Drilldown: Patents

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Patents > Filing date: December 31, 1969 & IPCs : IPC B64C3/38 or None

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Office:
Inventors:
None (3) · Peter MAHONY (2) · Charles M. BROWN (2) · Ramiro de Palacios (2) · Wilhelm Goetjes (2) · Maurice Léger (2) · Joachim Heinrich Kronstein (2)
Inventor country:
Applicant person:
None (70) · Joachim Heinrich Kronstein (2)
Applicant is inventor:
Tech fields:
airplane (34) · LTA (30) · propulsion (12) · military (11) · kite (9) · helicopter (8) · stability (6) · navigation (6) · propeller (5) · landing (3) · Infrastructure (3) · frame (3) · marine (3) · control (3) · brakes (3) · Airship (3) · takeoff (3) · Anchor (2) · Dirigibles (2)
Application number:
None (65) · propeller (9) · navigation (6) · rudder (5) · propulsion (5) · wheels (5) · stability (4) · frame (3) · car (2) · parachute (2) · hybrid (2) · flapping (2)
Granted:
Supplementary to patent:
None (62) · 1 (11) ·   (2) · 1912-01-23 (2) · Patent DE-1894-83896 (2) · 1911-02-14 (2) · 1911-05-09 (2)
Patent agent:
None (75) · 1 (8) · 0.5 (2) · 1912-01-09 (2) · 1911-05-30 (2) · 1911-02-28 (2)
National tech categories:
None (58) · HU V/h (11) · USPC 244/153R (4) · IT 8 (3) · USPC 244/3.23 (3) · USPC 244/3.3 (2) · DK 77 (2) · 1 (2) · USPC 244/73R (2) · USPC 244/80 (2)
IPCs: (Click arrow to add another value)
First filing:
Cites these patents:
None (78) · 1910 (6) · 1 (4) · 1911 (4) · USPC 244/48 (3) · CPC B64B1/00 (3) · 1909 (3) · 1907 (2) · 1887 (2) · USPC 244/87 (2) · 0 (2)
Citations from after 1930:

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