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Patents > Citations from after 1930: 2-5

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Office:
Inventor country:
Applicant is inventor:
Tech fields:
None (47) · LTA (30) · propeller (28) · stability (25) · propulsion (20) · frame (19) · helicopter (15) · airplane (15) · military (13) · parachute (12) · marine (11) · Navigation (10) · projectile (10) · wheels (10) · safety (10) · kite (9) · rudder (9) · landing (8)
Full specification filed date:
Application number:
None (89) · 1910567949 (2)
Granted:
Publication date:
Related to aircraft:
Patent agent:
Munn & Co. (23) · None (20) · None (14) · Victor J. Evans (12) · C. C. Hines (4) · Charles W. Hills (3) · Boult, Wade & Tennant (3) · Hazard Strauss (2) · Eric W. Walford (2) · H. B. Willson & Co. (2) · Dodge & Sons (2) · C. Bauman (2) · Brown & Hopkins (2) · Parker & Burton (2) · B. Singer (2) · Henry Lucke (2) · Herbert Haddan & Co. (2) · James L. Norris (2)
National tech categories:
None (89) · FR 6.4 (12) · USPC 244/153R (7) · USPC 244/3.23 (7) · USPC 244/97 (5) · USPC 244/22 (4) · USPC 244/25 (4) · USPC 416/129 (4) · USPC 244/17.11 (4) · USPC 244/17.15 (4)
IPCs:
None (133) · IPC B64B1/00 (17) · IPC B64C31/06 (9) · IPC B64C31/00 (8) · IPC F42B10/00 (6) · IPC B64C25/00 (6) · IPC B64C3/00 (6) · IPC B64C39/00 (5) · IPC B64C23/00 (5) · IPC B64C27/04 (4) · IPC B64C13/00 (4) · IPC B64C33/00 (3) · IPC B64C33/02 (3) · IPC B64C17/00 (3)
CPCs:
CPC B64B1/00 (14) · CPC B64C27/54 (11) · CPC B64C11/48 (9) · CPC B64C23/005 (9) · CPC B64C11/006 (9) · CPC A63H27/08 (8) · CPC Y02E10/74 (8) · None (7) · CPC B64C27/82 (7) · CPC B64C17/00 (7) · CPC B64C33/02 (7) · CPC B63H5/10 (6) · CPC F03D3/00 (6) · CPC B64B1/40 (6) · CPC B64C13/00 (6) · CPC B64C2700/6295 (5) · CPC F42B10/30 (5) · CPC B63H1/04 (5)
First filing:
Citations from after 1930:
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