Drilldown: Patents

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Patents > Office: US & Family year: 1909 & Cites these patents: None

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Tech fields:
None (82) · frame (82) · airplane (80) · propeller (67) · navigation (56) · rudder (53) · stability (51) · propulsion (45) · LTA (31) · wheels (29) · car (22) · takeoff (19) · helicopter (18) · propellers (17) · airfoil (15) · hybrid (15) · safety (15) · balloon (14) · flapping (14)
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Patent agent:
None (142) · Munn & Co. (13) · None (10) · Noyes & Harriman‎ (4) · Victor J. Evans (3) · B. Singer (3) · Michael J. Stark & Sons (3) · Frank T. Wentworth (3) · Watson E. Coleman (2) · W. J. FitzGerald & Co. (2) · Spencer Heath (2) · R. S. & A. B. Lacey (2) · Criswell & Criswell (2) · Joshua R. H. Potts (2) · James L. Norris (2) · H. C. Everett Co. (2) · Frank Briesen (2) · Dyrenforth, Lee, Chritton, and Wiles (2) · Woodward & Chandler (2)
National tech categories:
None (41) · USPC 244/45R (10) · USPC 244/22 (10) · USPC 244/80 (9) · USPC 244/13 (7) · USPC 244/93 (7) · USPC 244/87 (7) · USPC 244/66 (7) · USPC 244/65 (7) · USPC 244/48 (7) · USPC 244/64 (6) · USPC 244/20 (6) · USPC 244/72 (6) · USPC 244/88 (5) · USPC 244/90R (5) · USPC 244/6 (5) · USPC 244/234 (5) · USPC 244/96 (5)
IPCs:
None (239) · IPC B64C39/00 (8) · IPC B64B1/00 (6) · IPC B64C33/00 (6) · IPC B64F1/06 (4) · IPC B64C13/00 (4) · IPC B64C3/00 (4) · IPC B64C31/00 (2) · IPC B64F1/00 (2) · IPC B64C31/06 (2) · IPC A63G1/00 (2) · IPC B64C27/00 (2) · IPC B64C33/02 (2) · IPC B64C25/00 (2) · IPC B60T1/00 (2)
CPCs:
CPC B64C2700/6295 (27) · CPC B64C13/00 (23) · CPC B64B1/00 (18) · CPC B64C33/02 (17) · CPC B64C3/385 (14) · CPC B64C39/005 (14) · CPC B64C23/005 (13) · CPC B64C17/00 (13) · CPC B64C39/08 (12) · None (10) · CPC B64C27/82 (8) · CPC B64B1/40 (8) · CPC B64C11/36 (7) · CPC B64C11/006 (5) · CPC F03D3/00 (5) · CPC B64C27/54 (5) · CPC B64C9/00 (5) · CPC B64C29/0033 (5) · CPC Y02E10/74 (5)
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