Drilldown: Patents

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Patents > Tech fields: propulsion & IPCs: None & Number of figures: 1-3

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Office:
Inventors:
None (9) · Gustav Knäpper (4) · Rudolf Krocker (4) · Carl Dippel (2) · Johann Schütte (2) · Josef Seiberl (2) · Jakob Haw (2) · Heinrich Mack (2) · Guido Antoni (2) · Georg Wellner (2) · Frederick W. Schroeder (2) · John Edward Thompson (2) · Ferdinand Porsche (2) · Erich von Bernd (2) · Ugo Antoni (2) · Waldemar Porak (2) · Otto Brunner (2) · Wilhelm Kress (2)
Applicant person:
None (42) · Gustav Knäpper (3) · Rudolf Krocker (3) · Waldemar Porak (2) · Jakob Haw (2) · John Edward Thompson (2) · Josef Seiberl (2) · Heinrich Mack (2) · Guido Antoni (2) · Georg Wellner (2) · Ferdinand Porsche (2) · Johann Schütte (2) · Erich von Bernd (2) · Ugo Antoni (2) · Otto Brunner (2) · Wilhelm Kress (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (103)
Granted:
Related to aircraft:
Patent agent:
None (94) · Munn & Co. (5) · None (4) · Victor J. Evans (3) · Abel & Imray (2) · Charles Dony (2) · Charles Assi (2)
National tech categories:
None (34) · HU V/h (21) · AT 77d (14) · DE 77h.6 (5) · USPC 244/73R (5) · USPC 244/6 (4) · GB 4 propel & steer (4) · FR 6.4 (4) · USPC 244/28 (3) · CH 115 (3) · DE 77h (3)
IPCs: (Click arrow to add another value)
CPCs:
None (94) · CPC B64C23/005 (9) · CPC B64B1/00 (9) · CPC B64C11/006 (4) · CPC B64C11/001 (4) · CPC B64C11/00 (3) · CPC B64C2700/6295 (2) · CPC B64C33/02 (2) · CPC B64C2700/6271 (2) · CPC F01D5/06 (2) · CPC Y02E10/72 (2)
First filing:
Citations from after 1930:
Number of diagram pages:
Number of figures:

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