Drilldown: Patents

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Patents > National tech categories : DE 77 or DE 77h.6 or USPC 244/90R

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Office:
Applicant person:
None (91) · Ernst Georg August Baumgarten (5) · Jakob Haw (5) · F. Gaebert (3) · Georg Fischer (3) · Carl Alfred Johansson (3)
Applicant is inventor:
Full specification filed date:
Application number:
None (198)
Granted:
Supplementary to patent:
None (252) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent DE-1917-305040 (2) · Patent FR-1908-405961 (2)
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (168) · IPC B64B1/00 (11) · IPC B64C11/16 (10) · IPC B64C33/02 (9) · IPC B64B1/58 (7) · IPC B64C27/04 (5) · IPC B64C11/00 (5) · IPC B64C11/34 (5) · IPC B64B1/40 (5) · IPC B64C3/00 (4) · IPC B64C11/20 (4) · IPC B64C11/04 (4) · IPC B64C23/00 (3) · IPC B64C13/00 (3) · IPC B64C3/38 (3) · IPC B64C31/06 (3) · IPC B64C11/06 (3) · IPC B64C39/00 (3) · IPC B64C11/36 (3)
CPCs:
None (89) · CPC B64C13/00 (28) · CPC B64B1/00 (19) · CPC B64C33/02 (12) · CPC B64B1/40 (9) · CPC B64C11/04 (8) · CPC B64C2700/6295 (7) · CPC B64C17/00 (6) · CPC B64C11/20 (6) · CPC B64C3/385 (6) · CPC B64B1/58 (5) · CPC B64C11/00 (5) · CPC B64C11/006 (5) · CPC B64C23/005 (4) · CPC B64C13/24 (4) · CPC B64B1/30 (4) · CPC B64C11/36 (4) · CPC B64C33/00 (4) · CPC B64C2700/6281 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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