Drilldown: Patents

Jump to navigation Jump to search
Patents > Office : DE or UN & National tech categories: DE 77h.6 & Number of diagram pages: 1

Use the filters below to narrow your results.

Office: (Click arrow to add another value)
Inventors:
None (10) · Christian Lorenzen (7) · Jakob Haw (7) · Hellmuth Hirth (4) · Lucien Chauvière (2) · Paul Frederik Degn (2) · Joseph Hofmann (2)
Inventor country:
Applicant type:
Applicant is inventor:
Tech fields:
propeller (44) · propulsion (13) · propellers (8) · subsystem (6) · helicopter (4) · airplane (4) · None (3) · marine (3) · metal (3) · wood (2) · barometer (2) · motor (2) · aerodynamics (2) · safety (2) · stability (2) · parachute (2) · design (2) · electricity (2) · wing (2)
Full specification filed date:
Granted:
Related to aircraft:
Assigned to:
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

Showing below up to 63 results in range #1 to #63.

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

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