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Patents > National tech categories : AT 77d or USPC 244/109 or USPC 244/90R

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Office:
Applicant person:
None (129) · Reinhold Richter (9) · Heinrich Bier (4) · Alfred E. Wunderlich (3) · Adalbert Plaček (3) · Ludwig Schmidl (3)
Applicant is inventor:
Tech fields:
airplane (137) · frame (90) · None (70) · LTA (55) · stability (52) · design (48) · Wings (44) · Construction (41) · propulsion (35) · navigation (33) · subsystem (32) · propellers (28) · Aerodynamics (27) · propeller (26) · control (25) · wheels (24) · whole (23) · airship (21) · flapping (20) · airfoil (19)
Full specification filed date:
Application number:
None (245)
Granted:
Publication date:
Supplementary to patent:
None (241) · Patent DE-1908-221549 (2) · Patent AT-1912-64662 (2) · Patent DE-1912-08-27 AGO Flugzeugwerke G. m. b. H. (2) · Patent IT-1910-10-17 Carlo Navaro (2)
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (301) · IPC B64C3/00 (5) · IPC B64C3/38 (4) · IPC B64C13/00 (3) · IPC B64C2700/6295 (2)
CPCs:
None (258) · CPC B64C13/00 (33) · CPC B64C3/385 (9) · CPC B64C2700/6295 (8) · CPC B64C13/24 (6) · CPC B64C17/00 (6) · CPC Y10S244/904 (3) · CPC B64C3/14 (3) · CPC Y02T50/145 (2) · CPC Y02T50/10 (2) · CPC B64C3/54 (2) · CPC B64C35/00 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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