Inventor

EVRARD JEAN-FRANCOIS

FR4 patents

⚠️ This page may combine multiple inventors who share the name “EVRARD JEAN-FRANCOIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEOSERVICES EQUIPEMENTS

2 patents

US7779667B2Aug 24, 2010

Device for extracting at least one gas contained in a drilling mud and associated analysis assembly

GEOSERVICES EQUIPEMENTS26 citations88

US7748266B2Jul 6, 2010

Device for analyzing at least one gas contained in a liquid, in particular a drilling fluid

GEOSERVICES EQUIPEMENTS23 citations85

GEOSERVICES

1 patent

US7032444B2Apr 25, 2006

Module for extracting gas from an underground liquid and installation equipped therewith

GEOSERVICES24 citations90

EVRARD JEAN-FRANCOIS

1 patent

US8677814B2Mar 25, 2014

Device for extracting at least one type of gas contained in a drilling mud, an analysis arrangement and a related extraction method

EVRARD JEAN-FRANCOIS10 citations76