Patent BE-1909-219377
Revision as of 14:54, 16 January 2019 by AvionHerbert (talk | contribs)
"Cette machine volante se compose de deux grandes ailes circulaires ou roues se mouvant sur un même axe vertical, mais en sense contraire."
That is, "This flying machine is composed of two large circular wings, or wheels, moving on one single vertical axis, but in opposite rotational directions".
(This may have more to do with ascension than with propulsion, and this may be some sort of precursor to the helicopter. These "wings", in fact, may be a grand form of propeller.)
Inventor location: Montguyon, France Patent agent location: Brussels
| Year filed | 1909 |
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| Year granted | 1909 |
| Office | BE |
| Patent number | |
| Inventors | A. Beurrier |
| Inventor country | FR |
| Applicant person | A. Beurrier |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Ailes circulaires concentriques à mouvement contrariés |
| English title | Concentric circular wings with contrary movements |
| Tech fields | wings, propellers, hybrid, helicopter |
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| Application number | |
| Grant date | September 22, 1909 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | M. Benoît |
| Related to aircraft? | Yes |
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| National tech categories | BE K |
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| Family year | 1909 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
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