Drilldown: Patents

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Patents > Granted: Yes & IPCs : IPC B64C27/04 or None

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US (2778) · None (2266) · FR (1385) · DE (947) · GB (659) · AT (202) · BE (170) · IT (157) · HU (155) · CH (91) · CA (89) · RU (64) · AU (55) · SE (33) · AH (29) · NO (26) · MX (24) · ES (22) · NL (22) · NZ (21)
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Tech fields:
None (9170) · airplane (9) · LTA (8) · frame (4) · propulsion (4) · monoplane (3) · stability (3) · navigation (3) · Takeoff (2) · propellers (2) · propeller (2) · parachute (2) · wings (2)
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Cites these patents:
None (9120) · 0 (5) · 1 (4) · Patent AT-1909-47911 (3) · Patent US-1903-821393 (2) · Patent GB-1914-23502 (2) · Patent FR-1910-424987 (2) · Patent GB-1901-346 (2)
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