Drilldown: Patents

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Patents > Office : DE or RU or Other & Applicant type : Hermann Burkardt or INDIV & National tech categories : DE 77h.5 or FR 6.3 or None & CPCs : CPC B64B1/58 or CPC B64C2700/6295 or CPC B64C3/00 or CPC B64C35/00

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None (363) · airplane (54) · Construction (44) · frame (36) · wings (34) · design (32) · LTA (32) · stability (19) · hydroaeroplane (15) · propulsion (12) · whole (12) · fuselage (12) · hydroplane (11) · marine (11) · navigation (11) · biplane (10) · aerodynamics (10) · control (9)
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None (485) · Patent FR-1916-502839 (2) · Patent US-1913-1094989 (2)
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None (346) · Marks & Clerk (27) · Boult, Wade & Tennant (17) · Haseltine, Lake & Co. (10) · Brewer & Son (8) · None (8) · Hyde & Heide (7) · Herbert Haddan & Co. (6) · Abel & Imray (6) · J. S. Withers & Spooner (6) · Boult, Wade, and Tennant (4) · W. P. Thompson & Co. (4) · Mewburn, Ellis & Pryor (3) · A. M. & Wm. Clark (3) · George Barker & Brettell (3) · Edward Evans & Co. (3)
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