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Patents > Tech fields : Flapping or aerodynamics & Number of diagram pages: 2-4

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Office:
Inventors:
Thomas Augustus Dring (4) · None (3) · Julius Uherkovich de Uherkócz (3) · Nicolas de Benois (3) · Franz Xaver Wels (3) · Ludwig Schmidl (3) · Ruter William Springer (3) · Carlo Navaro (3) · Henry Mesinger (3) · Isaac Bell (3)
Inventor country:
Applicant person:
None (30) · Julius Uherkovich de Uherkócz (3) · Ludwig Schmidl (3) · Ruter William Springer (3) · Henry Mesinger (3) · Franz Xaver Wels (3) · Isaac Bell (3) · Carlo Navaro (3) · Nicolas de Benois (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 (140) · Patent GB-1911-5162 (3) · Patent US-1909-1137533 (2) · Patent FR-1909-404954 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent IT-1911-06-09 Carlo Navaro (2) · Patent RU-1897-3845 (2) · Patent DE-1907-217533 (2) · Patent GB-1909-12556 (2) · Patent US-1909-940701 (2) · Patent AT-1912-75092 (2) · Patent US-1916-1208684 (2) · Patent AT-1912-63049 (2)
Related to aircraft:
Patent agent:
None (46) · Munn & Co. (10) · Marks & Clerk (4) · L. Chassevent (3) · Boult, Wade & Tennant (3) · H. C. Everett Co. (3)
National tech categories:
None (53) · USPC 244/22 (25) · FR 6.4 (24) · USPC 244/28 (14) · HU V/h (13) · USPC 244/72 (9) · USPC 244/64 (7) · USPC 244/35R (4) · DE 77 (4) · USPC 244/27 (3) · USPC 244/11 (3) · GB 4 propel & steer (3) · USPC 244/200 (3)
CPCs:
CPC B64C33/02 (51) · None (36) · CPC B64B1/00 (21) · CPC B64C33/00 (13) · CPC B64C17/00 (10) · CPC B64C39/005 (8) · CPC B64C13/00 (7) · CPC B64C31/04 (5) · CPC B64C3/14 (5) · CPC B64C2700/6295 (4) · CPC B64C2700/6214 (3) · CPC B64C11/006 (3) · CPC B64C39/00 (3) · CPC B64C39/008 (3) · CPC B64C23/005 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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