Drilldown: Patents

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Patents > Office : DE or GR & National tech categories : DE 77 or None

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Office: (Click arrow to add another value)
Applicant person:
None (289) · HELIX PROPELLER GES M (7) · Ernst Georg August Baumgarten (4) · F. Gaebert (4) · Rudolf Wagner (3) · Georg Fischer (3) · Carl Georg Rodeck (3) · August Riedinger (3) · Richard Czygan (3) · KAMERA KINOWERKE DRESDEN VEB (3)
Applicant is inventor:
Tech fields:
None (284) · LTA (103) · propulsion (52) · balloon (39) · navigation (34) · propeller (28) · frame (27) · car (21) · airship (19) · control (18) · airplane (16) · stability (12) · marine (11) · gas (10) · dirigible (10) · kite (10) · flapping (9) · design (9) · captive (9)
Full specification filed date:
Application number:
None (401)
Granted:
Supplementary to patent:
None (465) · Patent DE-1894-79446 (2) · Patent DE-1893-73799 (2)
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (418) · IPC B64C33/02 (16) · IPC B64B1/00 (8) · IPC B64B1/58 (7) · IPC B64C11/00 (5) · IPC B64C39/00 (5) · IPC B64B1/40 (5) · IPC B64C31/06 (5) · IPC B64C23/00 (4) · IPC B64B1/06 (4) · IPC B64C17/00 (3) · IPC B64C1/00 (3) · IPC B64C29/00 (2) · IPC B64B1/62 (2) · IPC B64C3/00 (2) · IPC B64C27/08 (2) · IPC B64C27/04 (2) · IPC B64C3/38 (2) · IPC B64B1/64 (2) · IPC B64B1/30 (2)
CPCs:
None (276) · CPC B64B1/00 (26) · CPC B64C33/02 (20) · CPC B64B1/58 (15) · CPC B64C3/00 (9) · CPC B64B1/40 (9) · CPC B64C27/00 (8) · CPC B64C11/006 (7) · CPC B64C2700/6281 (7) · CPC A63H27/08 (7) · CPC B64C33/00 (7) · CPC B64C23/005 (7) · CPC B64B1/30 (6) · CPC B64C2700/6233 (5) · CPC B64C35/00 (5) · CPC B64C11/00 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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