Drilldown: Patents

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Patents > Applicant firm: None & Applicant is inventor: No & Number of claims: None

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Tech fields:
None (724) · LTA (47) · propulsion (30) · navigation (22) · propeller (18) · Balloon (18) · Airplane (17) · Frame (11) · stability (10) · marine (9) · hybrid (6) · Lift (6) · military (6) · rudder (6) · safety (6) · Propellers (5) · gas (5) · construction (5) · wings (5)
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Related to aircraft:
National tech categories:
None (703) · FR 6.4 (33) · FR 5 (11) · FR 6.3 (9) · USPC 244/100R (6) · USPC 244/233 (5) · USPC 244/80 (4) · FR 6 (4) · GB 4 (4) · USPC 244/119 (4) · GB aërial machines with aërostats or buoyant bodies (3) · USPC 244/93 (3) · USPC 244/87 (3) · USPC 244/48 (3) · GB 4 propel & steer (3)
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