Drilldown: Patents

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Patents > Applicant type : FIRM or Hermann Burkardt or INDIV or UNIV-PRO-GOV & Related to aircraft : No or None & IPCs: None

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Tech fields:
None (949) · airplane (36) · propulsion (26) · frame (22) · stability (15) · propeller (14) · navigation (14) · LTA (13) · propellers (12) · marine (10) · safety (8) · Control (8) · wings (8) · aerodynamics (8) · kite (7) · construction (6) · rudder (6) · Design (6) · centrifuge (6) · balloons (6)
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Supplementary to patent:
None (1075) · 1 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (1049) · Munn & Co. (4) · 1 (3) · Boult, Wade & Tennant (3) · John P. O'Donnell (2) · 1911-05-30 (2) · 1911-02-28 (2)
National tech categories:
None (1014) · FR 6.3 (9) · USPC 244/153R (6) · FR 6.4 (5) · USPC 244/6 (3) · HU V/h (3) · FR 2 (3) · USPC 244/80 (3) · USPC 244/123.1 (2) · USPC 244/35R (2) · FR 5 (2) · FR 20 (2) · AT 77d (2) · FR 15 (2) · USPC 244/78.1 (2) · USPC 244/73R (2) · USPC 416/113 (2) · USPC 244/52 (2) · FR 6.2 (2)
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