Drilldown: Patents

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Patents > Office : DE or US & Tech fields : balloon or construction & Number of claims: 2-4

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Office: (Click arrow to add another value)
Inventors:
None (15) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (3) · Pierre-Jean-René Postel-Vinay (3) · Joseph Allison Steinmetz (3) · Franz Xaver Wels (2) · Walter Ernst Verclaire (2) · Rumpler-Werke A.-G. in Berlin-Johannisthal (2) · Paul Petres (2) · Louis-Étienne Roze (2) · Ignaz Etrich (2) · Hellmuth Hirth (2)
Inventor country:
Applicant person:
None (39) · Joseph Allison Steinmetz (3) · Pierre-Jean-René Postel-Vinay (3) · Paul Petres (2) · Franz Xaver Wels (2) · Hellmuth Hirth (2) · Walter Ernst Verclaire (2) · Ignaz Etrich (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (52)
Granted:
Related to aircraft:
National tech categories:
None (19) · DE 77h.5 (15) · DE 77h.4 (8) · USPC 244/30 (6) · USPC 244/97 (5) · DE 77 (4) · USPC 244/35R (3) · USPC 244/99 (3) · USPC 244/127 (3) · USPC 244/73R (3) · DE 77h (3)
CPCs:
CPC B64B1/00 (16) · CPC B64B1/40 (12) · None (11) · CPC B64C3/00 (11) · CPC B64B1/58 (7) · CPC B64C2700/6235 (6) · CPC B64C23/005 (3) · CPC B64C39/08 (3) · CPC B64C3/14 (3) · CPC B64C3/18 (3) · CPC B64B1/64 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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