Drilldown: Patents

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Patents > Office : AH or DE or GR & Supplementary to patent: None & National tech categories: DE 77 & CPCs : CPC B64C23/005 or CPC B64C2700/6235 or CPC B64C2700/6295 or None

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Office: (Click arrow to add another value)
Inventors:
None (2) · Otto Schmidt (2) · Henry Boinet (2) · Carl Friedrich Billwiller (2)
Inventor country:
Applicant person:
None (29) · Carl Friedrich Billwiller (2) · Otto Schmidt (2)
Applicant type:
Applicant is inventor:
Tech fields:
LTA (37) · balloon (15) · navigation (14) · propulsion (13) · car (11) · propeller (9) · frame (8) · airship (7) · control (7) · stability (6) · captive (6) · dirigible (5) · electricity (4) · gas (4) · marine (3) · None (3) · rudder (3) · ascension (3) · steering (3)
Full specification filed date:
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Supplementary to patent: (Click arrow to add another value)
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National tech categories: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
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Cites these patents:
Citations from after 1930:
Number of text pages:
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Showing below up to 66 results in range #1 to #66.

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