Drilldown: Patents

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Patents > Office : BE or CA or US & Number of claims: 4-5

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Office: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (87) · frame (82) · LTA (73) · stability (69) · propulsion (68) · propeller (66) · None (66) · navigation (51) · rudder (34) · balloon (28) · hybrid (25) · wheels (22) · safety (21) · helicopter (21) · flapping (21) · construction (20) · control (19) · car (19)
Full specification filed date:
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Granted:
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Supplementary to patent:
None (421) · Patent FR-1909-406375 (2) · 1 (2)
Related to aircraft:
Patent agent:
None (149) · Munn & Co. (37) · Victor J. Evans (16) · None (13) · C. A. Snow & Co. (9) · James L. Norris (5) · Joshua R. H. Potts (4) · Watson E. Coleman (4) · H. & A. M. Macey (3) · John P. Tarbox (3) · 1 (3)
Assigned to:
None (420) · Albert L. Watters (2) · Sperry Gyroscope Company (2) · Curtiss Aeroplane (2) · International Aeronautical Construction Company (2)
IPCs:
None (322) · IPC B64B1/00 (23) · IPC B64C39/00 (16) · IPC B64C25/00 (9) · IPC B64C3/00 (9) · IPC B64C17/00 (6) · IPC B64C1/00 (6) · IPC B64C31/06 (6) · IPC B64C33/00 (5) · IPC B64C13/00 (5) · IPC B64C31/00 (5) · IPC B64C13/12 (4) · IPC B64C23/00 (4) · IPC B64C27/00 (3) · IPC B64C11/00 (3)
First filing:
Citations from after 1930:
Number of claims:

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