Drilldown: Patents

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Patents > Office: US & Applicant firm: None & Number of figures: 6-7

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Tech fields:
None (96) · airplane (77) · frame (69) · propulsion (51) · LTA (50) · propeller (45) · stability (39) · navigation (33) · rudder (27) · flapping (25) · hybrid (23) · wheels (19) · control (18) · marine (18) · landing (17) · helicopter (17) · airfoil (16) · propellers (16) · whole (15) · safety (15)
Full specification filed date:
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Related to aircraft:
Patent agent:
None (99) · Munn & Co. (40) · Victor J. Evans (25) · None (10) · C. A. Snow & Co. (4) · James L. Norris (4) · Randolph, Jr. (4) · A. M. Wilson (3) · Wiedersheim & Fairbanks (3) · Briesen & Knauth (3) · E. E. Vrooman (3) · H. S. Hill (3)
IPCs:
None (300) · IPC B64B1/00 (14) · IPC B64C33/00 (9) · IPC B64C39/00 (8) · IPC B64C25/00 (6) · IPC B64C3/00 (5) · IPC B64C17/00 (4) · IPC B64C13/00 (4) · IPC B64C3/38 (4) · IPC F42B10/00 (4) · IPC B64C31/00 (4) · IPC B64C1/00 (3) · IPC B64C29/00 (3) · IPC B64D17/00 (3) · IPC B64C31/06 (3)
CPCs:
CPC B64C13/00 (34) · CPC B64B1/00 (29) · CPC B64C23/005 (25) · CPC B64C33/02 (23) · CPC B64C17/00 (21) · CPC B64C39/005 (17) · CPC B64C3/385 (17) · CPC B64C2700/6295 (15) · CPC B64C11/006 (12) · CPC B64C27/54 (12) · CPC B64C39/08 (12) · CPC B64C27/82 (7) · CPC B64C9/00 (7) · CPC B64B1/40 (6) · CPC Y02E10/72 (6) · CPC B64C33/00 (5) · CPC B64C11/48 (5) · CPC B63H1/04 (5) · CPC B64C11/04 (5)
First filing:
Citations from after 1930:
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