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Patents > National tech categories : DE 77h.6 or USPC 244/100R & Family year: 1910 - 1919

Use the filters below to narrow your results.

Office:
Inventors:
None (7) · Christian Lorenzen (5) · Jakob Haw (4) · Leicester Bodine Holland (2) · Hellmuth Hirth (2) · Harry Anthony Orme (2)
Inventor country:
Applicant person:
None (11) · Jakob Haw (4) · Christian Lorenzen (2) · Leicester Bodine Holland (2) · Hellmuth Hirth (2) · Harry Anthony Orme (2)
Applicant is inventor:
Tech fields:
propeller (20) · None (14) · airplane (10) · Propellers (8) · landing (6) · wheels (4) · subsystem (4) · stability (4) · propulsion (4) · frame (4) · design (3) · takeoff (3) · navigation (3)
Full specification filed date:
Application number:
None (16)
Granted:
Publication date:
Related to aircraft:
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C25/52 (10) · CPC B64C11/04 (6) · CPC B64C13/00 (6) · CPC B64C11/20 (4) · None (3) · CPC B64C11/24 (3) · CPC B64C2700/6295 (3) · CPC B64C11/00 (3) · CPC B64C17/00 (2) · CPC B64C11/34 (2) · CPC Y10S244/904 (2) · CPC B64C11/16 (2) · CPC B64C11/065 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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