Drilldown: Patents

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Patents > Inventor country : CS or None & National tech categories: None

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Inventor country: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (2047) · LTA (83) · balloon (68) · propulsion (61) · navigation (48) · Airplane (36) · balloons (19) · propeller (17) · frame (16) · instrument (13) · stability (13) · Design (12) · propellers (12) · control (10) · dirigible (10) · marine (10) · aerodynamics (9) · wings (9) · construction (8) · safety (8)
Application number:
Granted:
Supplementary to patent:
None (2383) ·   (7) · Patent BE-1913-253298 (2) · Patent FR-1880-139386 (2)
Related to aircraft:
Patent agent:
None (2365) · Marks & Clerk (4) · None (4) · Boult, Wade & Tennant (3) · Haseltine, Lake & Co. (2) · Brewer & Son (2) · Casalonga (2) · Alfred Julius Boult (2) · J.H. Johnson (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (2370) · IPC B64C39/00 (9) · IPC B64C17/00 (4) · IPC B64C23/00 (3) · IPC B64C11/00 (3) · IPC B64C13/00 (3) · IPC B64C5/04 (2) · IPC B64C1/00 (2) · IPC B64C33/02 (2) · IPC B64C31/06 (2) · IPC B64C27/04 (2) · IPC B64D27/00 (2) · IPC B64C27/08 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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