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Patents > Inventor country : CH or DE or HU or NL & Applicant type : Hermann Burkardt or INDIV & CPCs : CPC B64B1/40 or CPC B64C23/005 or None & Number of diagram pages: 1

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Office:
Inventor country: (Click arrow to add another value)
Applicant type: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (145) · LTA (99) · design (93) · frame (82) · propellers (77) · propulsion (75) · subsystem (72) · stability (62) · construction (58) · wings (50) · Airship (46) · propeller (41) · aerodynamics (40) · Whole (35) · balloon (31) · control (27) · Hybrid (25) · Lift (24) · gas (24)
Full specification filed date:
Application number:
None (322)
Granted:
Supplementary to patent:
None (329) · Patent FR-1909-410140 (5) · Patent HU-1901-24148 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1909-220044 (4) · Patent DE-1913-287314 (3) · Patent DE-1908-227242 (3) · Patent DE-1907-214228 (3) · Patent DE-1903-160742 (3) · Patent DE-1898-126955 (3) · Patent DE-1895-98580 (3) · Patent CH-1910-52044 (3) · Patent DE-1913-301564 (3)
Related to aircraft:
Patent agent:
None (380) · E. Blum & Co. (12) · A. Ritter (6) · Marks & Clerk (5) · Boult, Wade & Tennant (4) · Schwab (4) · Ferdinand Klostermann (4) · Boult, Wade & Kilburn (3) · Haseltine, Lake & Co. (3) · Herbert Haddan & Co. (3) · G. F. Redfern & Co. (3) · W. P. Thompson & Co. (3) · H. Kirchhofer (3)
Assigned to:
National tech categories:
HU V/h (162) · AT 77d (71) · None (48) · DE 77 (36) · CH 129b (18) · FR 6.4 (17) · DE 77h (17) · DK 77 (15) · RU Group V (10) · DE 77h.6 (8) · CH 115 (7) · DE 77h.5 (6) · CH 129a (6) · CH 129c (5) · DE 77h.15 (5) · FR 10.1 (4) · AT 37a (4) · DE 77h.4 (3) · AT 46b (3)
IPCs:
None (423) · IPC B64C23/00 (19) · IPC B64B1/40 (9) · IPC B64C5/04 (4) · IPC B64C33/02 (3) · IPC B64C9/00 (3) · IPC F24F7/02 (2) · IPC B64B1/00 (2) · IPC B64C39/00 (2) · IPC B64C11/16 (2) · IPC B64B1/50 (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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