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Patents > Tech fields : electricity or None & Number of figures: 2-6

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None (642) · Seine (16) · London (8) · Paris (6) · Pennsylvania (5) · Vermont (3) · Birmingham (3) · Chicago (3) · Rhône (3) · Texas (2) · Marseille (2) · Cincinnati (2) · Hamilton county, OH (2) · California (2)
Applicant firm:
None (679) · Curtiss Aeroplane (5) · Blackburn Aeroplane and Motor Co. (4) · Westinghouse Air Spring Company (2) · SPAD (2) · Planes Ltd. (2) · Mercur Flugzeugbau (2) · Geka-Werke Offenbach Dr. Gottlieb Krebs G.m.b.H. (2) · Dornier Metallbauten (2) · Österreichische Daimler Motoren A. G. (2) · Curtiss Aeroplane and Motor Corporation (2) · Connecticut Aircraft Company (2) · Anciens Etablissements L. Chauvière (2)
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Supplementary to patent:
None (603) · Patent US-1911-1032812 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent BE-1910-12-28-Muehter (3) · Patent BE-1909-219377 (3)
Related to aircraft:
National tech categories:
None (273) · FR 6.4 (209) · USPC 244/45R (15) · DE 77h.5 (12) · USPC 244/48 (8) · DE 77 (8) · USPC 244/80 (8) · USPC 244/233 (7) · USPC 244/22 (7) · USPC 244/119 (5) · USPC 244/144 (5) · FR 6.3 (5) · DE 77h.6 (5) · USPC 244/6 (5) · FR 5.3 (5) · USPC 244/90R (5) · AT 77d (5)
IPCs:
None (290) · IPC B64C39/00 (59) · IPC B64C23/00 (45) · IPC B64C17/00 (43) · IPC B64C3/38 (38) · IPC B64C1/00 (36) · IPC B64C3/00 (35) · IPC B64C33/02 (22) · IPC B64C35/00 (18) · IPC B64C13/00 (16) · IPC B64B1/00 (13) · IPC B64C3/54 (10) · IPC B64C33/00 (9) · IPC B64C5/04 (9) · IPC B64C27/04 (7) · IPC B62C5/04 (6) · IPC B64C25/00 (6) · IPC B64C11/00 (6) · IPC B64C3/56 (5) · IPC B64C3/18 (5)
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