Drilldown: Patents

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Patents > Office : DK or NZ or US & Applicant is inventor: Yes & Related to aircraft : 0.5 or flapping or Other & Assigned to : Aeroplane Destroyer Company or None & National tech categories : DE 77 or None

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Office: (Click arrow to add another value)
Inventor country:
Applicant is inventor: (Click arrow to add another value)
Tech fields:
None (157) · propeller (62) · Airplane (49) · propulsion (49) · marine (38) · stability (37) · propellers (30) · frame (27) · windmill (26) · LTA (23) · paddle-wheel (20) · construction (19) · rudder (17) · navigation (17) · marine propulsion (17) · helicopter (16) · aerial propeller (16) · design (15) · control (15)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (555) · Patent NO-1915-12-15 Carl Alfred Johansson (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (246) · Munn & Co. (32) · None (16) · Victor J. Evans (10) · Randolph, Jr. (8) · C. A. Snow & Co. (7) · John P. Tarbox (6) · Watson E. Coleman (4) · Henry Hughes (4) · James L. Norris (4) · Joshua R. H. Potts (3) · Joseph F. O'Brien (3) · Chandler & Chandler (3) · Pierre Barnes (3)
Assigned to: (Click arrow to add another value)
National tech categories: (Click arrow to add another value)
IPCs:
None (526) · IPC B64C39/00 (6) · IPC B64C3/00 (6) · IPC B64C17/00 (5) · IPC B64C13/12 (4) · IPC B64C23/00 (3) · IPC B64C11/20 (3) · IPC B64C35/00 (3) · IPC B64C11/04 (3) · IPC B64C27/04 (3) · IPC B64D27/00 (2) · IPC B64C27/10 (2) · IPC B64C11/48 (2) · IPC B64C11/36 (2) · IPC B64C29/00 (2) · IPC B64C33/00 (2) · IPC B64C3/18 (2) · IPC B64C1/06 (2) · IPC B64C3/56 (2) · IPC B64C1/00 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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