Drilldown: Patents

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

Use the filters below to narrow your results.

Inventor country: (Click arrow to add another value)
Applicant type: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (169) · LTA (142) · design (99) · Frame (93) · subsystem (82) · propulsion (79) · Propellers (77) · stability (69) · Airship (68) · construction (63) · wings (61) · None (57) · balloon (45) · aerodynamics (40) · propeller (38) · whole (37) · navigation (36) · control (33) · gas (31) · automatic stability (30)
Full specification filed date:
Application number:
None (419) · 55432 (2)
Granted:
Supplementary to patent:
None (469) · Patent HU-1901-24148 (8) · Patent DE-1895-98580 (5) · Patent CH-1899-18666 (5) · Patent DE-1908-221549 (3) · Patent DE-1909-Wilcke-Graff (3) · Patent DE-1908-227242 (3) · Patent DE-1909-232158 (3)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
HU V/h (213) · None (114) · AT 77d (82) · DE 77 (48) · DE 77h (29) · DK 77 (14) · DE 77h.5 (12) · RU Group V (10) · DE 77h.6 (9) · IT 8 (8) · DE 77h.15 (8) · DE 77h.4 (6) · AT 37a (4) · DE 77h.3 (4) · FR 6.4 (4) · DE 77h.9 (4) · AT 46b (3) · NL 62 (3)
IPCs:
None (593) · IPC B64B1/40 (10) · IPC B64C23/00 (7) · IPC B64C33/02 (3) · IPC B64B1/00 (3) · IPC B64C23/02 (2) · IPC B64C39/00 (2) · IPC B64B1/50 (2) · IPC B64B1/58 (2) · IPC B64C3/38 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 250 results in range #1 to #250.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)