Drilldown: Patents

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Patents > Tech fields : flywheel or wings & Publication date: 1900 - 1999

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None (480) · Seine (12) · Budapest (12) · Vaucluse (4) · Eure-et-Loir (4) · Orne (3) · Morbihan (3) · Lorient (3) · Seine-et-Oise (3) · Paris (3) · Eure (2) · Hérault (2) · Parkmount, Banbridge (2) · Meurthe-et-Moselle (2) · Manche (2) · Banbridge (2) · Beslon par Villedieu (2) · Billancourt (2) · County Down (2)
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Supplementary to patent:
None (301) · Patent FR-1907-373818 (7) · Patent GB-1911-12232 (7) · Patent US-1909-970771 (7) · Patent FR-1908-392672 (7) · Patent GB-1908-4519 (4) · Patent FR-1908-407090 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent SE-1906-25199 (4) · Patent SE-1906-23283 (4) · Patent CH-1912-62201 (3) · Patent GB-1911-29012 (3) · Patent AT-1907-37570 (3) · Patent FR-1909-403985 (3) · Patent FR-1911-429224 (3) · Patent US-1913-04-21 George Raymond Lawrence (3)
Related to aircraft:
Patent agent:
None (203) · Armengaud jeune (68) · None (20) · G. de Mestral et F. Harlé (16) · Weismann et Marx (13) · E. Blétry (13) · Hippolyte Josse (12) · J. Bonnet-Thirion (10) · L. Chassevent (10) · Brandon frères (7) · C. Blétry (7) · Louis Tailfer (6) · Charles Dony (6) · Dupont et Elluin (5) · P. Follin (5) · J. Germain (5)
Assigned to:
IPCs:
None (144) · IPC B64C39/00 (51) · IPC B64C1/00 (39) · IPC B64C17/00 (38) · IPC B64C3/00 (30) · IPC B64C33/02 (24) · IPC B64C3/38 (23) · IPC B64C3/56 (19) · IPC B64C3/52 (18) · IPC B64C3/54 (18) · IPC B64C23/00 (13) · IPC B64C13/00 (12) · IPC B64C11/00 (11) · IPC B64C3/48 (11) · IPC B64C3/14 (8) · IPC B64C33/00 (8) · IPC B64C35/00 (7)
CPCs:
None (139) · CPC B64C17/00 (39) · CPC B64C39/00 (36) · CPC B64C3/00 (31) · CPC B64C2700/6295 (25) · CPC B64C33/02 (25) · CPC B64C3/52 (20) · CPC B64C3/56 (19) · CPC B64C3/385 (18) · CPC B64C2700/6233 (17) · CPC B64C2700/6218 (16) · CPC B64C3/54 (15) · CPC B64C13/00 (13) · CPC B64C33/00 (12) · CPC B64C23/005 (12) · CPC B64C3/48 (11) · CPC Y02T50/166 (10) · CPC B64C11/006 (9)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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