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Patents > National tech categories : DE 77 or USPC 244/30 or USPC 244/80

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Office:
Applicant person:
None (74) · Carl Alfred Johansson (4) · Albert Livingstone Blackman (3) · Ernst Georg August Baumgarten (3) · F. Gaebert (3) · Georg Fischer (3) · Carl Friedrich Billwiller (2) · Martin Braun (2) · John P. Tarbox (2) · Eugene F. Falconnet (2) · Carl Georg Rodeck (2) · Peter Cooper Hewitt (2) · Federico Capone (2) · Ferdinand von Zeppelin (2) · Richard Czygan (2) · Augustus F. W. Macmanus (2) · Raphael Ernst May (2) · Otto Schmidt (2) · James Means (2) · Michael Angelo Parisano (2)
Applicant is inventor:
Tech fields:
LTA (142) · navigation (61) · propulsion (61) · stability (49) · None (47) · balloon (46) · frame (42) · propeller (38) · car (35) · airplane (24) · control (19) · airship (16) · rudder (15) · automatic stability (14) · dirigible (14) · marine (13) · safety (12) · steering (12) · parachute (11) · kite (10)
Full specification filed date:
Application number:
None (191)
Granted:
Supplementary to patent:
None (272) · Patent NO-1915-12-15 Carl Alfred Johansson (3)
Related to aircraft:
Patent agent:
None (234) · Victor J. Evans (8) · Munn & Co. (6) · Knight & Co. (2) · Edgar Tate & Co. (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (192) · IPC B64B1/00 (45) · IPC B64C33/02 (12) · IPC B64C17/00 (11) · IPC B64C31/06 (5) · IPC B64B1/40 (5) · IPC B64B1/58 (5) · IPC B64C23/00 (4) · IPC B64C39/00 (3) · IPC B64B1/06 (3) · IPC B64C30/00 (2) · IPC B64C27/04 (2) · IPC B64C13/24 (2) · IPC B64B1/02 (2) · IPC CPC B64C13/00 (2) · IPC B64C11/00 (2) · IPC B64B1/62 (2)
CPCs:
None (83) · CPC B64B1/00 (75) · CPC B64C17/00 (60) · CPC B64C33/02 (14) · CPC B64C23/005 (12) · CPC B64B1/40 (10) · CPC B64C13/00 (6) · CPC A63H27/08 (4) · CPC B64C2700/6273 (4) · CPC B64B1/58 (4) · CPC B64C33/00 (4) · CPC B64B1/30 (3) · CPC B64C30/00 (3) · CPC B64C13/24 (3) · CPC B64B1/02 (2) · CPC B64C31/06 (2) · CPC B64C3/385 (2) · CPC B64B1/62 (2) · CPC B64C27/00 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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