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Patents > National tech categories : DE 77 or USPC 244/3.23 or USPC 244/80

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Office:
Applicant person:
None (89) · Carl Alfred Johansson (4) · Ernst Georg August Baumgarten (3) · Georg Fischer (3) · F. Gaebert (3) · James Means (2) · George E. Wells (2) · John P. Tarbox (2) · Frank M. Ashley (2) · Ferdinand von Zeppelin (2) · Federico Capone (2) · Augustus F. W. Macmanus (2) · Michael Angelo Parisano (2) · Raphael Ernst May (2) · Richard Czygan (2) · Charles Spear (2) · Carl Georg Rodeck (2) · Carl Friedrich Billwiller (2) · Otto Schmidt (2)
Applicant is inventor:
Tech fields:
LTA (89) · projectile (55) · military (53) · stability (50) · propulsion (43) · None (40) · navigation (40) · balloon (31) · frame (27) · propeller (25) · car (21) · airplane (21) · control (19) · airship (16) · automatic stability (14) · steering (11) · marine (10) · dirigible (10)
Full specification filed date:
Application number:
None (227)
Granted:
Supplementary to patent:
None (272) · Patent NO-1915-12-15 Carl Alfred Johansson (3)
Related to aircraft:
Patent agent:
None (230) · Victor J. Evans (8) · Munn & Co. (7) · Knight & Co. (2) · None (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (200) · IPC F42B10/00 (13) · IPC B64C33/02 (12) · IPC B64C17/00 (11) · IPC B64B1/00 (7) · IPC B64B1/58 (5) · IPC B64B1/40 (5) · IPC B64C31/06 (5) · IPC F42B10/30 (4) · IPC B64C23/00 (4) · IPC B64B1/06 (3) · IPC B64C39/00 (3) · IPC B64C30/00 (2) · IPC CPC B64C13/00 (2) · IPC B64C27/04 (2) · IPC B64C13/24 (2) · IPC B64C11/00 (2) · IPC B64B1/62 (2) · IPC A01H5/02 (2) · IPC F42B10/34 (2)
CPCs:
None (94) · CPC B64C17/00 (60) · CPC F42B10/30 (37) · CPC B64B1/00 (14) · CPC B64C33/02 (14) · CPC B64C23/005 (12) · CPC B64B1/40 (9) · CPC B64C13/00 (6) · CPC B64C2700/6273 (4) · CPC B64C33/00 (4) · CPC A63H27/08 (4) · CPC B64B1/58 (4) · CPC B64B1/30 (3) · CPC B64C30/00 (3) · CPC B64C13/24 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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