Drilldown: Patents

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Patents > Citations from after 1930: 2-2000 & Number of text pages: 2

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Office:
Inventors:
Spencer Heath (4) · Joseph Vanorio (4) · None (2) · Louis Gathmann (2) · William Leslie Denham (2) · Francis J. Plym (2) · John W. Rapp (2) · John J. Rectenwald (2) · Georges Barbaudy (2)
Inventor country:
Inventor location:
None (176) · Los Angeles (4) · Ohio (4) · Pittsburgh (3) · Allegheny county, Pennsylvania (3) · New Jersey (3) · London (3) · New York (3) · PA (3) · Jefferson county, AL (2) · New York state (2) · Michigan (2) · Birmingham, Alabama (2) · Wisconsin (2)
Applicant person:
None (4) · Spencer Heath (4) · John William Rapp (3) · William Leslie Denham (2) · Georges Barbaudy (2) · Louis Gathmann (2) · Francis J. Plym (2) · John J. Rectenwald (2)
Applicant is inventor:
Tech fields:
propeller (33) · None (32) · military (17) · frame (17) · LTA (17) · kite (15) · projectile (14) · propulsion (13) · airplane (13) · Stability (11) · parachute (10) · construction (9) · Safety (8) · rudder (8) · helicopter (7) · balloon (7) · Windmill (7) · navigation (7)
Full specification filed date:
Application number:
None (103) · 22495318 (2) · 25723218 (2)
Granted:
Related to aircraft:
Patent agent:
None (21) · Munn & Co. (19) · None (13) · Victor J. Evans (9) · Joseph F. O'Brien (4) · Christy and Christy (3) · Joshua R. H. Potts (3) · Marks & Clerk (3) · H. C. Evert & Co. (3) · C. Bauman (2) · Mason, Fenwick & Lawrence (2) · Armengaud jeune (2) · James L. Norris (2) · George Thorpe (2) · Eric W. Walford (2) · L. Chassevent (2) · E. E. Vrooman (2) · Herbert Haddan & Co. (2)
National tech categories:
None (95) · USPC 244/3.23 (13) · FR 6.4 (11) · USPC 244/153R (9) · USPC 244/119 (4) · USPC 244/155R (4) · USPC 244/63 (3) · USPC 244/35R (3) · USPC 244/3.3 (3)
IPCs:
None (128) · IPC B64B1/00 (8) · IPC F42B10/00 (7) · IPC B64C3/00 (7) · IPC B64C31/06 (6) · IPC B64C31/00 (5) · IPC B64C11/20 (5) · IPC B64C33/00 (4) · IPC B63H1/12 (4) · IPC B64C39/00 (3) · IPC B64C23/00 (3) · IPC B64C1/08 (2) · IPC B64C3/18 (2) · IPC B64C25/00 (2) · IPC B64C5/04 (2) · IPC B64C13/00 (2) · IPC B64C3/56 (2) · IPC B64C29/00 (2) · IPC B64B1/62 (2)
CPCs:
CPC A63H27/08 (11) · CPC B64C11/48 (10) · CPC Y02E10/74 (8) · CPC B64C3/00 (8) · CPC B64C27/54 (7) · CPC F03D3/00 (7) · CPC F42B10/30 (7) · None (6) · CPC B64B1/00 (6) · CPC B64C13/00 (6) · CPC B64C11/006 (6) · CPC F05B2260/96 (5) · CPC B64C2700/6295 (5) · CPC B63H1/12 (5) · CPC B64C27/463 (5) · CPC B63H5/10 (5) · CPC B64C27/82 (5) · CPC B64B1/40 (4) · CPC B64C23/005 (4) · CPC B64C39/08 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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