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Patents > Inventor country : CH or DE or HU & 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)
Applicant type: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (202) · LTA (190) · design (127) · Frame (119) · propulsion (119) · subsystem (101) · Propellers (100) · stability (98) · Airship (78) · construction (73) · wings (69) · None (67) · balloon (64) · propeller (58) · Navigation (53) · whole (50) · Aerodynamics (49) · gas (41) · control (41) · hybrid (35)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (577) · 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-1910-06-18 Carl Hanschke (4) · Patent DE-1909-220044 (4) · Patent DE-1907-214228 (4)
Related to aircraft:
Patent agent:
None (632) · E. Blum & Co. (13) · Marks & Clerk (7) · W. P. Thompson & Co. (7) · A. Ritter (6) · Ferdinand Klostermann (4) · Boult, Wade & Tennant (4) · H. Kirchhofer (4) · Herbert Haddan & Co. (4) · Haseltine, Lake & Co. (4) · Wilhelm Reinhard (4) · Schwab (4) · Bourry-Séquin (3) · E. Imer-Schneider (3) · Société Louis Gudman et Cie (3) · G. F. Redfern & Co. (3) · Boult, Wade & Kilburn (3) · C. Hanslin & Cie. (3)
National tech categories:
HU V/h (213) · None (173) · AT 77d (78) · DE 77 (48) · DE 77h (31) · FR 6.4 (21) · CH 129b (21) · DK 77 (15) · FR 6.3 (15) · CH 115 (13) · BE K (13) · RU Group V (11) · DE 77h.5 (11) · GB 4 propel & steer (10) · DE 77h.6 (10) · CH 129a (8) · DE 77h.15 (8) · IT 8 (7)
IPCs:
None (733) · IPC B64C23/00 (21) · IPC B64B1/40 (16) · IPC B64C5/04 (5) · IPC B64B1/00 (4) · IPC B64C33/02 (3) · IPC B64C11/16 (3) · IPC B64C23/02 (2) · IPC B64C39/00 (2) · IPC B64C9/00 (2) · IPC B64B1/58 (2) · IPC B64B1/50 (2) · IPC B64C3/38 (2) · IPC F24F7/02 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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