Drilldown: Patents

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Patents > Office : AU or HU or SU or Other & Granted : No or Yes & Related to aircraft: 1 & National tech categories: FR 6.4 & IPCs : IPC B64B1/40 or IPC B64C23/00 or IPC B64C3/54 & First filing: No

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Airplane (14) · design (7) · None (6) · propulsion (5) · Lift (5) · Hybrid (5) · ascension (4) · Construction (4) · Aerodynamics (4) · Navigation (3) · Helicopter (3) · frame (2) · heavier-than-air (2) · Wings (2) · chassis (2) · propellers (2) · sustentation (2) · gas (2) · Stability (2)
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Showing below up to 27 results in range #1 to #27.

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