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Patents > National tech categories : AT 77d or DE 77 or USPC 33/390

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Office:
Applicant person:
None (165) · Reinhold Richter (8) · Ernst Georg August Baumgarten (6) · Heinrich Bier (4) · F. Gaebert (3) · Alfred E. Wunderlich (3) · Carl Alfred Johansson (3) · Ludwig Schmidl (3) · Adalbert Placek (3)
Applicant is inventor:
Tech fields:
LTA (138) · airplane (111) · frame (92) · propulsion (71) · design (49) · balloon (47) · navigation (46) · Wings (43) · propeller (42) · stability (42) · construction (38) · Subsystem (34) · Airship (33) · control (30) · car (29) · Propellers (28) · Flapping (27) · aerodynamics (24) · whole (23) · wheels (21)
Full specification filed date:
Granted:
Supplementary to patent:
None (282) · Patent DE-1912-08-27 AGO Flugzeugwerke G. m. b. H. (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent AT-1912-64662 (2) · Patent DE-1908-221549 (2)
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (308) · IPC B64C33/02 (13) · IPC B64B1/00 (11) · IPC B64B1/58 (9) · IPC B64B1/40 (5) · IPC B64C39/00 (4) · IPC B64C31/06 (4) · IPC B64C23/00 (4) · IPC B64B1/06 (3) · IPC B64C11/00 (3) · IPC B64C11/16 (2) · IPC B64B1/62 (2) · IPC B64C13/00 (2) · IPC B64B1/50 (2) · IPC B64C3/38 (2) · IPC B64B1/30 (2) · IPC B64C27/04 (2) · IPC B64B1/22 (2) · IPC B64C3/00 (2)
CPCs:
None (320) · CPC B64B1/00 (18) · CPC B64C33/02 (13) · CPC B64B1/40 (9) · CPC B64B1/58 (8) · CPC B64C23/005 (5) · CPC B64B1/30 (4) · CPC B64C33/00 (4) · CPC B64C2700/6273 (4) · CPC A63H27/08 (3) · CPC B64B1/62 (2) · CPC B64C11/00 (2) · CPC B64C31/06 (2) · CPC B64C27/00 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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