Drilldown: Patents

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Patents > Office : IT or US & Citations from after 1930: 1-3 & Number of text pages: 2-3

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Office: (Click arrow to add another value)
Inventor country:
Applicant is inventor:
Tech fields:
None (40) · propeller (38) · frame (32) · stability (32) · propulsion (28) · LTA (28) · airplane (25) · helicopter (21) · navigation (20) · rudder (20) · parachute (19) · wheels (14) · car (12) · safety (12) · airfoil (12) · marine (11) · military (10) · landing (9) · projectile (9)
Full specification filed date:
Application number:
None (75)
Granted:
Publication date:
Related to aircraft:
Patent agent:
Munn & Co. (18) · Victor J. Evans (13) · None (12) · None (10) · C. A. Snow & Co. (7) · H. B. Willson & Co. (3) · Chandler & Chandler (3)
National tech categories:
None (84) · USPC 244/22 (7) · USPC 244/66 (7) · USPC 244/3.23 (7) · USPC 244/73R (6) · USPC 244/80 (6) · USPC 244/64 (5) · USPC 244/35R (5) · USPC 244/32 (5) · USPC 244/70 (4) · USPC 244/17.19 (4)
IPCs:
None (172) · IPC B64B1/00 (10) · IPC B64C39/00 (7) · IPC B64C33/00 (5) · IPC B64C3/00 (5) · IPC B64C31/06 (4) · IPC B64C25/00 (4) · IPC F42B10/00 (4) · IPC B64C33/02 (3) · IPC B64C3/18 (3) · IPC B64C31/00 (3) · IPC B64C13/00 (3) · IPC B64C11/04 (2) · IPC B64C23/00 (2) · IPC B64C13/12 (2) · IPC B64C11/20 (2) · IPC B64F1/00 (2) · IPC B64C5/04 (2)
CPCs:
CPC B64C27/54 (17) · CPC B64B1/00 (14) · CPC B64C11/48 (12) · CPC B64C39/005 (12) · CPC B64C27/82 (12) · CPC B64C33/02 (11) · CPC B64C11/006 (10) · CPC B64C17/00 (8) · CPC B64C23/005 (8) · CPC B64C13/00 (7) · CPC B64B1/40 (6) · CPC B64C2700/6295 (6) · CPC Y02E10/74 (5) · CPC B64C39/08 (5) · CPC B63H1/04 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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