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Patents > National tech categories : DE 77h.6 or USPC 200/DIG.19 or USPC 244/45R

Use the filters below to narrow your results.

Office:
Inventors:
None (12) · Jakob Haw (7) · Christian Lorenzen (7) · Hellmuth Hirth (4) · Benjamin Talbot Babbitt Hyde (3) · Andrew Gaul, Jr. (3) · Ralph P. Fox (2) · Paul Frederik Degn (2) · Lucien Chauvière (2) · Joseph Hofmann (2) · William Whitney Christmas (2)
Inventor country:
Applicant person:
None (33) · Jakob Haw (5) · Andrew Gaul, Jr. (3) · Benjamin Talbot Babbitt Hyde (3) · Joseph Hofmann (2) · Hans Reissner (2) · Hellmuth Hirth (2) · Paul Frederik Degn (2) · Lucien Chauvière (2) · Ralph P. Fox (2) · Christian Lorenzen (2)
Applicant is inventor:
Tech fields:
propeller (55) · None (28) · stability (22) · Airplane (21) · propulsion (18) · frame (16) · Propellers (10) · airfoil (10) · subsystem (6) · navigation (6) · safety (6) · whole (6) · automatic stability (5) · wheels (5) · parachute (5) · control (5) · aerodynamics (5) · helicopter (5)
Full specification filed date:
Application number:
None (57)
Granted:
Related to aircraft:
Patent agent:
None (80) · Victor J. Evans (5) · None (3) · Munn & Co. (2) · C. Fehlert, G. Loubier, Fr. Harmsen, A. Büttner u. E. Meißner (2)
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C2700/6295 (48) · CPC B64C39/08 (31) · None (17) · CPC B64C11/20 (6) · CPC B64C11/04 (6) · CPC B64C11/006 (5) · CPC B64C11/00 (4) · CPC B64C11/24 (3) · CPC B64C27/20 (3) · CPC B64C1/26 (3) · CPC B64C2700/6281 (3) · CPC B64C11/16 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 138 results in range #1 to #138.

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