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Patents > Tech fields : helicopter or wings & Number of claims: 6-50000000

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Office:
Inventors:
None (5) · Charles Arthur Wragg (5) · Edmund Sparmann (4) · John Washington Wilson (4) · Franz Xaver Wels (3) · Didier Rouilly (3) · Maurice Léger (3) · Matthew Arlington Batson (3) · Ruter William Springer (3) · Sam Leonard Walkden (3) · Martin Diederich Rucker (3) · Arthur Henry Edwards (3) · René Hanriot (3) · Franz Wondra (3) · Alphonse Papin (3) · Thomas Augustus Dring (3) · Hermann Hassenbach (3) · Glenn Hammond Curtiss (3) · Henri-Hubert Pagny (3)
Inventor country:
Applicant person:
None (26) · Charles Arthur Wragg (5) · Edmund Sparmann (4) · John Washington Wilson (4) · Franz Wondra (3) · Didier Rouilly (3) · Ruter William Springer (3) · Sam Leonard Walkden (3) · Maurice Léger (3) · Arthur Henry Edwards (3) · Matthew Arlington Batson (3) · Martin Diederich Rucker (3) · Franz Xaver Wels (3) · Alphonse Papin (3) · Hermann Hassenbach (3) · Henri-Hubert Pagny (3) · René Hanriot (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (55)
Granted:
Supplementary to patent:
None (149) · Patent AU-1914-14892 (4) · Patent FR-1911-440594 (3) · Patent GB-1908-4519 (3) · Patent US-1909-970771 (3) · Patent GB-1909-12556 (3) · Patent AT-1912-75092 (3) · Patent HU-1901-22471 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent GB-1909-8531 (2) · Patent GB-1910-6051 (2) · Patent AT-1912-63049 (2) · Patent US-1904-876125 (2) · Patent US-1916-1208684 (2) · Patent FR-1911-438355 (2)
Related to aircraft:
Patent agent:
None (61) · Armengaud jeune (7) · Marks & Clerk (6) · None (6) · E. Blétry (5) · John P. Tarbox (4) · Munn & Co. (4) · C. Baumann (3) · Brewer & Son (3) · Charles Dony (3) · Hippolyte Josse (3)
National tech categories:
None (74) · FR 6.4 (52) · HU V/h (12) · AT 77d (8) · CH 129b (5) · AU 90.3 (5) · USPC 244/6 (4) · USPC 244/104R (3) · USPC 244/45R (3) · FR 6.3 (3) · USPC 244/80 (3) · AU 90.5 (3)
CPCs:
None (57) · CPC B64C17/00 (13) · CPC B64C3/00 (12) · CPC B64C23/005 (12) · CPC B64C39/00 (9) · CPC B64C2700/6233 (8) · CPC B64C2700/6295 (7) · CPC B64C33/02 (7) · CPC B64C33/00 (7) · CPC B64C13/00 (6) · CPC B64C27/04 (6) · CPC B64C39/005 (5) · CPC B64C3/56 (5) · CPC B64C2700/6281 (4) · CPC B64C3/385 (4) · CPC B64C21/02 (4) · CPC B64C13/24 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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