Drilldown: Patents

Jump to navigation Jump to search
Patents > Citations from after 1930: 2-5 & Number of diagram pages: 1-2

Use the filters below to narrow your results.

Office:
Inventors:
Spencer Heath (3) · None (2) · Christopher John Lake (2) · John J. Rectenwald (2) · Joseph W. Fawkes (2) · Frank M. Leavitt (2) · Emma C. Fawkes (2) · Rexford M. Smith (2) · Eleazer Kempshall (2) · David M. Mefford (2) · Émile Letord (2)
Inventor country:
Applicant person:
Spencer Heath (3) · None (2) · Joseph W. Fawkes (2) · Eleazer Kempshall (2) · Rexford M. Smith (2) · David M. Mefford (2) · Frank M. Leavitt (2) · Christopher John Lake (2) · Emma C. Fawkes (2) · Émile Letord (2) · John J. Rectenwald (2)
Applicant is inventor:
Tech fields:
None (31) · LTA (20) · propeller (19) · military (18) · projectile (16) · stability (11) · frame (9) · parachute (9) · propulsion (8) · kite (8) · marine (8) · airplane (7) · navigation (6) · safety (6) · helicopter (5) · propellers (5) · balloon (5)
Full specification filed date:
Application number:
None (83)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (18) · Munn & Co. (16) · None (11) · Victor J. Evans (4) · C. C. Hines (3) · Boult, Wade & Tennant (3) · B. Singer (2) · C. Bauman (2) · Hazard Strauss (2) · Eric W. Walford (2) · Herbert Haddan & Co. (2)
National tech categories:
None (69) · USPC 244/3.23 (14) · FR 6.4 (11) · USPC 244/153R (6) · USPC 244/97 (4) · USPC 416/113 (3) · USPC 244/234 (3) · FR 5.8 (3)
IPCs:
None (92) · IPC B64B1/00 (10) · IPC B64C31/06 (8) · IPC B64C31/00 (7) · IPC F42B10/00 (6) · IPC B64C39/00 (4) · IPC B64C3/00 (4) · IPC B64C27/04 (3) · IPC B64C25/00 (3) · IPC B64C23/00 (3) · IPC B64C13/00 (3) · IPC B64C11/04 (2) · IPC B64C3/56 (2) · IPC B64C3/18 (2) · IPC B64C13/04 (2) · IPC E02D5/80 (2) · IPC B64C11/20 (2) · IPC B64C1/00 (2) · IPC B64B1/62 (2) · IPC B64B1/40 (2)
CPCs:
CPC F42B10/30 (10) · CPC B64C11/006 (8) · CPC B64C27/54 (8) · CPC A63H27/08 (7) · CPC B64C11/48 (6) · CPC Y02E10/74 (6) · CPC B64C13/00 (6) · CPC B64B1/40 (6) · CPC B64C23/005 (6) · None (5) · CPC B64B1/00 (5) · CPC B64C11/04 (4) · CPC B63H1/04 (4) · CPC B64C2700/6295 (4) · CPC F03D3/00 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 187 results in range #1 to #187.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)