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Patents > Office : US or Other & Grant date: 1900 - 1999 & Citations from after 1930: 1-2

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Office: (Click arrow to add another value)
Inventor country:
Applicant is inventor:
Tech fields:
None (126) · airplane (60) · stability (59) · propeller (46) · LTA (45) · propulsion (45) · frame (45) · navigation (26) · control (22) · helicopter (22) · rudder (21) · parachute (20) · wheels (18) · safety (18) · aerial propeller (17) · marine (15) · hybrid (14) · Landing (14) · car (13) · automatic stability (13)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (417) · Patent BE-1912-02-07-Gramaticesco (3) · Patent FR-1916-501550 (2)
Related to aircraft:
National tech categories:
None (187) · FR 6.4 (57) · USPC 244/45R (12) · USPC 244/119 (9) · USPC 244/80 (8) · USPC 244/22 (7) · USPC 244/35R (7) · USPC 244/177 (6) · USPC 244/90R (6) · USPC 244/20 (6) · USPC 244/66 (6) · USPC 244/64 (6) · USPC 244/6 (5)
IPCs:
None (251) · IPC B64C3/00 (18) · IPC B64C39/00 (17) · IPC B64B1/00 (14) · IPC B64C3/38 (14) · IPC B64C1/00 (10) · IPC B64C25/00 (9) · IPC B64C17/00 (9) · IPC B64C35/00 (8) · IPC B64C13/00 (7) · IPC B64C33/00 (7) · IPC B64C3/54 (7) · IPC B64C23/00 (6) · IPC B64C3/14 (4) · IPC B64C11/48 (4) · IPC B64C13/12 (4) · IPC B64C33/02 (4) · IPC B64B1/62 (4) · IPC B64C13/24 (4)
CPCs:
CPC B64C17/00 (24) · CPC B64C13/00 (23) · CPC B64C3/385 (22) · CPC B64C23/005 (21) · CPC B64C39/005 (20) · None (19) · CPC B64C2700/6295 (19) · CPC B64C3/00 (19) · CPC B64B1/00 (18) · CPC B64C33/02 (13) · CPC B64C39/08 (13) · CPC B64C11/48 (12) · CPC B64C11/006 (12) · CPC B64C35/00 (11) · CPC B64C2700/6235 (11) · CPC B64C3/14 (11) · CPC B64C27/82 (9) · CPC B64C25/62 (8)
First filing:
Cites these patents:
None (463) · Patent US-1903-821393 (2)
Citations from after 1930:
Number of diagram pages:

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