Drilldown: Patents

Jump to navigation Jump to search
Patents > National tech categories : DE 77h.6 or USPC 244/65 & Number of text pages: 2-3

Use the filters below to narrow your results.

Office:
Inventors:
None (14) · Jakob Haw (5) · Christian Lorenzen (4) · Hellmuth Hirth (3)
Inventor country:
Applicant person:
None (23) · Jakob Haw (5) · Christian Lorenzen (2)
Applicant is inventor:
Tech fields:
propeller (34) · propulsion (19) · Propellers (12) · helicopter (8) · parachute (6) · Airplane (6) · subsystem (4) · navigation (3) · metal (3) · marine (3) · ascension (3) · car (3) · safety (3) · frame (3) · Aerial propeller (2) · None (2) · motor (2) · design (2) · aerodynamics (2)
Full specification filed date:
Granted:
Related to aircraft:
Assigned to:
National tech categories: (Click arrow to add another value)
CPCs:
None (11) · CPC B64C11/04 (6) · CPC B64C11/00 (6) · CPC B64C2700/6281 (4) · CPC B64C11/20 (4) · CPC B64C27/20 (3) · CPC B64C11/36 (3) · CPC B64C11/24 (3) · CPC B64C27/82 (2) · CPC B64C11/22 (2) · CPC B64C11/205 (2) · CPC B64C11/346 (2) · CPC B64C11/065 (2) · CPC B64C11/006 (2) · CPC B21D53/78 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 66 results in range #1 to #66.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)