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Patents > National tech categories : DE 77 or USPC 244/22 or USPC 244/3.23

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Office:
Applicant person:
None (91) · Georg Fischer (3) · Ernst Georg August Baumgarten (3) · Carl Alfred Johansson (3) · F. Gaebert (3) · Frank M. Ashley (2) · Julius Uherkovich de Uherkócz (2) · Carl Friedrich Billwiller (2) · Carl Georg Rodeck (2) · Federico Capone (2) · Ferdinand von Zeppelin (2) · Bartholomew Connolly (2) · Richard Czygan (2) · Charles Spear (2) · Raphael Ernst May (2) · MATSON Charles I (2) · Otto Schmidt (2) · George E. Wells (2) · Frederick William Brearey (2) · Henry Shepley Booth (2)
Applicant type:
Applicant is inventor:
Tech fields:
LTA (86) · propulsion (57) · projectile (55) · military (54) · navigation (43) · frame (39) · None (37) · balloon (32) · flapping (31) · propeller (29) · ornithopter (26) · car (23) · stability (19) · airship (18) · airplane (13) · marine (13) · rudder (13) · control (12) · parachute (11) · hybrid (11)
Full specification filed date:
Application number:
None (221)
Granted:
Supplementary to patent:
None (258) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
Related to aircraft:
Patent agent:
None (240) · Munn & Co. (9) · None (3) · C. A. Snow & Co. (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (177) · IPC B64C33/02 (25) · IPC B64C33/00 (15) · IPC F42B10/00 (13) · IPC B64B1/00 (7) · IPC B64B1/40 (5) · IPC B64C31/06 (5) · IPC B64B1/58 (5) · IPC F42B10/30 (4) · IPC B64C23/00 (4) · IPC B64C39/00 (3) · IPC B64B1/06 (3) · IPC A01H5/02 (2) · IPC B64C27/04 (2) · IPC B64C11/00 (2) · IPC B64B1/62 (2) · IPC F42B10/34 (2)
CPCs:
None (90) · CPC B64C33/02 (82) · CPC F42B10/30 (37) · CPC B64B1/00 (14) · CPC B64B1/40 (9) · CPC B64C33/00 (9) · CPC B64C23/005 (5) · CPC A63H27/08 (4) · CPC B64B1/58 (4) · CPC B64C2700/6273 (4) · CPC B64B1/30 (3) · CPC B64C27/54 (2) · CPC B64C31/06 (2) · CPC B64C27/82 (2) · CPC F42B10/16 (2) · CPC B64C27/00 (2) · CPC F42B10/34 (2) · CPC B64B1/62 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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