Drilldown: Patents

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Patents > Tech fields : subsystem or None & Filing date: 1913

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Supplementary to patent:
None (355) · Patent BE-1912-02-07-Gramaticesco (3) · Patent BE-1912-08-13-Panian (3) · Patent BE-1912-04-05 (2) · Patent US-1912-1080531 (2) · Patent US-1912-1077892 (2) · Patent US-1912-1062545 (2)
Related to aircraft:
Patent agent:
None (311) · None (5) · Weismann et Marx (4) · Rigot et Prévost (3) · Charles Dony (2) · L. Chassevent (2) · Émile Bert (2) · E. Blétry (2) · H. Boettcher fils (2) · J. S. Withers & Spooner (2) · J. Bonnet-Thirion (2) · Hyde & Heide (2) · Joshua R. H. Potts (2)
National tech categories:
None (250) · FR 6.4 (36) · USPC 244/90R (6) · USPC 244/119 (5) · USPC 244/233 (5) · USPC 244/101 (4) · USPC 244/45R (4) · AT 77d (4) · NL 62 (3) · USPC 244/47 (3) · USPC 244/93 (3) · USPC 244/139 (3)
IPCs:
None (318) · IPC B64C3/38 (12) · IPC B64C17/00 (11) · IPC B64C1/00 (9) · IPC B64C39/00 (9) · IPC B64C35/00 (7) · IPC B64C33/02 (4) · IPC B64C39/06 (3) · IPC B64C3/54 (3) · IPC B64C3/56 (2) · IPC B64C3/00 (2) · IPC B64C13/00 (2) · IPC B64B1/00 (2)
CPCs:
CPC B64C17/00 (51) · CPC B64C2700/6295 (46) · CPC B64C39/00 (33) · CPC B64C35/00 (33) · None (24) · CPC B64C2700/6218 (21) · CPC B64C3/385 (20) · CPC B64B1/00 (19) · CPC B64C13/00 (14) · CPC B64F2700/6261 (13) · CPC B64C3/00 (10) · CPC B64C3/56 (9) · CPC B64C2700/6219 (8) · CPC B64C23/005 (8) · CPC B64C33/00 (7) · CPC B64C33/02 (6)
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