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Patents > National tech categories : DE 77h.6 or IT 8 or USPC 244/81

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Office:
Inventors:
None (22) · Christian Lorenzen (7) · Jakob Haw (7) · Achille Bertelli (4) · Federico Capone (4) · Hellmuth Hirth (4) · Ugo Antoni (3) · Antoine-Padoue Filippi (3) · Guido Antoni (3)
Applicant person:
None (135) · Jakob Haw (5) · Paul Frederik Degn (2) · Guido Antoni (2) · Joseph Hofmann (2) · Lucien Chauvière (2) · Hellmuth Hirth (2) · Christian Lorenzen (2) · Hans Reissner (2) · Ugo Antoni (2) · Adolphe Clément-Bayard (2)
Applicant is inventor:
Tech fields:
propeller (66) · airplane (64) · propulsion (43) · LTA (31) · navigation (29) · stability (22) · marine (21) · None (18) · frame (17) · balloon (14) · design (13) · wings (13) · whole (12) · Propellers (12) · helicopter (9) · subsystem (8) · airfoil (8) · parachute (7) · dirigible (7) · safety (6)
Full specification filed date:
Granted:
Supplementary to patent:
None (152) · Patent SE-1906-23283 (3) · Patent FR-1902-326727 (3) · Patent DE-1917-305040 (2) · Patent IT-1902-65889 (2) · Patent FR-1908-405961 (2)
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Cites these patents:
Citations from after 1930:
Number of text pages:
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