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Patents > CPCs : CPC B64C39/00 or None & Number of text pages: 4-50000000

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Inventor country:
US (150) · GB (111) · FR (102) · DE (55) · None (21) · AU (19) · HU (18) · AT (17) · CA (17) · RO (12) · RU (11) · NZ (8) · IT (8) · CH (5) · AH (5) · SE (4) · MC (3) · ES (3) · Prussia (3)
Applicant is inventor:
Tech fields:
airplane (182) · frame (120) · stability (111) · Propulsion (108) · design (101) · LTA (79) · navigation (74) · propellers (69) · wings (63) · propeller (56) · construction (51) · whole (49) · control (45) · None (40) · Aerodynamics (40) · Lift (36) · rudder (36) · Subsystem (34) · automatic stability (32) · balloon (30)
Full specification filed date:
Application number:
None (368) · 25941D (4)
Granted:
Supplementary to patent:
None (326) · Patent GB-1908-4519 (5) · Patent BE-1911-05-15 Georges de Bothezat (4) · Patent GB-1909-26034 (4) · Patent GB-1911-12232 (4) · Patent US-1913-1087946 (3) · Patent US-1909-970771 (3) · Patent US-1908-1072664 (3) · Patent US-1913-04-21 George Raymond Lawrence (3) · Patent US-1910-1011683 (3) · Patent GB-1913-16499 (3) · 1 (3)
Related to aircraft:
Patent agent:
None (235) · Marks & Clerk (13) · None (11) · Haseltine, Lake & Co. (11) · Boult, Wade & Tennant (8) · E. Blum & Co. (7) · Jensen & Son (6) · Henry Hughes (6) · Wheatley & Mackenzie (5) · H. Kirchhofer (5) · 1 (5) · Herbert Haddan & Co. (5) · Brewer & Son (5) · Munn & Co. (4) · Brandon frères (4) · Abel & Imray (4)
National tech categories:
None (220) · HU V/h (70) · FR 6.4 (61) · CH 129b (19) · AU 90.3 (15) · GB 4 propel & steer (12) · AT 77d (11) · CA 244/24 (7) · GB 4 framework (7) · GB 4 without buoyant (7) · AU 90.5 (6) · DK 77 (5) · CH 115 (5) · DE 77 (5) · GB 4 aëroplanes (5) · AU 90.1 (4) · CA 244/35 (4) · CA 341/80 (4)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:

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