Drilldown: Patents

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Patents > Inventor country: US & First filing : No or Yes & Number of claims: 2-3

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Tech fields:
LTA (82) · None (76) · propeller (64) · frame (63) · stability (61) · propulsion (57) · airplane (55) · navigation (48) · military (35) · rudder (33) · marine (27) · helicopter (25) · safety (24) · projectile (23) · parachute (23) · balloon (21) · hybrid (21) · propellers (21) · airship (20) · flapping (18)
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Supplementary to patent:
None (431) · Patent US-1912-1033662 (2) · Patent US-1914-1115457 (2) · Patent GB-1910-5703 (2) · Patent US-1915-1149680 (2) · Patent US-1911-1003530 (2) · Patent US-1910-1003605 (2) · Patent US-1909-970771 (2)
Related to aircraft:
Patent agent:
None (125) · Munn & Co. (33) · Victor J. Evans (21) · None (15) · Brandon frères (13) · C. A. Snow & Co. (7) · Herbert Haddan & Co. (4) · Watson E. Coleman (4) · R. S. & A. B. Lacey (4) · Wheatley & Mackenzie (3) · Franklin H. Hough (3) · Thomas O. Hill (3) · W. P. Thompson & Co. (3) · W. J. FitzGerald & Co. (3) · Chandler & Chandler (3) · G. Petiau (3)
Assigned to:
None (456)
IPCs:
None (311) · IPC B64B1/00 (19) · IPC B64C39/00 (15) · IPC B64C17/00 (14) · IPC B64C31/06 (13) · IPC B64C31/00 (12) · IPC B64C1/00 (9) · IPC F42B10/00 (8) · IPC B64C13/00 (7) · IPC B64C33/00 (6) · IPC B64C3/00 (6) · IPC B64C27/04 (6) · IPC B64C23/00 (5) · IPC B64C5/04 (4) · IPC B64C27/00 (4) · IPC B64B1/40 (4)
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