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Patents > Office : BE or CH or MX & Supplementary to patent : Patent NO-1915-12-15 Carl Alfred Johansson or None

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Tech fields:
airplane (125) · design (75) · propellers (54) · propulsion (53) · LTA (51) · stability (48) · wings (41) · control (39) · frame (36) · aerodynamics (30) · None (25) · subsystem (25) · construction (23) · hybrid (22) · rudder (20) · lift (20) · Navigation (20) · steering (18) · propeller (16) · sustentation (15)
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Patent agent:
None (140) · A. Wunderlich & Cie, Ingénieurs-Conseils (16) · Raclot (16) · Duvinage (13) · A. Ritter (12) · E. Blum & Co. (11) · E. Imer-Schneider (7) · De Visscher et Graetz (7) · Kirkpatrick (7) · Raclot et Cie (6) · E. et G. Bede (6) · J. Gevers (6) · Wilhelm Reinhard (6) · Gernaert (4) · Ferdinand Klostermann (4)
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IPCs:
None (316) · IPC B64C11/00 (4) · IPC B64C19/00 (3) · IPC B64C29/00 (2) · IPC F24F7/02 (2) · IPC F22D11/02 (2) · IPC F16F9/348 (2) · IPC F16F9/34 (2) · IPC F16F9/32 (2) · IPC F16F9/06 (2) · IPC F16C17/10 (2) · IPC F02K1/36 (2) · IPC F02K1/28 (2) · IPC B64C9/00 (2) · IPC G05D1/08 (2) · IPC B64C23/00 (2) · IPC B22D33/00 (2)
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