Drilldown: Patents

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Patents > Office: US & Number of text pages: 2-3 & Number of figures: 5-7

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Office: (Click arrow to add another value)
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Tech fields:
frame (92) · airplane (76) · propeller (74) · None (72) · LTA (72) · propulsion (64) · stability (47) · navigation (44) · rudder (35) · wheels (25) · safety (24) · airfoil (24) · landing (23) · marine (22) · hybrid (21) · construction (21) · flapping (20)
Full specification filed date:
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Patent agent:
None (130) · Munn & Co. (40) · Victor J. Evans (30) · None (14) · C. A. Snow & Co. (7) · W. J. Fitzgerald & Co. (5) · James L. Norris (5) · Herbert H. Thompson (4) · Sigmund Herzog (3) · Randolph, Jr. (3) · John P. Tarbox (3) · H. R. Kerslake (3) · Church & Church (3) · E. G. Siggers (3)
Assigned to:
None (421) · Moteurs Salmson (3) · L W F Engineering Company (2) · Curtiss Aeroplane and Motor Corporation (2) · Sperry Gyroscope Company (2)
IPCs:
None (313) · IPC B64B1/00 (25) · IPC B64C39/00 (14) · IPC B64C3/00 (10) · IPC B64C33/00 (9) · IPC B64C25/00 (8) · IPC B64C31/00 (7) · IPC F42B10/00 (7) · IPC B64C31/06 (6) · IPC B64C27/00 (5) · IPC B64C1/00 (5) · IPC B64C3/18 (4) · IPC B64C17/00 (4) · IPC B64C11/20 (4) · IPC B64C35/00 (3) · IPC B64C29/00 (3) · IPC B64C23/00 (3) · IPC B64B1/62 (3) · IPC B64C27/04 (3)
First filing:
Citations from after 1930:
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