Inventor
GRASDEPOT FRANCOIS
FR7 patents
⚠️ This page may combine multiple inventors who share the name “GRASDEPOT FRANCOIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER IND SA
5 patentsUS6420695B1Jul 16, 2002
Method for wavelength calibration of an electromagnetic radiation filtering device
SCHLUMBERGER IND SA48 citations90
US5920391AJul 6, 1999
Tunable Fabry-Perot filter for determining gas concentration
SCHLUMBERGER IND SA46 citations89
US5506685AApr 9, 1996
Method and apparatus for determining the absorption of electromagnetic radiation by a gas
SCHLUMBERGER IND SA15 citations72
US5009107AApr 23, 1991
Optical pressure sensor and a method and apparatus for making such a sensor
SCHLUMBERGER IND SA12 citations72
US6133573AOct 17, 2000
Method and device for determining a gas volume concentration
SCHLUMBERGER IND SA4 citations55