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Patents > National tech categories : GB 4 propel & steer or None & CPCs : CPC B64B1/00 or CPC B64C17/00 & Number of figures: 2-4

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Office:
Inventors:
None (3) · James Means (3) · Charles Arthur Beauchamp Pickard Hawkins (2) · Johann Schütte (2) · Hugh Oswald Short (2) · Sam Leonard Walkden (2) · Robert Esnault-Pelterie (2) · Bertram Ogilvie (2) · Adolphe-François-Joseph Doutre (2)
Inventor country:
Applicant person:
None (3) · Charles Arthur Beauchamp Pickard Hawkins (2) · James Means (2) · Johann Schütte (2) · Hugh Oswald Short (2) · Sam Leonard Walkden (2) · Robert Esnault-Pelterie (2) · Bertram Ogilvie (2) · Adolphe-François-Joseph Doutre (2)
Applicant type:
Applicant is inventor:
Tech fields:
stability (39) · airplane (23) · automatic stability (18) · LTA (17) · None (8) · equilibrium (8) · Design (8) · frame (8) · airship (8) · balloon (7) · Subsystem (6) · aerodynamics (5) · navigation (4) · dirigible (4) · fabric (4) · Control (4) · Balloons (4) · hybrid (4) · rudder (4) · lift (4)
Full specification filed date:
Application number:
None (2)
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Publication date:
Supplementary to patent:
None (39) · Patent FR-1911-446282 (2) · Patent NZ-1909-25865 (2)
Related to aircraft:
Patent agent:
None (7) · Abel & Imray (6) · Marks & Clerk (6) · Herbert Haddan & Co. (6) · Haseltine, Lake & Co. (5) · Boult, Wade & Tennant (3) · Edward Evans & Co. (3) · Philip Middleton Justice (2) · Wheatley & Mackenzie (2) · A. A. Thornton (2) · Francis Heron Rogers (2)
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CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
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