Drilldown: Patents

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Patents > Tech fields: aerodynamics & Number of claims: 2-4

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Office:
Inventors:
None (11) · Louis Constantin (9) · Robert Esnault-Pelterie (8) · Jan Jaakson (6) · Henri-Marie Coandă (4) · Pierre Levasseur (3) · Detlev Zickler (3) · Franz Xaver Wels (3) · Christian Magnus Gyde Jensen (3) · Alphonse Papin (3) · Ignaz Etrich (3) · Joseph Cousin (3)
Inventor country:
Applicant person:
None (17) · Robert Esnault-Pelterie (8) · Louis Constantin (7) · Jan Jaakson (6) · Henri-Marie Coandă (4) · Franz Xaver Wels (3) · Pierre Levasseur (3) · Detlev Zickler (3) · Ignaz Etrich (3) · Christian Magnus Gyde Jensen (3) · Joseph Cousin (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (57)
Granted:
Supplementary to patent:
None (116) · Patent GB-1911-12232 (5) · Patent ES-1911-50083 (5) · Patent CH-1912-62201 (4) · Patent DK-1908-11943 (2) · Patent FR-1905-353709 (2) · Patent FR-1911-431862 (2) · Patent FR-1909-408872 (2) · Patent GB-1911-5162 (2) · Patent AT-1909-IE (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent FR-1910-435648 (2) · Patent FR-1909-403418 (2) · Patent AT-1912-75092 (2)
Related to aircraft:
Patent agent:
None (70) · Armengaud jeune (26) · None (7) · E. Blétry (6) · Lavoix et Mosès (5) · Charles Dony (4) · L. Chassevent (4) · Haseltine, Lake & Co. (4) · Abel & Imray (4) · Noël et Pellegrini (3) · Dupont et Elluin (3) · W. P. Thompson & Co. (3)
National tech categories:
FR 6.4 (83) · None (43) · HU V/h (28) · AT 77d (12) · DE 77h.5 (4) · DK 77 (3) · FR 6.2 (3) · USPC 244/130 (2) · USPC 244/35R (2) · USPC 244/200 (2) · AU 90.3 (2)
IPCs:
None (78) · IPC B64C1/00 (23) · IPC B64C39/00 (18) · IPC B64C17/00 (14) · IPC B64C11/00 (8) · IPC B64C35/00 (6) · IPC B64C3/38 (6) · IPC B64C3/54 (5) · IPC B64C3/48 (4) · IPC B64C23/00 (4) · IPC B64C39/10 (3) · IPC B64C3/52 (3) · IPC B64C3/14 (3) · IPC B64C13/00 (3)
CPCs:
None (63) · CPC B64C17/00 (15) · CPC B64C39/00 (15) · CPC B64C2700/6295 (14) · CPC B64C2700/6218 (9) · CPC B64C1/00 (7) · CPC B64C13/00 (6) · CPC B64C3/385 (6) · CPC B64C11/006 (5) · CPC B64C2700/6228 (5) · CPC B64C35/00 (5) · CPC B64C23/005 (4) · CPC B64C11/00 (4) · CPC B64C3/14 (4) · CPC B64C3/54 (4) · CPC B64C3/48 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
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