Drilldown: Patents

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Patents > Citations from after 1930: 2-4 & Number of text pages: 1-2 & Number of diagram pages: 0-20

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Office:
Inventors:
Spencer Heath (3) · None (2) · Eleazer Kempshall (2)
Inventor country:
Applicant person:
None (3) · Spencer Heath (3) · Eleazer Kempshall (2)
Applicant is inventor:
Tech fields:
None (25) · propeller (15) · military (14) · LTA (14) · frame (12) · propulsion (11) · projectile (11) · parachute (9) · kite (8) · stability (8) · navigation (7) · airplane (7) · balloon (6) · rudder (6) · Windmill (5) · helicopter (5) · marine (5) · propellers (5)
Full specification filed date:
Application number:
None (72)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (19) · Munn & Co. (14) · None (10) · Victor J. Evans (8) · Christy and Christy (2) · C. Bauman (2) · Eric W. Walford (2) · H. C. Everett Co. (2) · Herbert Haddan & Co. (2) · J. Bonnet-Thirion (2)
National tech categories:
None (48) · FR 6.4 (10) · USPC 244/3.23 (10) · USPC 244/153R (6) · USPC 244/119 (3) · USPC 244/97 (3) · USPC 24/713.8 (2) · USPC 244/66 (2) · USPC 244/63 (2) · USPC 244/60 (2) · USPC 416/117 (2) · USPC 244/17.19 (2) · USPC 244/22 (2) · USPC 244/35R (2) · USPC 244/234 (2) · USPC 244/32 (2) · USPC 416/113 (2) · USPC 244/3.3 (2) · USPC 102/371 (2) · USPC 74/471R (2)
IPCs:
None (80) · IPC B64B1/00 (8) · IPC B64C31/06 (7) · IPC B64C31/00 (7) · IPC B64C3/00 (3) · IPC B64C25/00 (3) · IPC B64C39/00 (3) · IPC B64C23/00 (3) · IPC B64C33/00 (2) · IPC B64C13/00 (2) · IPC B64C11/20 (2) · IPC B64B1/62 (2) · IPC B64B1/40 (2) · IPC B64C3/56 (2) · IPC F42B10/00 (2)
CPCs:
CPC B64C27/54 (9) · CPC A63H27/08 (6) · CPC F42B10/30 (6) · CPC Y02E10/74 (6) · CPC B64C2700/6295 (5) · CPC B64C23/005 (5) · CPC B64C13/00 (5) · CPC B64C11/48 (5) · CPC B64B1/40 (5) · None (4) · CPC B64B1/00 (4) · CPC B64C3/00 (4) · CPC F03D3/00 (4) · CPC B64C11/006 (4) · CPC B64C39/08 (4) · CPC B64C27/82 (3) · CPC B63H5/10 (3) · CPC B64C33/02 (3) · CPC Y02E10/20 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 153 results in range #1 to #153.

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