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Patents > Filing date: December 31, 1969 & IPCs: None & CPCs: None

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Office:
Inventors:
None (3) · Ramiro de Palacios (2) · Joachim Heinrich Kronstein (2) · Wilhelm Goetjes (2)
Inventor country:
Applicant person:
None (55) · Joachim Heinrich Kronstein (2)
Applicant is inventor:
Tech fields:
LTA (21) · airplane (18) · propulsion (9) · kite (6) · helicopter (6) · navigation (5) · propeller (5) · military (4) · stability (4) · marine (3) · Airship (3) · takeoff (3) · brakes (3) · Infrastructure (3) · landing (2) · frame (2) · Dirigibles (2) · control (2) · Anchor (2)
Filing date:
Granted:
Supplementary to patent:
None (45) · 1 (7) ·   (2) · 1911-05-09 (2) · 1912-01-23 (2) · 1911-02-14 (2) · Patent DE-1894-83896 (2)
Related to aircraft:
National tech categories:
None (31) · HU V/h (11) · USPC 244/153R (4) · IT 8 (3) · DK 77 (2) · 1 (2)
IPCs: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:

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