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Patents > Tech fields : construction or lift & CPCs : CPC B64C23/005 or None

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None (235)
Granted:
Supplementary to patent:
None (223) · Patent GB-1908-4519 (8) · Patent US-1909-970771 (6) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent SE-1906-23283 (4) · Patent DE-1909-220044 (4) · Patent FR-1909-403985 (3) · Patent DE-1898-126955 (3) · Patent GB-1909-2111 (3) · Patent BE-1913-253298 (3) · Patent SE-1906-25199 (3) · Patent FR-1908-394254 (2) · Patent GB-1909-12556 (2) · Patent FR-1908-407090 (2) · Patent HU-1901-24148 (2) · Patent DE-1912-08-27 AGO Flugzeugwerke G. m. b. H. (2) · Patent AT-1913-79244 (2) · Patent DK-1908-11943 (2) · Patent AT-1912-63425 (2)
Related to aircraft:
Patent agent:
None (263) · Armengaud jeune (6) · Duvinage (6) · J. Gevers (5) · A. Wunderlich & Cie, Ingénieurs-Conseils (4) · G. de Mestral et F. Harlé (4) · Boult, Wade & Tennant (4) · E. Blum & Co. (3)
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National tech categories:
HU V/h (115) · None (73) · BE K (47) · AT 77d (44) · FR 6.4 (29) · FR 6.3 (14) · DK 77 (11) · CH 129b (10) · IT 8 (3) · AT 37c (3) · DE 77h (2) · RU Group V (2) · FR 5 (2) · CH 129c (2) · AU 90.3 (2)
CPCs: (Click arrow to add another value)
First filing:
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