Drilldown: Patents

Jump to navigation Jump to search
Patents > National tech categories : DE 77h.5 or HU V/h & IPCs: None & Family year: 1909

Use the filters below to narrow your results.

Year filed:
(There are no values for this filter)
Year granted:
Office:
Inventors:
None (5) · Johann Schütte (5) · Eduard Penkala (3) · Hermann Ruthenberg (3) · Donát Bánki (2) · Rudolf Penkala (2) · Gustave Plaisant (2) · Richard Wilcke (2) · Jean Georges Ramel (2) · Sam Leonard Walkden‎‎ (2) · Albert Graff (2)
Inventor country:
Applicant person:
None (5) · Johann Schütte (5) · Eduard Penkala (3) · Hermann Ruthenberg (3) · Donát Bánki (2) · Rudolf Penkala (2) · Gustave Plaisant (2) · Richard Wilcke (2) · Jean Georges Ramel (2) · Sam Leonard Walkden‎‎ (2) · Albert Graff (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (25) · Design (23) · subsystem (20) · whole (20) · Propellers (19) · Airship (17) · Stability (12) · Construction (12) · propulsion (12) · Frame (10) · Control (8) · automatic stability (8) · lift (8) · LTA (7) · Aerodynamics (5) · wings (5) · Ascension (5) · Helicopter (4) · Sustentation (4)
Full specification filed date:
Application number:
None (3)
Grant date:
Granted:
Publication date:
Related to aircraft:
Patent agent:
Assigned to:
National tech categories: (Click arrow to add another value)
IPCs: (Click arrow to add another value)
Family year:
(There are no values for this filter)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 58 results in range #1 to #58.

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


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