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Patents > CPCs : CPC B64C27/82 or CPC B64C33/02

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None (309) · Seine (8) · Paris (4) · Chicago (3) · Missouri (3) · Morbihan (3) · Rhône (3) · Lorient (3) · Brooklyn (2) · Pittsburgh (2) · London (2) · Montpellier (2) · Hérault (2) · St. Louis (2) · PA (2) · Allegheny county, Pennsylvania (2) · Oklahoma (2) · Berlin (2) · Seine-et-Oise (2) · Cleveland (2)
Applicant is inventor:
Tech fields:
flapping (117) · None (94) · ornithopter (77) · propulsion (69) · frame (62) · Wings (50) · navigation (41) · airplane (37) · propeller (32) · hybrid (25) · stability (22) · Design (22) · helicopter (21) · rudder (20) · LTA (20) · landing (15) · airfoil (15) · propellers (13) · HTA (13) · control (13)
Full specification filed date:
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Supplementary to patent:
None (290) · Patent FR-1912-446040 (4) · Patent GB-1909-12556 (3) · Patent BE-1910-12-28-Muehter (3) · Patent FR-1908-407411 (3) · Patent DE-1909-244441 (2) · Patent DE-1907-217533 (2) · Patent IT-1907-87304 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent FR-1909-420004 (2)
Related to aircraft:
Patent agent:
None (124) · None (20) · Munn & Co. (9) · Victor J. Evans (8) · C. A. Snow & Co. (7) · E. Blétry (6) · J. Germain (5) · Armengaud jeune (4) · Schwab (4) · Ad. Sturm (4) · Chassevent (3) · Rigot et Prévost (3) · A. de Carsalade (3) · C. Blétry (3) · Hippolyte Josse (3) · Marks & Clerk (3)
National tech categories:
FR 6.4 (113) · None (77) · USPC 244/22 (70) · DE 77h.10 (22) · USPC 244/72 (19) · DE 77 (14) · USPC 244/17.21 (9) · FR 6.3 (9) · USPC 244/17.19 (8) · USPC 244/64 (5) · DE 77h (4) · USPC 244/66 (4) · USPC 416/123 (3) · USPC 244/65 (3) · USPC 244/17.11 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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