Drilldown: Patents

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Patents > Inventor country : RO or None & Filing date: 1900 - 1999 & Grant date: 1900 - 1999 & IPCs: None

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Office:
Inventors:
None (85) · Samuel Edgar Saunders (7) · Harris G Hooper (5) · Melville W MIX (4) · James Arthur Peters (3) · Francis J PLYM (3) · Henri-Marie Coandă (3)
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Applicant is inventor:
Tech fields:
None (266) · airplane (20) · Propulsion (13) · design (11) · Propellers (11) · stability (10) · frame (8) · wings (8) · aerodynamics (8) · construction (7) · navigation (7) · balloons (7) · subsystem (6) · LTA (6) · safety (4) · control (4) · airship (4) · propeller (4) · balloon (4)
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Related to aircraft:
National tech categories:
None (305) · HU V/h (9) · AT 77d (4) · DE 77h (3) · USPC 244/147 (2)
IPCs: (Click arrow to add another value)
CPCs:
None (80) · CPC B64C3/00 (23) · CPC B64C39/00 (19) · CPC B64C2700/6295 (17) · CPC B64C2700/6233 (14) · CPC B64C17/00 (13) · CPC B64C13/00 (12) · CPC B64C3/18 (12) · CPC B64C23/005 (11) · CPC B64C2700/6256 (9) · CPC B64C2700/6235 (9) · CPC B64C2700/6212 (8) · CPC B64C11/04 (8) · CPC B62C5/04 (7) · CPC B64C11/36 (6) · CPC B64C2001/0081 (6) · CPC B64C2700/6274 (6) · CPC B64C3/185 (6) · CPC B64B1/00 (6) · CPC B64C11/20 (6)
First filing:
Cites these patents:
Citations from after 1930:
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