Drilldown: Patents

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Patents > IPCs: None & Family year: 1900 - 1909 & Number of claims: 4-50

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Inventor location:
None (507) · Budapest (9) · Chicago (7) · New York (5) · Paris (4) · New York City (4) · London (3) · PA (3) · Allegheny county, Pennsylvania (3) · Illinois (3) · Pennsylvania (3) · Pittsburgh (3) · Kansas (3)
Applicant is inventor:
Tech fields:
airplane (180) · Frame (145) · propulsion (119) · stability (114) · propeller (95) · navigation (95) · Design (79) · LTA (78) · None (63) · Rudder (59) · Propellers (55) · wings (49) · flapping (46) · Control (46) · airfoil (44) · whole (42) · wheels (37) · Helicopter (36) · Construction (35) · marine (34)
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Supplementary to patent:
None (436) · Patent GB-1908-4519 (7) · Patent US-1909-970771 (6) · Patent SE-1906-23283 (5) · Patent GB-1909-2111 (5) · Patent DE-1907-214228 (4) · Patent GB-1909-26034 (4) · Patent US-1908-1077750 (3) · Patent US-1903-821393 (3) · Patent GB-1909-8531 (3) · Patent US-1910-1055379 (3)
Related to aircraft:
National tech categories:
None (219) · HU V/h (50) · USPC 244/22 (13) · USPC 244/80 (13) · USPC 244/45R (12) · USPC 244/6 (12) · AT 77d (10) · FR 6.4 (9) · USPC 244/64 (7) · USPC 244/70 (7) · USPC 244/72 (7) · USPC 244/9 (6) · USPC 244/25 (6) · USPC 244/48 (6) · CH 129b (6) · USPC 244/20 (6) · USPC 244/153R (6)
IPCs: (Click arrow to add another value)
CPCs:
None (252) · CPC B64C23/005 (25) · CPC B64C33/02 (25) · CPC B64B1/00 (24) · CPC B64C13/00 (21) · CPC B64C39/005 (17) · CPC B64C39/08 (16) · CPC B64C2700/6295 (16) · CPC B64C17/00 (15) · CPC B64C11/006 (14) · CPC B64C11/48 (10) · CPC B64C3/385 (8) · CPC B64C27/12 (7) · CPC B64C27/82 (7) · CPC B64B1/40 (7) · CPC B64C33/00 (6) · CPC A63H27/08 (6)
First filing:
Citations from after 1930:
Number of diagram pages:

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