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Patents > Office: US & Number of claims: 3-4

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Office: (Click arrow to add another value)
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Applicant is inventor:
Tech fields:
LTA (87) · frame (85) · airplane (81) · propulsion (71) · stability (69) · None (68) · propeller (67) · navigation (49) · rudder (33) · parachute (27) · balloon (27) · helicopter (24) · flapping (23) · car (23) · safety (23) · marine (23) · military (21) · control (20) · hybrid (20) · wheels (19)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (435) · 1 (2) · Patent FR-1909-402649 (2)
Related to aircraft:
Patent agent:
None (161) · Munn & Co. (36) · Victor J. Evans (16) · None (9) · James L. Norris (6) · C. A. Snow & Co. (6) · Joshua R. H. Potts (4) · B. Singer (4) · Watson E. Coleman (3) · 1 (3) · H. B. Willson & Co. (3)
Assigned to:
None (428) · 1 (3) · Magneso Calcite Fire-Proof Company (2) · Albert L. Watters (2) · Sperry Gyroscope Company (2)
IPCs:
None (330) · IPC B64B1/00 (25) · IPC B64C39/00 (14) · IPC B64C31/00 (11) · IPC B64C3/00 (10) · IPC B64C31/06 (10) · IPC B64C33/00 (9) · IPC B64C13/00 (8) · IPC B64C25/00 (5) · IPC B64C3/38 (4) · IPC F42B10/00 (4) · IPC B64C17/00 (4) · IPC B64C13/12 (4) · IPC B64C1/00 (4) · IPC B64C11/00 (4) · IPC B64C27/00 (3) · IPC B64D17/00 (3)
First filing:
Citations from after 1930:
Number of claims:

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