Gas sampling apparatus
US9983103B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2014 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Mar 4, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2001/2238
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gas sample extraction assembly for controllably accessing gas in a gas sample container includes a coupler body having a coupler bore and a coupler end for engaging the gas sample container; an upper member having an upper member bore; a biasing member disposed between the upper member and the coupler body; and a stem having a first portion coupled to the upper member bore and a second portion disposed in the coupler bore, the stem being movable relative to the coupler body between a first axial position and a second axial position, wherein the biasing member is configured to bias the stem in the first axial position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.