Patent BE-1913-250406.252841
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This is a perfectionnement to Patent BE-1912-250406, which invention brevet was filed 1912-10-28.
« On emploie trois hélices, dont les centres forment un triangle, dont l’un des côtés est perpendiculaire à la direction de marche de l’appareil. »
“One uses three propellers, the centers of which form a triangle, one of the sides of which is perpendicular to the direction of travel of the device.”
Sources
- RdBdI
- Inventor location: Brussels
- Patent agent location: Brussels
| Year filed | 1913 |
|---|---|
| Year granted | |
| Office | BE |
| Patent number | 252841 |
| Inventors | Alfred E. Wunderlich |
| Inventor country | BE |
| Applicant person | Alfred E. Wunderlich |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Autoplaneur Aéro à hélices sustentatrices |
| English title | Autoglider “Aéra” with propellers of ascension |
| Tech fields | gliders, hybrid, helicopter, design, sustentation, propellers, ascension |
| Filing date | 1913-01-17 |
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| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent BE-1912-250406 |
| Related to aircraft? | 1 |
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| Patent agent | A. Wunderlich & Cie, Ingénieurs-Conseils |
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| National tech categories | BE K |
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| Family year | 1912 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
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