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Patents > Office : CA or DE or DK or IN or NO or US & Inventor country : AT or Brazil or None

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Office: (Click arrow to add another value)
Inventor country: (Click arrow to add another value)
Applicant person:
None (1028) · HELIX PROPELLER GES M (7) · Harris G Hooper (5) · MERCUR FLUGZEUGBAU (5) · KAWNEER (4) · MIX MELVILLE W (4) · HEWLETT PACKARD (3) · Hugo Hückel (3) · Jacob Knappich (3) · Raimund Nimfuehr (3)
Applicant is inventor:
Tech fields:
None (1139) · propulsion (31) · LTA (26) · airplane (22) · propeller (17) · frame (13) · balloon (12) · stability (11) · navigation (11) · wings (11) · subsystem (9) · design (9) · marine (8) · propellers (8) · Flapping (7) · parachute (7) · control (6) · aerodynamics (6) · engine (6) · safety (6)
Full specification filed date:
Application number:
None (1064)
Granted:
Related to aircraft:
National tech categories:
None (972) · USPC 244/147 (19) · USPC 244/139 (18) · DE 77 (16) · USPC 244/142 (16) · DE 77h.5 (15) · USPC 244/153R (13) · USPC 244/149 (9) · USPC 244/53A (9) · DE 77h (7) · USPC 244/144 (7) · USPC 244/119 (6) · USPC 244/3.1 (6) · USPC 244/65 (5) · USPC 244/138R (5) · USPC 244/3.14 (4) · DE 77h.9 (4) · USPC 244/143 (4) · USPC 244/3.23 (4)
IPCs:
None (1237) · IPC B64C39/00 (5) · IPC B64C11/00 (4) · IPC B64C3/00 (4) · IPC B64C17/00 (3) · IPC B64B1/00 (3) · IPC B64C33/02 (3) · IPC B64C33/00 (2) · IPC B64C35/00 (2) · IPC B64C3/14 (2) · IPC B64C1/00 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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