Drilldown: Patents

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Patents > National tech categories : DE 77h.15 or DE 77h.6 & Number of text pages: 2-9

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Office:
Inventors:
None (21) · Christian Lorenzen (5) · Jakob Haw (5) · Hellmuth Hirth (4) · Louis Blériot (3) · Heinrich Strieffler (2)
Inventor country:
Applicant is inventor:
Tech fields:
propeller (27) · propulsion (14) · LTA (13) · None (12) · subsystem (12) · airplane (9) · propellers (9) · car (7) · navigation (7) · nacelle (5) · safety (4) · helicopter (4) · military (4) · piloting (4) · marine (4)
Full specification filed date:
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IPCs:
None (25) · IPC B64B1/58 (4) · IPC B64C11/20 (4) · IPC B64C11/00 (4) · IPC B64D1/04 (3) · IPC B64C27/04 (3) · IPC B64C11/16 (3) · IPC B64B1/64 (3) · IPC B64C11/34 (3) · IPC B64B1/22 (2) · IPC B64C11/24 (2) · IPC B64B1/24 (2) · IPC B64B1/00 (2) · IPC B64C11/04 (2) · IPC B64C11/06 (2) · IPC B64C11/32 (2)
CPCs:
None (20) · CPC B64B1/58 (5) · CPC B64B1/64 (4) · CPC B64C11/00 (4) · CPC B64C11/20 (4) · CPC B64C11/04 (4) · CPC B64C27/20 (3) · CPC B64C2700/6281 (3) · CPC B64D1/04 (3) · CPC B64C11/24 (3) · CPC B64D27/04 (2) · CPC B64C11/22 (2) · CPC B64C11/205 (2) · CPC B64C11/065 (2) · CPC B64C11/006 (2) · CPC B64B1/22 (2) · CPC B21D53/78 (2)
First filing:
Cites these patents:
Citations from after 1930:
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Showing below up to 86 results in range #1 to #86.

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