Drilldown: Patents

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Patents > Office : AR or US & Number of figures: 6-7

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Tech fields:
None (102) · airplane (91) · frame (78) · LTA (54) · propulsion (51) · propeller (50) · stability (40) · navigation (36) · rudder (30) · flapping (25) · control (25) · hybrid (24) · marine (21) · landing (20) · wheels (20) · construction (18) · propellers (17) · parachute (17) · helicopter (17)
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Patent agent:
None (110) · Munn & Co. (40) · Victor J. Evans (25) · None (12) · John P. Tarbox (8) · Randolph, Jr. (4) · James L. Norris (4) · C. A. Snow & Co. (4) · Herbert H. Thompson (3) · Briesen & Knauth (3) · H. S. Hill (3) · A. M. Wilson (3) · H. R. Kerslake (3) · William Wallace White (3) · E. G. Siggers (3) · E. E. Vrooman (3) · Wiedersheim & Fairbanks (3)
Assigned to:
None (392) · Sperry Gyroscope Company (4) · Moteurs Salmson (2) · Curtiss Aeroplane and Motor Corporation (2) · Grand Rapids Trust Company (2)
IPCs:
None (321) · IPC B64B1/00 (15) · IPC B64C25/00 (9) · IPC B64C33/00 (9) · IPC B64C39/00 (9) · IPC B64C3/00 (8) · IPC B64C13/00 (6) · IPC B64C1/00 (5) · IPC F42B10/00 (4) · IPC B64C17/00 (4) · IPC B64C3/38 (4) · IPC B64C31/00 (4) · IPC B64C3/18 (3) · IPC B64C31/06 (3) · IPC B64D17/00 (3) · IPC B64C29/00 (3)
First filing:
Citations from after 1930:
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