Drilldown: Patents

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Patents > Office : DE or DK or UN & Inventor country: DE & Applicant person : Everard Richard Calthrop or None & National tech categories : DE 77 or DE 77h.6 or None

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Office: (Click arrow to add another value)
Inventors:
None (15) · Christian Lorenzen (5) · Gustav Koch (2) · Otto Lilienthal (2) · Albert Graff (2) · Jakob Haw (2) · Richard Wilcke (2) · Hellmuth Hirth (2) · Hermann Ganswindt (2) · Hermann Israel (2)
Inventor country: (Click arrow to add another value)
Applicant person: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
propeller (30) · LTA (28) · None (19) · propulsion (18) · navigation (17) · balloon (16) · car (10) · frame (9) · airplane (6) · stability (6) · subsystem (5) · captive (5) · gas (4)
Full specification filed date:
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Related to aircraft:
Patent agent:
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National tech categories: (Click arrow to add another value)
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Citations from after 1930:
Number of text pages:
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Number of diagram pages:

Showing below up to 94 results in range #1 to #94.

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