Drilldown: Patents

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Patents > CPCs: None & Number of text pages: 3-20000000 & Number of claims: 3-4

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Office:
Inventors:
None (7) · Georges de Bothezat (4) · Henry Calder Lobnitz (4) · Jan Jaakson (4) · Philippe Delbert (3) · Paul Frederik Degn (3) · John Washington Wilson (3)
Inventor country:
Applicant person:
None (47) · Jan Jaakson (4) · Henry Calder Lobnitz (4) · Georges de Bothezat (4) · Paul Frederik Degn (3) · John Washington Wilson (3)
Applicant is inventor:
Tech fields:
airplane (62) · design (49) · propulsion (43) · frame (40) · stability (39) · LTA (34) · wings (26) · navigation (22) · control (21) · propellers (21) · whole (20) · construction (20) · propeller (17) · aerodynamics (17) · airship (16) · balloon (13) · rudder (13) · automatic stability (11) · subsystem (11) · equilibrium (10)
Full specification filed date:
Application number:
None (148)
Granted:
Supplementary to patent:
None (109) · Patent BE-1911-05-15 Georges de Bothezat (4) · Patent GB-1911-12232‎‎ (4) · Patent FR-1902-328044 (3) · Patent DE-1907-214228 (3) · Patent GB-1909-2111 (3) · Patent CH-1912-62201 (3) · Patent US-1909-970771 (3) · Patent DE-1894-83896 (2) · Patent GB-1913-16499 (2) · Patent US-1913-1087946 (2)
Related to aircraft:
Patent agent:
None (106) · E. Blum & Co. (6) · Haseltine, Lake & Co. (5) · A. Ritter (4) · W. P. Thompson & Co. (3) · Abel & Imray (3) · Jensen & Son (3)
National tech categories:
None (71) · HU V/h (50) · AT 77d (9) · CH 129b (8) · DK 77 (7) · GB 4 propel & steer (4) · AU 90.3 (4) · CH 129a (4) · CH 115 (4) · DE 77 (3) · CH 12 (2) · DE 77h (2) · GB 4 without buoyant (2) · AU 90.5 (2) · HU VII/a (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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