Drilldown: Patents

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Patents > Office : DE or RU or SE & Tech fields : propulsion or None

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Office: (Click arrow to add another value)
Applicant person:
None (271) · HELIX PROPELLER GES M (7) · Otto Lilienthal (4) · Claudius Dornier (4) · F. Gaebert (4) · KAMERA KINOWERKE DRESDEN VEB (3) · Richard Czygan (3) · Rudolf Wagner (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (360)
Granted:
Supplementary to patent:
None (426) · Patent DE-1893-73799 (2) · Patent GB-1901-21099 (2) · Patent DE-1894-79446 (2) · Patent FR-1898-278192 (2)
Related to aircraft:
Assigned to:
National tech categories:
None (284) · DE 77 (50) · DE 77h.5 (29) · DE 77h (19) · DE 77h.6 (18) · DE 77h.10 (10) · RU Group V (9) · DE 77h.11 (6) · DE 77h.9 (6) · DE 77h.2 (4) · DE 77h.12 (3) · DE 77f.23 (3) · DE 77h.7 (3) · DE 80 (2) · DE 77h.3 (2) · DE 77h.15 (2) · DE 13 (2)
IPCs:
None (374) · IPC B64C33/02 (11) · IPC B64C39/00 (7) · IPC B64C11/00 (7) · IPC B64B1/00 (6) · IPC B64C17/00 (5) · IPC B64C35/00 (4) · IPC B64C1/00 (4) · IPC B64B1/58 (3) · IPC B64C3/00 (3) · IPC B64C11/16 (2) · IPC B64C23/02 (2) · IPC F01L1/42 (2) · IPC B64C27/04 (2) · IPC B64B1/06 (2) · IPC B64B1/40 (2) · IPC B64C25/00 (2)
CPCs:
None (245) · CPC B64C33/02 (17) · CPC B64B1/00 (12) · CPC B64C3/00 (11) · CPC B64C11/006 (10) · CPC B64C2700/6281 (9) · CPC B64C35/00 (8) · CPC B64C9/00 (7) · CPC B64B1/58 (7) · CPC B64C27/00 (7) · CPC B64C11/00 (6) · CPC B64C2700/6235 (6) · CPC B64C2700/6233 (5) · CPC B64C23/005 (5) · CPC B64C17/00 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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