Inventor

DANIEL PIERRE J

US3 patents

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

DANIEL PIERRE J

2 patents

US8912000B2Dec 16, 2014

Downhole mass spectrometric hydrocarbon determination in presence of electron and chemical ionization

DANIEL PIERRE J13 citations80

US8939021B2Jan 27, 2015

Fluid expansion in mud gas logging

DANIEL PIERRE J7 citations76

POP JULIAN J

1 patent

US9274248B2Mar 1, 2016

Downhole mass spectrometry

POP JULIAN J0 citations49