Drilldown: Patents

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Patents > Inventor country: US & Number of figures: 5-6

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Tech fields:
None (81) · frame (81) · propulsion (71) · airplane (71) · LTA (70) · propeller (65) · stability (59) · navigation (50) · rudder (31) · hybrid (28) · landing (25) · airfoil (24) · helicopter (23) · marine (23) · wheels (22) · propellers (22) · safety (21) · construction (18) · design (17) · military (17)
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Supplementary to patent:
None (451) · Patent US-1913-1094989 (3) · Patent US-1912-1062545 (3) · Patent US-1911-1011761 (2) · Patent US-1908-922952 (2) · Patent US-1908-12-14-Lee (2) · Patent US-1908-12-14 (2) · Patent US-1912-1033662 (2) · Patent US-1910-999125 (2) · Patent US-1913-1082688 (2) · Patent US-1914-1115291 (2) · Patent US-1917-1288867 (2) · Patent US-1917-1257212 (2) · Patent US-1916-1179978 (2)
Related to aircraft:
Assigned to:
None (466) · Sperry Gyroscope Company (2) · L W F Engineering Company (2)
IPCs:
None (296) · IPC B64C39/00 (23) · IPC B64B1/00 (21) · IPC B64C17/00 (18) · IPC B64C1/00 (15) · IPC B64C3/00 (10) · IPC B64C25/00 (8) · IPC B64C13/00 (8) · IPC B64C33/00 (8) · IPC B64C27/04 (8) · IPC B64C23/00 (8) · IPC B64C31/00 (6) · IPC B64C5/04 (6) · IPC B64C31/06 (5) · IPC B64C27/00 (5) · IPC B64C35/00 (4) · IPC F42B10/00 (4) · IPC B62C5/04 (4) · IPC B64C29/00 (4) · IPC B64C3/38 (4)
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