Drilldown: Patents

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Patents > Tech fields: gas & Supplementary to patent: None & Citations from after 1930: None

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Office:
Inventors:
None (10) · Walter Hermann von Mach (4) · Alfred Chiodera (4) · Ralph Hazlett Upson (4) · Karl Bomhard (3) · Arno Boener (3) · Henry Boinet (2) · Johannes Schilling (2) · Reinhold Richter (2)
Inventor country:
Applicant person:
None (60) · Arno Boener (3) · Karl Bomhard (3) · Johannes Schilling (2) · Walter Hermann von Mach (2) · August Riedinger (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
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Granted:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
National tech categories:
None (31) · DE 77h.3 (9) · FR 6.4 (8) · FR 6.3 (6) · DE 77h.4 (6) · DE 77 (5) · DE 77h (5) · AT 77d (5) · USPC 244/97 (4) · GB 4 aërostats (3) · GB 4 propel & steer (3) · GB 4 with buoyant (3) · USPC 244/61 (2) · HU V/h (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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