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Patents > Tech fields : paddle-wheel or wings & Application number: None

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Inventor location:
None (298) · Budapest (3) · Massachusetts (2) · Billancourt (2)
Applicant person:
None (62) · Robert Esnault-Pelterie (7) · Ernst Heinkel (6) · Jan Jaakson (6) · John Washington Wilson (5) · George Raymond Lawrence (5) · Arthur Henry Edwards (4) · Edmund Sparmann (4) · Ruter William Springer (4)
Applicant is inventor:
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Full specification filed date:
Application number: (Click arrow to add another value)
Granted:
Supplementary to patent:
None (207) · Patent SE-1906-23283 (6) · Patent GB-1911-12232 (6) · Patent US-1913-04-21 George Raymond Lawrence (5) · Patent US-1909-970771 (4) · Patent SE-1906-25199 (4) · Patent CH-1912-62201 (3) · Patent US-1908-922952 (3) · Patent GB-1908-4519 (3) · Patent US-1916-1208684 (3)
Related to aircraft:
Patent agent:
None (199) · Duvinage (6) · None (5) · De Visscher et Graetz (4) · Brierley & Howard (3) · A. Wunderlich & Cie, Ingénieurs-Conseils (3) · Abel & Imray (3) · Munn & Co. (3) · L. Chassevent (3) · Raclot et Cie (3) · E. Blum & Co. (3)
National tech categories:
None (84) · BE K (44) · AT 77d (38) · DE 77h.5 (25) · IT 8 (13) · HU V/h (12) · DE 77h (9) · DK 77 (9) · FR 6.4 (8) · CH 129b (7) · GB 4 propel & steer (6) · GB 4 with buoyant (5) · RU Group V (5) · DE 77h.10 (5) · GB 4 without buoyant (4) · DE 77h.7 (4)
CPCs:
None (226) · CPC B64C11/006 (12) · CPC B64C33/02 (7) · CPC B64C3/52 (6) · CPC B64C3/56 (5) · CPC B64C27/54 (4) · CPC B64B1/00 (4) · CPC B64C3/38 (4) · CPC B64C3/00 (4) · CPC F05B2260/74 (3) · CPC B64C33/00 (3) · CPC B64C3/42 (3) · CPC B64C2700/6245 (3) · CPC B64C3/26 (3) · CPC B64C1/26 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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