Drilldown: Patents

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Patents > Office : IN or US & Applicant firm: None & Number of claims: 3-4

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Office: (Click arrow to add another value)
Applicant firm: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (86) · frame (84) · LTA (82) · None (79) · propulsion (78) · stability (70) · propeller (69) · navigation (50) · rudder (34) · flapping (32) · parachute (30) · balloon (26) · helicopter (24) · hybrid (24) · marine (23) · safety (23) · car (22) · military (19) · kite (19) · propellers (18)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (459) · 1 (2) · Patent FR-1909-402649 (2)
Related to aircraft:
Assigned to:
None (464) · 1 (2) · Albert L. Watters (2)
IPCs:
None (354) · IPC B64B1/00 (23) · IPC B64C39/00 (14) · IPC B64C31/00 (11) · IPC B64C3/00 (10) · IPC B64C31/06 (10) · IPC B64C33/00 (8) · IPC B64C13/00 (7) · IPC B64C3/38 (6) · IPC F42B10/00 (4) · IPC B64C25/00 (4) · IPC B64C17/00 (4) · IPC B64C1/00 (4) · IPC B64C11/00 (4) · IPC B64D17/00 (4) · IPC B64C27/00 (3) · IPC B64C5/04 (3)
First filing:
Citations from after 1930:
Number of claims:

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