Drilldown: Patents

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Patents > Inventor country : CH or DE or HU or NL or None & Applicant type : Hermann Burkardt or INDIV & CPCs : CPC B64B1/40 or CPC B64C23/005 or None

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Inventor country: (Click arrow to add another value)
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Applicant is inventor:
Full specification filed date:
Application number:
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Supplementary to patent:
None (928) · Patent HU-1901-24148 (10) · Patent DE-1895-98580 (8) · Patent CH-1899-18666 (6) · Patent FR-1909-410140 (5) · Patent DE-1908-221549 (4) · Patent DE-1909-232158 (4) · Patent DE-1909-220044 (4) · Patent DE-1907-214228 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1892-73603 (4)
Related to aircraft:
Patent agent:
None (923) · E. Blum & Co. (13) · W. P. Thompson & Co. (8) · A. Ritter (8) · Marks & Clerk (8) · Chassevent (7) · Desnos (7) · Armengaud jeune (6) · Duvinage (5) · Haseltine, Lake & Co. (5) · Société Louis Gudman et Cie (5) · Blétry aîné (5) · Boult, Wade & Tennant (5)
National tech categories:
None (368) · HU V/h (219) · FR 6.3 (105) · AT 77d (86) · DE 77 (51) · DE 77h (33) · BE K (28) · FR 6.4 (23) · GB 4 propel & steer (22) · CH 129b (22) · GB 4 (16) · DK 77 (15) · RU Group V (14) · DE 77h.5 (14) · CH 115 (13) · GB 4 without buoyant (10) · DE 77h.6 (10) · IT 8 (9) · CH 129a (9)
IPCs:
None (1127) · IPC B64C23/00 (25) · IPC B64B1/40 (16) · IPC B64C5/04 (5) · IPC B64B1/00 (4) · IPC B64C33/02 (4) · IPC B64C11/16 (3) · IPC B64C9/00 (3) · IPC B64C23/02 (2) · IPC F24F7/02 (2) · IPC B64C39/00 (2) · IPC B64C3/38 (2) · IPC B64B1/50 (2) · IPC B64B1/58 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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