William Cowell Sly
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William Cowell Sly was an aero inventor in Kent, England, with patents in 1896–7 and 1906.
In the 1906 patent he gives his occupation as "Mechanical Engineer and Draughtsman".
A 1934 article in Popular Aviation credits Sly with conceiving "the use of a secondary tractive propeller in front of each blade" in a helicopter.[1]
This person had 0 publications and 4 patents in this database.
Patents whose inventor or applicant is William Cowell Sly
- Patent GB-1896-18130 (English title: Improvements relating to Parachutes, Filing date: 1896-08-15)
- Patent FR-1896-260358 (English title: Improvements relating to parachutes, Filing date: 1896-10-12)
- Patent US-1897-582377 (English title: Parachute, Supplementary to patent: Patent GB-1896-18130, Filing date: 1896-10-24)
- Patent GB-1906-10739 (English title: Improvements in connection with Aeroplanes, for Raising Free, and Captive Flying Machines into the Air, Filing date: 1906-05-08)
References
| Names | William Cowell Sly |
|---|---|
| Countries | GB |
| Locations | Brockley, Kent |
| Occupations | engineer, mechanical engineer, draughtsman |
| Tech areas | Frame, Parachute |
| Accreditations | |
| Affiliations | |
| Family name | |
| Birth date | |
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