Patent BE-1916-275652
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“Cet indicateur de montée et de descente consiste en une chambre close par une membrane élastique dont les déplacements correspondants à la pression atmosphérique, sont transmis à un index qui se meut devant un cadran gradué.”
“This indicator of ascent and descent consists of a chamber closed by an elastic membrane of which displacements corresponding to atmospheric pressure are transmitted to an index which moves before a graduated dial.”
- Inventor location: rue du Commerce, 17, Seraing, Liège, Belgium
- Source: RdBdI 1916
(Note casual use of “aéro” in the original title, as we use “aero”, designating our entire field of study.)
| Year filed | 1916 |
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| Year granted | 1916 |
| Office | BE |
| Patent number | 275652 |
| Inventors | N. Thiry |
| Inventor country | BE |
| Applicant person | N. Thiry |
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| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Indicateur de montée et de descente pour aéro |
| English title | Indicator of ascent and descent for aero |
| Tech fields | instrument |
| Filing date | April 27, 1916 |
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| Related to aircraft? | -1 |
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| National tech categories | BE K |
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| Family year | 1916 |
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