Drilldown: Patents

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Patents > Tech fields : fan or safety & Number of figures: 1-3

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Office:
Inventors:
None (10) · Nazaire Lacrotte (8) · James Means (4) · Absalom Calhoun Ulmer (3) · Joseph Allison Steinmetz (3) · Alfred-Eugène Pichou (3) · Leonardo Torres Quevedo (3) · Charles Wolf (3) · Friedrich von Ehrenberg (3) · Louis Capazza (2) · Caspar Braun (2) · Johannes Schilling (2) · Francesco Filiasi (2) · Augusto Mattani (2) · Reinhold Richter (2) · Ralph Hazlett Upson (2)
Inventor country:
Applicant person:
None (32) · Nazaire Lacrotte (8) · Friedrich von Ehrenberg (3) · Absalom Calhoun Ulmer (3) · Alfred-Eugène Pichou (3) · Joseph Allison Steinmetz (3) · Charles Wolf (3) · Francesco Filiasi (2) · James Means (2) · Augusto Mattani (2) · Leonardo Torres Quevedo (2)
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (62)
Granted:
Supplementary to patent:
None (62) · Patent CH-1909-48028 (3) · Patent US-1908-935766 (3) · Patent IT-1909-11-20 Francesco Filiasi (2) · Patent FR-1908-407090 (2) · Gebrauchsmuster DE-1908-359884 (2) · Patent FR-1891-215265 (2) · Patent FR-1902-326476 (2) · Patent US-1910-982907 (2) · Patent BE-1911-02-02 Leonardo Torres Quevedo (2) · Gebrauchsmuster DE-1908-359885 (2) · Gebrauchsmuster DE-1908-359886 (2)
Related to aircraft:
Patent agent:
None (44) · H. Bœttcher fils (3) · G. de Mestral et F. Harlé (3) · Edward Evans & Co. (2) · Wheatley & Mackenzie (2) · Société J.P. Bonnicart et Cie. (2) · Munn & Co. (2) · Marks & Clerk (2) · Louis Tailfer (2) · Lavoix et Mosès (2) · J. Germain (2) · Herbert Haddan & Co. (2) · C. Baumann (2) · Armengaud jeune (2) · Carl Tewes (2)
National tech categories:
FR 6.4 (34) · None (22) · FR 6.3 (4) · DE 77h.15 (3) · HU V/h (3) · AT 77d (2) · USPC 244/138R (2) · USPC 244/97 (2) · FR 10.1 (2) · USPC 244/30 (2) · USPC 244/52 (2) · DE 77h.5 (2)
IPCs:
None (34) · IPC B64D17/00 (8) · IPC B64B1/00 (8) · IPC B64C39/00 (6) · IPC B64C1/00 (3) · IPC A41D31/00 (3) · IPC B64C5/04 (3) · IPC B64C35/00 (3) · IPC B64C17/00 (3) · IPC B64F1/14 (2) · IPC B64D25/04 (2) · IPC B64D17/54 (2) · IPC B64C13/00 (2) · IPC B64C23/00 (2) · IPC B64B1/40 (2) · IPC A41D13/015 (2)
CPCs:
None (23) · CPC B64D17/00 (7) · CPC B64B1/00 (5) · CPC B64C17/00 (4) · CPC B64B1/62 (4) · CPC B64B1/40 (4) · CPC B64C39/00 (3) · CPC B64C39/005 (3) · CPC B64C13/00 (3) · CPC B64C35/00 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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