Drilldown: Patents

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Patents > Tech fields : Airship or propulsion & Family year: 1800 - 1899 & Number of text pages: 1-2

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Inventors:
Rudolf Krocker (5) · Stewart Cairncross (2) · Oscar Roeper (2) · Ernst Georg August Baumgarten (2) · Richard Czygan (2) · Martin Braun (2) · Gustav Koch (2) · Georg Wellner (2)
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Applicant person:
None (24) · Rudolf Krocker (4) · Ernst Georg August Baumgarten (2) · Martin Braun (2) · Richard Czygan (2) · Oscar Roeper (2)
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National tech categories:
DE 77 (30) · None (8) · USPC 244/73R (5) · DE 77h (5) · USPC 244/30 (5) · USPC 244/26 (4) · HU V/h (4) · USPC 244/70 (2) · USPC 180/220 (2) · USPC 244/51 (2) · USPC 244/99 (2) · USPC 244/126 (2) · USPC 244/72 (2) · USPC 244/28 (2) · USPC 244/62 (2) · USPC 416/194 (2)
CPCs:
None (27) · CPC B64B1/00 (17) · CPC B64C11/006 (6) · CPC B64C33/02 (5) · CPC B64C11/001 (4) · CPC B64C39/005 (4) · CPC B64C11/00 (3) · CPC B64C33/00 (3) · CPC B64C23/005 (3) · CPC B64B1/58 (2) · CPC B64C9/00 (2) · CPC F01D5/06 (2) · CPC B64B1/50 (2)
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Citations from after 1930:
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