Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & National tech categories : USPC 244/30 or None

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Office:
Inventor country:
Applicant firm:
None (375) · Curtiss Aeroplane (22) · Westinghouse Electric & Manufacturing Company (6) · Sperry Gyroscope Company (6) · Société des Avions Louis Bréguet (5) · Moteurs Salmson (4) · Société Anonyme des Établissements Nieuport (4) · Grand Rapids Trust Company (3) · Tarbox Safety Aircraft Company (3)
Applicant is inventor:
Tech fields:
None (313) · airplane (54) · design (26) · frame (24) · construction (23) · propellers (22) · wings (19) · aerodynamics (15) · stability (14) · propeller (13) · control (12) · LTA (11) · landing (10) · fuselage (10) · propulsion (10) · instrument (9) · navigation (9) · biplane (9) · rudder (8)
Full specification filed date:
Application number:
Granted:
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Supplementary to patent:
None (436) · Patent DE-1916-349065 (2) · Patent CA-1918-196108 (2) · Patent GB-1917-126391 (2)
Related to aircraft:
Patent agent:
None (339) · Herbert H. Thompson‎‎ (9) · John P. Tarbox (6) · Marks & Clerk (6) · None (5) · Munn & Co. (4) · Joseph F. O'Brien (4) · W. P. Thompson & Co. (3) · H. R. Kerslake (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (310) · IPC B64C3/00 (22) · IPC B64C17/00 (8) · IPC B64C39/00 (8) · IPC B64C35/00 (8) · IPC B64C3/18 (6) · IPC B64C11/04 (6) · IPC B64C11/20 (6) · IPC B64C3/56 (5) · IPC B64C13/00 (5) · IPC B64C1/00 (5) · IPC B64C13/12 (5) · IPC B64C3/38 (5) · IPC B64C3/50 (4) · IPC B64C25/00 (4)
CPCs:
CPC B64C3/00 (44) · CPC B64C39/00 (29) · CPC B64C17/00 (28) · CPC B64C2700/6295 (26) · None (20) · CPC B64C2700/6233 (20) · CPC B64C23/005 (17) · CPC B64C2700/6235 (17) · CPC B64C13/00 (17) · CPC B64C35/00 (15) · CPC B64C11/04 (15) · CPC B64C2700/6256 (14) · CPC B64C2001/0081 (12) · CPC B64C2700/6212 (12) · CPC B64C3/18 (10) · CPC B64C11/20 (9) · CPC B64C1/00 (9) · CPC B64B1/00 (9) · CPC B64C2001/0063 (9) · CPC B64C3/185 (9)
First filing:
Citations from after 1930:
Number of diagram pages:

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