Drilldown: Patents

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Patents > Office: DE & National tech categories: DE 77 & CPCs : CPC E21D15/38 or None

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Office: (Click arrow to add another value)
Inventors:
None (2) · Otto Schmidt (2) · Carl Friedrich Billwiller (2) · Ferdinand von Zeppelin (2) · Henry Boinet (2)
Inventor country:
Applicant person:
None (36) · Carl Friedrich Billwiller (2) · Ferdinand von Zeppelin (2) · Otto Schmidt (2)
Applicant type:
Applicant is inventor:
Tech fields:
LTA (43) · propulsion (17) · navigation (15) · balloon (15) · car (12) · propeller (11) · frame (10) · stability (7) · airship (6) · dirigible (6) · control (6) · captive (6) · marine (5) · gas (4) · electricity (4) · None (4) · rudder (3) · ascension (3)
Full specification filed date:
Application number:
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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:
Number of diagram pages:

Showing below up to 76 results in range #1 to #76.

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