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Patents > Office : DE or NO & National tech categories : USPC 244/3.23 or USPC 244/30 or None

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Office: (Click arrow to add another value)
Inventor country:
Applicant person:
None (264) · HELIX PROPELLER GES M (7) · MERCUR FLUGZEUGBAU (5) · Siemens-Schuckert-Werke G.m.b.H. (3) · EISENFUEHR (3) · Rudolf Wagner (3) · KAMERA KINOWERKE DRESDEN VEB (3)
Applicant is inventor:
Tech fields:
None (323) · LTA (25) · propulsion (16) · airplane (15) · propeller (9) · balloon (8) · frame (8) · airship (8) · control (8) · navigation (7) · stability (7) · propellers (6) · design (6) · lift (5) · wings (5) · whole (5) · flapping (4) · parachute (4)
Full specification filed date:
Application number:
None (304)
Granted:
Related to aircraft:
National tech categories: (Click arrow to add another value)
CPCs:
None (251) · CPC B64B1/00 (12) · CPC B64B1/58 (11) · CPC B64C3/00 (9) · CPC B64C35/00 (8) · CPC B64C2700/6281 (8) · CPC B64C17/00 (7) · CPC B64C11/006 (7) · CPC B64C33/02 (7) · CPC B64C27/00 (6) · CPC B64C25/62 (6) · CPC B64C9/00 (5) · CPC B64C2700/6233 (5) · CPC B64C11/00 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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