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Patents > National tech categories : BE K or DE 77 or IT 8 or USPC 244/80

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Office:
Applicant is inventor:
Tech fields:
Airplane (254) · LTA (194) · propulsion (114) · design (106) · stability (104) · propellers (100) · navigation (77) · frame (77) · hybrid (68) · wings (63) · control (60) · None (55) · balloon (45) · propeller (45) · aerodynamics (39) · construction (35) · marine (31) · rudder (31) · steering (28)
Full specification filed date:
Application number:
None (644)
Granted:
Supplementary to patent:
None (496) · Patent BE-1909-214032 (32) · Patent BE-1907-199348 (16) · Patent SE-1906-23283 (4) · Patent BE-1907-197626 (3) · Patent BE-1913-255172 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1902-326727 (3)
Related to aircraft:
Patent agent:
None (452) · A. Wunderlich & Cie, Ingénieurs-Conseils (56) · Raclot (22) · Duvinage (21) · J. Gevers (16) · Kirkpatrick (12) · De Visscher et Graetz (11) · Victor J. Evans (8) · E. et G. Bede (8) · Biebuyck (8) · Raclot et Cie (6) · Gernaert (5) · Verhaeghen (4) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · Parette (3) · Rest (3) · R. Wittebolle, Brussels, Belgium (3) · le Comptoir indus. et tech. (anc. maison Picard) (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (645) · IPC B64C33/02 (12) · IPC B64C17/00 (12) · IPC B64B1/00 (7) · IPC B64C31/06 (5) · IPC B64B1/58 (5) · IPC B64B1/40 (5) · IPC B64C23/00 (4) · IPC B64B1/06 (3) · IPC B64C39/00 (3) · IPC B64B1/62 (2) · IPC B64C11/00 (2) · IPC B64C30/00 (2) · IPC B64C27/04 (2) · IPC CPC B64C13/00 (2) · IPC B64C13/24 (2)
CPCs:
None (563) · CPC B64C17/00 (61) · CPC B64C33/02 (14) · CPC B64B1/00 (14) · CPC B64C23/005 (12) · CPC B64B1/40 (9) · CPC B64C13/00 (6) · CPC B64C33/00 (4) · CPC A63H27/08 (4) · CPC B64B1/58 (4) · CPC B64C2700/6273 (4) · CPC B64C30/00 (3) · CPC B64B1/30 (3) · CPC B64C13/24 (3) · CPC B64C31/06 (2) · CPC B64C27/00 (2) · CPC B64C3/385 (2) · CPC B64B1/62 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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