Drilldown: Patents

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Patents > Supplementary to patent: None & National tech categories : DE 77h.6 or FR 5.3

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Office:
Inventors:
None (17) · Jakob Haw (6) · Christian Lorenzen (4) · Hellmuth Hirth (4) · Dane Hurlburt (2)
Inventor country:
Applicant person:
None (31) · Jakob Haw (4) · Christian Lorenzen (2) · Hellmuth Hirth (2) · Dane Hurlburt (2) · Hans Reissner (2)
Applicant is inventor:
Tech fields:
propeller (41) · None (18) · propulsion (16) · propellers (9) · subsystem (7) · airplane (5) · metal (4) · marine (4) · construction (4) · wing (3) · motor (3) · Safety (3) · helicopter (3) · Frame (3)
Full specification filed date:
Granted:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Assigned to:
National tech categories: (Click arrow to add another value)
IPCs:
None (23) · IPC B64C11/16 (8) · IPC B64C11/06 (4) · IPC B64C11/34 (4) · IPC B64C11/20 (4) · IPC B64C3/00 (4) · IPC B64C27/04 (3) · IPC B64C11/00 (3) · IPC B64C11/04 (2) · IPC B64C11/24 (2) · IPC B64C39/00 (2) · IPC B64C11/32 (2) · IPC F16G11/12 (2)
CPCs:
None (16) · CPC B64C11/04 (5) · CPC B64C3/00 (4) · CPC B64C11/00 (4) · CPC B64C11/20 (4) · CPC B64C2700/6235 (4) · CPC B64C11/16 (3) · CPC B64C11/24 (3) · CPC B64C11/006 (3) · CPC B64C2700/6281 (3) · CPC B64C27/20 (3) · CPC F16G11/12 (2) · CPC B64C11/205 (2) · CPC B64D27/00 (2) · CPC B21D53/78 (2) · CPC B64C11/065 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 86 results in range #1 to #86.

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