings (56) · propeller (49) · whole (47) · propellers (43) · construction (41) · car (28) · subsystem (28) · Flapping (28) · control (26) · marine (26) · aerodynamics (26) · balloon (25)
Full specification filed date:
Application number:
None (306) · propulsion (4) · 25941D (4) · rudder (4) · stability (3) · navigation (3) · frame (2) · propeller (2)
Granted:
Supplementary to patent:
None (219) · Patent GB-1908-4519 (6) · Patent GB-1911-12232‎‎ (5) · Patent HU-1901-24148 (5) · Patent FR-1902-328044 (4) · Patent US-1913-04-21 George Raymond Lawrence (4) · Patent DE-1895-98580 (4) · Patent US-1910-1011683 (3) · Patent GB-1909-12556 (3) · Patent HU-1901-22471 (3) · Patent CH-1899-18666 (3) · Patent CH-1912-62201 (3) · Patent GB-1913-16499 (3) · Patent US-1906-850616 (3) · Patent US-1908-1072664 (3) · Patent GB-1909-26034 (3) · Patent US-1909-970771 (3) · Patent FR-1909-403985 (3) · Patent US-1913-1087946 (3) · Patent DE-1913-287314 (3)
Patent agent:
None (267) · Haseltine, Lake & Co. (7) · None (5) · H. Kirchhofer (5) · E. Blum & Co. (5) · Wheatley & Mackenzie (4) · Munn & Co. (4) · Herbert Haddan & Co. (4) · Boult, Wade & Tennant (3) · E. Imer-Schneider (3) · Marks & Clerk (3) · Arthur Otto Sachse (3) · Henry Hughes (3) · W. P. Thompson & Co. (3)
National tech categories:
None (115) · HU V/h (77) · AT 77d (27) · RU Group V (16) · DE 77 (16) · CH 129b (15) · AU 90.3 (15) · DK 77 (14) · GB 4 propel & steer (9) · DE 77h (8) · AU 90.5 (8) · CH 115 (8) · GB 4 without buoyant (6) · FR 6.4 (5) · GB 4 framework (5) · GB 4 aëroplanes (4) · BE K (4) · CA 341/80 (4) · CA 244/35 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:

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