Drilldown: Patents

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Patents > Applicant firm : DE or None & Tech fields : Airship or Hybrid & Patent agent: None

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None (175)
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Supplementary to patent:
None (244) · Patent BE-1912-250417 (2) · Patent FR-1908-401308 (2) · Patent DE-1913-301564 (2) · Patent DE-1912.12.20 Joachim Heinrich Kronstein (2) · Patent DE-1912-279343 (2) · Patent DE-1911-258741 (2) · Patent DE-1909-02-25 Hugo Erdmann (2) · Patent GB-1901-1899 (2) · Patent FR-1913-438580.17636 (2) · Patent US-1913-1087946 (2)
Related to aircraft:
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National tech categories:
HU V/h (65) · None (60) · FR 6.4 (33) · AT 77d (17) · DE 77 (17) · FR 6.3 (15) · DE 77h (8) · BE K (7) · RU Group V (5) · MX F. III (4) · FR 5 (4) · USPC 244/11 (4) · DE 77h.2 (3) · DE 77h.5 (3) · USPC 244/25 (3) · GB 4 (3) · GB aërial machines with aërostats or buoyant bodies (3) · USPC 244/50 (3) · GB 4 parachutes (3)
IPCs:
None (238) · IPC B64B1/00 (21) · IPC B64C39/00 (10) · IPC B64B1/58 (8) · IPC B64B1/40 (5) · IPC B64C33/00 (5) · IPC B64C11/00 (4) · IPC B64C33/02 (4) · IPC B64C27/04 (3) · IPC B64C23/00 (3) · IPC B64C3/56 (3) · IPC B64C1/00 (3) · IPC B64C35/00 (3) · IPC B64C3/00 (2) · IPC B64C31/06 (2) · IPC B64C17/00 (2)
CPCs:
None (191) · CPC B64B1/00 (29) · CPC B64B1/58 (11) · CPC B64C23/005 (8) · CPC B64C33/02 (7) · CPC B64C39/005 (7) · CPC B64C33/00 (6) · CPC B64B1/40 (6) · CPC B64C3/56 (4) · CPC B64C39/00 (4) · CPC B64B1/62 (4) · CPC B64C35/00 (4) · CPC B64C11/00 (3) · CPC B64C11/001 (3) · CPC B64C17/00 (3) · CPC B64C27/04 (3)
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