Gas indicator
US10845265B2 · kind B2 · utility
0Cited by
12References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 13, 2018 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Nov 13, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/783
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The object of the invention is to provide means and method of monitoring target gas content in gas tight membrane enclosing a volume containing an object. The visible gas indicator comprises means for being fastened to a gas tight membrane enclosing a volume containing an object, where the gas indicator comprises a chamber having a transparent window. The chamber is in gas communication with the interior of the volume. The window is arranged outside said volume, and a substrate is arranged inside said chamber and visible from outside said volume, where said substrate changes colours when exposed to a target gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.