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Patents > Tech fields: airfoil

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Office:
Inventors:
None (15) · Charles Arthur Wragg (8) · Antoine-Padoue Filippi (7) · Karl Ludwig Waldemar Geest (6) · Paul Zens (5) · Howard de Walden (4) · Oswald François Leopold Keun (4) · Albert Francis Zahm (4) · Josef Deixler (4) · Gustav Lilienthal (4) · Hans Knudsen (4)
Inventor country:
Applicant person:
None (89) · Charles Arthur Wragg (7) · Paul Zens (5) · William John Hastings Beach (4) · Antoine-Padoue Filippi (4) · Karl Ludwig Waldemar Geest (4) · Josef Deixler (3) · Cassius Edward Lamburth (3) · Louis Blériot (3) · Lucien-Constant-Joseph Harel (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (114) · airfoil (2)
Granted:
Supplementary to patent:
None (208) · Patent DE-1907-240268 (4) · Patent AU-1914-14892 (4) · Patent NZ-1909-26981 (3) · Patent GB-1902-24336 (3) · Patent FR-1902-326727 (3) · Patent DE-1913-287314 (3) · Patent US-1918-1589780 (3) · Patent BE-1909-218585 (3)
Related to aircraft:
Patent agent:
None (127) · Munn & Co. (7) · Marks & Clerk (6) · Armengaud jeune (5) · Haseltine, Lake & Co. (5) · Charles Dony (4) · E. Imer-Schneider (3) · Dom. Casalonga (3) · Brandon frères (3) · W. D. Rowlingson (3) · Victor J. Evans (3) · Philip M. Justice (3)
National tech categories:
None (70) · FR 6.4 (37) · AT 77d (14) · DE 77h.5 (10) · USPC 244/45R (10) · IT 8 (8) · USPC 244/35R (8) · FR 6.3 (8) · DE 77h.7 (7) · USPC 244/87 (6) · USPC 244/72 (6) · USPC 244/22 (6) · USPC 244/90R (5) · USPC 244/25 (4) · USPC 244/200 (4) · AU 90.3 (4) · USPC 244/64 (4) · CH 129b (4) · USPC 244/48 (4)
IPCs:
None (170) · IPC B64C3/38 (13) · IPC B64C39/00 (12) · IPC B64B1/00 (8) · IPC B64C3/00 (8) · IPC B64C33/02 (8) · IPC B64C17/00 (7) · IPC B64C3/52 (6) · IPC B64C1/00 (5) · IPC B64C3/56 (4) · IPC B64C3/48 (4) · IPC B64C33/00 (4) · IPC B64C3/14 (4) · IPC B64B1/40 (4) · IPC B64C23/00 (3)
CPCs:
None (85) · CPC B64C2700/6295 (23) · CPC B64C3/14 (16) · CPC B64C33/02 (13) · CPC B64C39/00 (12) · CPC B64C3/385 (11) · CPC B64B1/00 (11) · CPC B64C3/00 (10) · CPC B64C23/005 (9) · CPC B64C17/00 (9) · CPC B64C39/08 (8) · CPC B64C13/00 (7) · CPC B64C3/48 (6) · CPC B64C39/005 (6) · CPC B64C2700/6233 (6) · CPC B64C3/52 (6) · CPC B64C3/56 (5) · CPC B64B1/40 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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