Inventor

COLEMAN DENNIS D

US9 patents

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

WEATHERFORD SWITZERLAND TRADING AND DEV GMBH

2 patents

US10215737B2Feb 26, 2019

Apparatus for and method of gas analysis

WEATHERFORD SWITZERLAND TRADING AND DEV GMBH4 citations66

US9341606B2May 17, 2016

Apparatus for and method of gas analysis

WEATHERFORD SWITZERLAND TRADING AND DEV GMBH4 citations66

COLEMAN DENNIS D

2 patents

US7223602B2May 29, 2007

Continuous tracer generation method

COLEMAN DENNIS D4 citations56

US7066972B2Jun 27, 2006

Continuous tracer generation apparatus

COLEMAN DENNIS D0 citations45

(unassigned)

1 patent

US6793699B2Sep 21, 2004

Continuous tracer generation apparatus

7 citations69

STRATUM RESERVOIR US LLC

1 patent

US11022527B2Jun 1, 2021

Apparatus and methods of collecting and sampling fluids

STRATUM RESERVOIR US LLC3 citations65

ISOTECH LABORATORIES INC

1 patent

US9983103B2May 29, 2018

Gas sampling apparatus

ISOTECH LABORATORIES INC3 citations64

WEATHERFORD TECH HOLDINGS LLC

1 patent

US10241010B2Mar 26, 2019

Apparatus and methods of collecting and sampling hydrocarbon fluids

WEATHERFORD TECH HOLDINGS LLC1 citations56

ISOTECH LAB INC

1 patent

US9146224B2Sep 29, 2015

Low dead-volume core-degassing apparatus

ISOTECH LAB INC1 citations42