Drilldown: Patents

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Patents > First filing: No & Number of text pages: 3-4 & Number of figures: 10-20

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Office:
Inventors:
None (7) · Philippe Delbert (4) · Maurice Léger (3)
Inventor country:
Applicant person:
None (21) · Maurice Léger (3) · Philippe Delbert (3)
Applicant is inventor:
Tech fields:
airplane (63) · frame (37) · stability (35) · design (28) · LTA (28) · Propulsion (27) · wings (22) · Construction (21) · navigation (21) · propellers (18) · control (16) · propeller (16) · None (13) · Helicopter (10) · aerodynamics (10) · lift (10) · airship (9) · automatic stability (9) · Safety (9) · wheels (9)
Full specification filed date:
Application number:
None (49)
Granted:
Supplementary to patent:
None (50) · Patent FR-1902-328044 (3) · Patent HU-1901-22471 (3) · Patent GB-1911-19976 (2) · Patent GB-1913-16499 (2) · Patent DE-1910-243485 (2) · Patent DE-1895-98580 (2) · Patent GB-1908-4519 (2) · Patent FR-1909-403985 (2) · Patent GB-1910-6388 (2) · Patent AU-1914-14892 (2) · Patent FR-1913-466195 (2) · Patent US-1911-1028409 (2) · Patent AT-1913-79244 (2) · Patent AU-1911-510 (2)
Related to aircraft:
Patent agent:
None (42) · Armengaud jeune (11) · Marks & Clerk (5) · L. Chassevent (4) · None (3) · Lavoix et Mosès (3) · H. Bœttcher fils (3) · Schwab (2) · Joseph Gillot (2) · Ch. Mardelet (2) · Hippolyte Josse (2) · H. Kirchhofer (2) · G. Petiau (2) · E. Blètry (2) · Dupont et Elluin (2) · Charles Dony (2) · Charles Assi (2) · Wheatley & Mackenzie (2) · A. de Carsalade (2)
National tech categories:
FR 6.4 (62) · None (25) · HU V/h (9) · DE 77 (7) · AT 77d (5) · RU Group V (5) · FR 6.2 (4) · FR 6.3 (4) · USPC 244/22 (3) · DK 77 (2) · CH 129b (2) · USPC 244/93 (2)
IPCs:
None (54) · IPC B64C17/00 (11) · IPC B64C1/00 (9) · IPC B64C39/00 (8) · IPC B64C33/02 (8) · IPC B64B1/00 (7) · IPC B64C3/00 (7) · IPC B64C23/00 (6) · IPC B64C35/00 (5) · IPC B64C3/18 (4) · IPC B64C3/56 (3) · IPC B64C13/00 (3) · IPC B64D27/00 (2) · IPC B64C3/14 (2) · IPC B64C25/00 (2) · IPC F42B10/50 (2) · IPC B64C1/26 (2) · IPC B64C13/12 (2)
CPCs:
None (40) · CPC B64C17/00 (11) · CPC B64B1/00 (9) · CPC B64C33/02 (9) · CPC B64C23/005 (7) · CPC B64C3/00 (6) · CPC B64C35/00 (5) · CPC B64C3/18 (4) · CPC B64C13/00 (4) · CPC B64C2700/6212 (3) · CPC B64C39/00 (3) · CPC B64C2700/6295 (3) · CPC B64C2700/6233 (3) · CPC B64C3/56 (3) · CPC B64C33/00 (3)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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