Drilldown: Patents

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Patents > National tech categories : DE 77h.6 or FR 5 or FR 6.8

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Office:
Inventors:
None (20) · Jakob Haw (7) · Christian Lorenzen (7) · Louis-Constant-Célestin Magois (5) · Anacharsis Menier (4) · Hellmuth Hirth (4) · Louis Renault (3)
Inventor country:
Applicant person:
None (127) · Jakob Haw (5) · Louis Renault (3) · Édouard Vedovelli (2) · Hellmuth Hirth (2) · Hans Reissner (2) · Baron de Rovérié de Cabrières‎ (2) · Paul Frederik Degn (2) · Joseph Hofmann (2) · Jean-Baptiste Guilbert (2) · Lucien Chauvière (2) · Modeste-Abel Latouche (2) · Christian Lorenzen (2) · Meller (the younger) (2)
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IPCs:
None (154) · IPC B64C11/16 (9) · IPC B64C11/34 (5) · IPC B64C11/20 (4) · IPC B64C11/00 (4) · IPC B64C11/04 (4) · IPC B64C27/04 (3) · IPC B64C11/36 (3) · IPC B64C11/06 (3) · IPC B64C11/32 (2) · IPC B64C11/30 (2) · IPC B64C11/24 (2)
CPCs:
None (144) · CPC B64C11/04 (8) · CPC B64C11/20 (6) · CPC B64C11/00 (5) · CPC B64C11/006 (4) · CPC B64C11/36 (4) · CPC B64C11/24 (3) · CPC B64C2700/6281 (3) · CPC B64C11/16 (3) · CPC B64C27/20 (3) · CPC B64C11/22 (2) · CPC B64C11/205 (2) · CPC B21D53/78 (2) · CPC B64C11/346 (2)
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Citations from after 1930:
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