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Patents > Tech fields : hydrogen or propeller & First filing: None

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Office:
Inventors:
None (8) · Thomas Augustus Dring (8) · Christian Lorenzen (5) · Jakob Haw (4) · André Gambin (4) · Gustav Mees (3) · Burrell Cannon (3) · Rupert John Isaacson (3) · Armand Dufaux (3) · Spencer Heath (3) · Hermann Ganswindt (3)
Applicant person:
None (154) · Spencer Heath (3) · Gustav Mees (2)
Applicant type:
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Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Related to aircraft:
Patent agent:
None (127) · E. Blum & Co. (3) · E. Imer-Schneider (3) · Henry Hughes (3) · Abel & Imray (3) · Arthur Otto Sachse (2) · Wilhelm Reinhard (2) · 1 (2) · Haseltine, Lake & Co. (2) · Coquillat (2) · Jensen & Son (2) · R. E. P. Craven (2)
National tech categories:
None (46) · DE 77h.6 (18) · GB 4 propel & steer (18) · IT 8 (14) · AT 77d (11) · DE 77 (8) · FR 6.4 (7) · CH 129b (6) · GB 4 with buoyant (6) · DE 77h (6) · AU 90.5 (4) · FR 6.3? (4) · GB 4 without buoyant (4) · GB 4 (4) · CH 115 (3) · GB 4 aërostats (3) · AU 90.3 (3) · FR 6.2 (3)
CPCs:
None (145) · CPC B64C11/006 (5) · CPC B64C2700/6295 (4) · CPC B64C23/005 (3) · CPC B64B1/58 (2) · CPC B64C27/12 (2) · CPC B64C17/00 (2) · CPC B64C11/48 (2)
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Cites these patents:
Citations from after 1930:
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